www.apawood.org
Open in
urlscan Pro
96.31.161.24
Public Scan
Submitted URL: https://ap.performancewalls.com/
Effective URL: https://www.apawood.org/
Submission: On July 25 via api from US — Scanned from US
Effective URL: https://www.apawood.org/
Submission: On July 25 via api from US — Scanned from US
Form analysis
1 forms found in the DOMPOST https://www.apawood.org/
<form method="post" action="https://www.apawood.org/" onsubmit="javascript:return WebForm_OnSubmit();" id="aspnetForm">
<div class="aspNetHidden">
<input type="hidden" name="__EVENTTARGET" id="__EVENTTARGET" value="">
<input type="hidden" name="__EVENTARGUMENT" id="__EVENTARGUMENT" value="">
<input type="hidden" name="__VIEWSTATEFIELDCOUNT" id="__VIEWSTATEFIELDCOUNT" value="7">
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE"
value="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">
<input type="hidden" name="__VIEWSTATE1" id="__VIEWSTATE1"
value="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">
<input type="hidden" name="__VIEWSTATE2" id="__VIEWSTATE2"
value="jPe3cMaxqHZ7a0ofWMs6rp2lOXrxiL0mf0Zevpf1AYi7rKHg9kX8jl34EoTTJkEKz1+1WCZbyg+yWUsbHdJPuKyj4CH3xfbd7xcO94BlsZCyf3gGZACLHowcgtC+DTbMwbF/LngX0oR7ODgoUjqE/zlhMxfgnar2w4coafeaibygmY6IIUaTmo3d81HOMmlX0wE56BgaH/krOlMrnfajBUj0ZmkZA4cuH5PC34ibd8qLFw9npVsMk6m9Cgjq290I8RqdwlS1QzOE83+QKEiSDIZCLKsuZbPWcuvPbVj+B88E7+ODSmtVIfiGxBVdwAl0ODEb6OxsQo9eJwsQ5BomtVf4ar8BPvm7Wadj5WQ9x4jnyS+LDgpvmqbNAVOsa3IRSNiWA7loEGdkmU9bGlaeoPKNtjeCyFmZU5F2zLJw6LwiCn+3S6YQD97J06Yd8dGjRzKcwcRLzlsInq1U9Foj9Av4WpoKflKizDc1UusF5yDrW0AmZL3u">
<input type="hidden" name="__VIEWSTATE3" id="__VIEWSTATE3"
value="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">
<input type="hidden" name="__VIEWSTATE4" id="__VIEWSTATE4"
value="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">
<input type="hidden" name="__VIEWSTATE5" id="__VIEWSTATE5"
value="Lp7rHYGTG2LA17eXpuAhNZ4EXG6H8JR4+boWjKJB61DMK5cYgbd7L+u+cUL47UOdt7TjThjvBWHoX3NP/WEl9H2mKXdEbbMC4LBG5bhX1BIufbhW0O5CnH1fKAzSEhK8qhBP5nw0woZCLA2WbR3Jz12L9IO00JEm6nzZta5TMUdz26TO4znxxRX85xxA6HotNeNONXcMzeXzIUUFeSos2J35i4wsvaQPXDuPyULMPsfGMlZAKvn87fV5nMWx6eUYaazC1l25Z8wtFFHA4JgGB5px+LBDymyj/k8E/OuJ5v2qlRsBwJ6JUQJPHdtZYI3fX23x6H5Wj8ISVtkjK4eQnUbIrwF+mibnmZmGn7cxde4vhbRMx3PSaiPM/jBt8JFS25nwGq9T5Hb/u7A5MWXiOmzJLZqTN9Ju8g30CmB4qxPwfa1oUl5fNmnUYfrXLuJ0lzEfFHJjbSuklW0V76EDO388kXEuMW0LtGJTBhwd4cPfuU9UsWvj">
<input type="hidden" name="__VIEWSTATE6" id="__VIEWSTATE6"
value="ThYoMKHTCuArYGE5j2XHZXcNEJiob3HdaMku1z42k3Gikd6I2K60x0mrnkamguNyezsg75ioYKCQcudAPkt2+hPoJhRy4zsmvrDt0wexfowOEdSv+iiIwIHTnU+Z64YbnmCNZxcI5GYRVmOQwa7q/v8jBlx+Ycz8avTQB/TLKI1mb1qTOh0h64L7gcFyWee7J4fZ9k1zBlk+k8h0/7z6QCQrFk4HNF9svoXgbNndn4zVaiClTwwTihUPWbdqeg3Cv0RdD1Ko+DX833IiRTagWcYhVyy1WPuxYTGQiEZTtXy5XXFe64/SXgFkkvDNQGcMku12hMcMgDTjRuXj9R82Q5fPYUDeEMocbNZV9KHhn3g8EoUBivt8PXy3K/dsVZIsAj5Gb4/OGg0hsGQU+NPtphPTiK+dZqTN7xyp+tD/D/1jOwDBUWRUaNch">
</div>
<script type="text/javascript">
//<![CDATA[
var theForm = document.forms['aspnetForm'];
if (!theForm) {
theForm = document.aspnetForm;
}
function __doPostBack(eventTarget, eventArgument) {
if (!theForm.onsubmit || (theForm.onsubmit() != false)) {
theForm.__EVENTTARGET.value = eventTarget;
theForm.__EVENTARGUMENT.value = eventArgument;
theForm.submit();
}
}
//]]>
</script>
<script src="/ClientScript/jqmojo/jquery.nivo.slider.pack3-2.js" type="text/javascript"></script>
<script type="text/javascript" src="//s7.addthis.com/js/300/addthis_widget.js#pubid=ra-5397286b2508999d" async=""></script>
<script type="text/javascript">
var addthis_config = {
pubid: 'ra-5397286b2508999d'
}
</script>
<script
src="/ScriptResource.axd?d=NUEWSvZcKhbZUv8awjuUBrLxpdqIaQAEwgsF_CimHTfsQAdO_GZcebhfW9xWbcnK4hVr8EgLzQAdw8oMOLMMViKxbPz8glp5LtFJ7MiCubiTfBsEywVi_1LNah3u2yO7l3zUDkxavfN0mjaypCStfgORB8-G3rzEGyna-4l9SiMq41IB8p68ljHSLrCWHQ4y2QY-7XFWnJiePp8XqY9ZzfxgNjTvmrDxUv13q6ynE-1IW0WQz9vwVI6EpfwOBoPp3FRGP7cAqXy1h6DzTWbkOxBdcPC0Y7v8l3vaGoQ5v09reTfhY4avYXrSZNH8UKNagmLyDcGQqXiYEFWYgO_hI_S1hHY1"
type="text/javascript"></script>
<script src="//ajax.aspnetcdn.com/ajax/4.5/6/WebFormsBundle.js" type="text/javascript"></script>
<script src="//ajax.aspnetcdn.com/ajax/4.5/6/MsAjaxBundle.js" type="text/javascript"></script>
<script type="text/javascript">
//<![CDATA[
if (typeof(Sys) === 'undefined') throw new Error('ASP.NET Ajax client-side framework failed to load.');
//]]>
</script>
<script type="text/javascript">
//<![CDATA[
function WebForm_OnSubmit() {
if (typeof(ValidatorOnSubmit) == "function" && ValidatorOnSubmit() == false) return false;
return true;
}
//]]>
</script>
<div class="aspNetHidden">
<input type="hidden" name="__VIEWSTATEGENERATOR" id="__VIEWSTATEGENERATOR" value="CA0B0334">
<input type="hidden" name="__EVENTVALIDATION" id="__EVENTVALIDATION"
value="Fpo35RPyC0Q7w7frOWhSWHZ6E4KvvPmyhNsi9MzKEwdROiA9lcc3MRFhZ8xTNRZOYxu8Q/Ri2TbgK5vKmftka5AoAq68iiI7tGhynxlTyeJr+2lHLFWBhlUwxMFGkLidvJHw8qIKGB6X1dGI5AONfW0qLdOixwvw6uEXIFead00CBt6bCSdtDGhdsWIa2hE+fBNjgQT13Mh84++8uoe8Ip3hHMN+pTHa8F0uHvE75XuXrAKs1yTuR7py5tt5iR2IOznSXEDOYVrmgbxAIse+w/4BgdEKsmADga2JskLLjFFJko2E7onP/9Rgi6dxn3mWToE+uVrV1u19xQ0Qk5ZvOm3db08=">
</div>
<script type="text/javascript">
//<![CDATA[
Sys.WebForms.PageRequestManager._initialize('ctl00$ScriptManager1', 'aspnetForm', [], [], [], 90, 'ctl00');
//]]>
</script>
<!--[if lt IE 7]><p class=chromeframe>Your browser is <em>ancient!</em> <a href="http://browsehappy.com/">Upgrade to a different browser</a> or <a href="http://www.google.com/chromeframe/?redirect=true">install Google Chrome Frame</a> to experience this site.</p><![endif]-->
<div class="headerwrap">
<div class="container">
<header role="banner" class="mainhead">
<span class="sitetitle"><a class="siteheading" href="https://www.apawood.org">APA – The Engineered Wood Association</a></span>
<a href="#startcontent" class="skiplink">Skip over navigation</a>
<aside>
<div class="tagline">
<p>The leading resource for information <span class="nowrap">about engineered wood products</span></p>
</div>
<ul class="headernav">
<li><a href="/technical-research">Technical Research</a></li>
<li><a href="/apa-member-manufacturers">Manufacturer Directory</a></li>
<li><a href="/contact-us">Contact</a></li>
<div id="pre-searchbar"></div>
<li class="cartlink">
<script>
function UpdateCartText(itemCount) {
var lCart = document.getElementById("ctl00_p_ShoppingCart1_lCart");
var cartLink = "<a href=\"" + "/shop/cart" + "\" >cart</a>";
if (itemCount == 0) {
lCart.innerHTML = "Your " + cartLink + " is empty";
} else if (itemCount == 1) {
lCart.innerHTML = "<a href=\"" + "/shop/cart" + "\" >Cart(1)</a>"; // "You have 1 item in your " + cartLink;
} else {
lCart.innerHTML = "<a href=\"" + "/shop/cart" + "\" >Cart(" + itemCount + ")</a>"; //"You have " + itemCount + " items in your " + cartLink;
}
}
</script>
<div>
<span id="ctl00_p_ShoppingCart1_lCart"></span>
</div>
</li>
<li id="ctl00_SearchInput1_pnlS" class="topnavitem navbar-search ">
<div id="ctl00_SearchInput1_pnlSearch" class="searchpanel " onkeypress="javascript:return WebForm_FireDefaultButton(event, 'ctl00_SearchInput1_btnSearch')" style="display:inline;">
<input placeholder="enter search terms" name="ctl00$SearchInput1$txtSearch" type="text" id="txtSearch" title="Site Search" class="search-query" aria-label="Search">
<input type="submit" name="ctl00$SearchInput1$btnSearch" value="Search" id="ctl00_SearchInput1_btnSearch" class="searchbuttonheader">
</div>
</li>
</ul>
</aside>
</header>
</div>
</div>
<div class="navwrap">
<div class="container">
<!-- sitenav-->
<nav role="navigation">
<div id="siteNav">
<div class="AspNet-Menu-Horizontal" id="ctl00_SiteMenu2_ctl00">
<ul class="AspNet-Menu Hooray c_skinid_apasitemenu">
<li class="AspNet-Menu-WithChildren">
<a href="/products" class="AspNet-Menu megaMenu products">
<span>Products</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/plywood" class="AspNet-Menu">
<span>Plywood</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/osb" class="AspNet-Menu">
<span>Oriented Strand Board (OSB)</span></a>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/specialty-panels" class="AspNet-Menu unclickable">
<span>Specialty Panels</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/concrete-form-panels" class="AspNet-Menu italic">
<span>Concrete Form Panels</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/overlaid" class="AspNet-Menu italic">
<span>Overlaid (HDO/MDO)</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/siding" class="AspNet-Menu italic">
<span>Siding</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/radiant-barrier-panels" class="AspNet-Menu italic">
<span>Radiant Barrier Panels</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/industrial-end-use" class="AspNet-Menu italic">
<span>Industrial End-Use</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/glulam" class="AspNet-Menu rightmenu">
<span>Glulam</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/i-joist" class="AspNet-Menu">
<span>I-Joist</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/rim-board" class="AspNet-Menu">
<span>Rim Board</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/cross-laminated-timber" class="AspNet-Menu">
<span>Cross-Laminated Timber (CLT)</span></a>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/structural-composite-lumber" class="AspNet-Menu">
<span>Structural Composite Lumber (SCL)</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/structural-composite-lumber#laminated-veneer-lumber" class="AspNet-Menu italic">
<span>Laminated Veneer Lumber (LVL)</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/structural-composite-lumber#parallel-strand-lumber" class="AspNet-Menu italic">
<span>Parallel Strand Lumber (PSL)</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/structural-composite-lumber#laminated-strand-lumber" class="AspNet-Menu italic">
<span>Laminated Strand Lumber (LSL)</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/structural-composite-lumber#oriented-strand-lumber" class="AspNet-Menu italic">
<span>Oriented Strand Lumber (OSL)</span></a>
</li>
</ul>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/resource-library" class="AspNet-Menu megaMenu reslibmenu">
<span>Resource Library</span></a>
<ul>
<li class="AspNet-Menu-WithChildren">
<a href="/search" class="AspNet-Menu unclickable megaMenuHeading">
<span>Search</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/SearchResults.aspx?q=&tid=1" class="AspNet-Menu">
<span>All Publications</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/faq" class="AspNet-Menu">
<span>FAQ</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/common-framing-errors" class="AspNet-Menu">
<span>Common Framing Errors</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/publication-categories" class="AspNet-Menu unclickable megaMenuHeading">
<span>Publication Categories</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/SearchResults.aspx?q=&f=Builder+Tips&tid=1" class="AspNet-Menu" onclick="window.open(this.href, '_blank', ''); return false;" onkeypress="window.open(this.href, '_blank', ''); return false;">
<span>Builder Tips</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/SearchResults.aspx?q=&f=Case+Studies&tid=1" class="AspNet-Menu">
<span>Case Studies</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/SearchResults.aspx?q=&f=Design+%26+Construction&tid=1" class="AspNet-Menu">
<span>Design & Construction</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/green-verification-reports" class="AspNet-Menu">
<span>Green Verification Reports</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/SearchResults.aspx?q=&f=International&tid=1" class="AspNet-Menu">
<span>International</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/SearchResults.aspx?q=&f=Non-construction%3bMaterials+Handling%3bNon-construction&tid=1" class="AspNet-Menu">
<span>Non-Construction</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/product-reports" class="AspNet-Menu">
<span>Product Reports</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/SearchResults.aspx?q=&f=Product+Standards&tid=1" class="AspNet-Menu">
<span>Product Standards</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/SearchResults.aspx?q=&f=Products+%26+Grades&tid=1" class="AspNet-Menu">
<span>Products & Grades</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/SearchResults.aspx?q=&f=Research+Reports&tid=1" class="AspNet-Menu">
<span>Research Reports</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/SearchResults.aspx?q=&f=Technical+Notes&tid=1" class="AspNet-Menu">
<span>Technical Notes</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/SearchResults.aspx?q=&f=Technical+Topics&tid=1" class="AspNet-Menu">
<span>Technical Topics</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/system-reports" class="AspNet-Menu">
<span>System Reports</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/format" class="AspNet-Menu unclickable megaMenuHeading">
<span>Resource by Format</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/SearchResults.aspx?q=&tid=1" class="AspNet-Menu">
<span>Publications</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apacad.org" class="AspNet-Menu">
<span>CAD Details</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/photography" class="AspNet-Menu">
<span>Photography</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/video" class="AspNet-Menu">
<span>Video</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/educational-resources" class="AspNet-Menu unclickable megaMenuHeading">
<span>Educational Resources</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/basics-of-construction" class="AspNet-Menu">
<span>Basics of Construction</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/builder-tips-1" class="AspNet-Menu">
<span>Builder Tips</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.wooduniversity.org/" class="AspNet-Menu" onclick="window.open(this.href, '_blank', ''); return false;" onkeypress="window.open(this.href, '_blank', ''); return false;">
<span>Wood University</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="https://www.apawood.org/america-latina" class="AspNet-Menu">
<span>America Latina</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/webinars" class="AspNet-Menu">
<span>Webinars</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.wooduniversity.org/glossary" class="AspNet-Menu" onclick="window.open(this.href, '_blank', ''); return false;" onkeypress="window.open(this.href, '_blank', ''); return false;">
<span>Glossary of Terms</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/industry-links" class="AspNet-Menu">
<span>Industry Links</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/market-research" class="AspNet-Menu">
<span>Market Research</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/periodicals" class="AspNet-Menu megaMenuHeading">
<span>Periodicals</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/newsletters" class="AspNet-Menu">
<span>E-Newsletters</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.engineeredwood.org/engineered-wood-journal" class="AspNet-Menu" onclick="window.open(this.href, '_blank', ''); return false;" onkeypress="window.open(this.href, '_blank', ''); return false;">
<span>Engineered Wood Journal</span></a>
</li>
</ul>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/design-build" class="AspNet-Menu megaMenu">
<span>Design & Build</span></a>
<ul>
<li class="AspNet-Menu-WithChildren">
<a href="/residential-building" class="AspNet-Menu unclickable megaMenuHeading">
<span>Residential Building</span></a>
<ul>
<li class="AspNet-Menu-WithChildren">
<a href="/floors" class="AspNet-Menu">
<span>Floors</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/i-joist-fire-assemblies" class="AspNet-Menu indent italic">
<span>I-Joist Fire Assemblies</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/underlayment-subfloor" class="AspNet-Menu indent italic">
<span>Underlayment/Subfloor</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/raised-wood-floors" class="AspNet-Menu indent italic">
<span>Raised Wood Floors</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/premium-floor-assembly" class="AspNet-Menu indent italic">
<span>Premium Floor Assembly</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/high-moisture-and-wood-flooring" class="AspNet-Menu indent italic">
<span>High Moisture and Wood Flooring</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="http://www.apawood.org/walls" class="AspNet-Menu">
<span>Walls</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/fully-sheathed-walls" class="AspNet-Menu indent italic">
<span>Fully Sheathed Walls</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/advanced-framing" class="AspNet-Menu indent italic">
<span>Advanced Framing</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/wall-bracing" class="AspNet-Menu indent italic">
<span>Wall Bracing</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/calculator" class="AspNet-Menu indent italic">
<span>Wall Bracing Calculator</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/roofs" class="AspNet-Menu">
<span>Roofs</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/buildertips" class="AspNet-Menu">
<span>Mobile Builder Tips</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/commercial-building" class="AspNet-Menu unclickable megaMenuHeading">
<span>Commercial Building</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/designerscircle" class="AspNet-Menu">
<span>APA Designers Circle</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/bridges" class="AspNet-Menu">
<span>Bridges</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/churches" class="AspNet-Menu">
<span>Churches</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/hotels-resorts" class="AspNet-Menu">
<span>Hotels & Resorts</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/low-rise-construction" class="AspNet-Menu">
<span>Low-Rise Construction</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/mid-rise-construction" class="AspNet-Menu">
<span>Mid-Rise Construction</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/panelized-roofs" class="AspNet-Menu">
<span>Panelized Roofs</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/retrofits-and-remodels" class="AspNet-Menu">
<span>Retrofits and Remodels</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/schools" class="AspNet-Menu">
<span>Schools</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/shear-walls-diaphragms" class="AspNet-Menu">
<span>Shear Walls & Diaphragms</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/transportation-structures" class="AspNet-Menu">
<span>Transportation Structures</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/design-solutions" class="AspNet-Menu unclickable megaMenuHeading">
<span>Design Solutions</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/build-a-better-home" class="AspNet-Menu">
<span>Build A Better Home</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/ftao" class="AspNet-Menu">
<span>Force Transfer Around Openings</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/energy-efficiency" class="AspNet-Menu">
<span>Energy Efficiency</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/green-building" class="AspNet-Menu">
<span>Green Building</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/wind-weather-seismic" class="AspNet-Menu">
<span>Wind, Weather & Seismic</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/fire-rated-systems" class="AspNet-Menu">
<span>Fire-Rated Systems</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/noise-rated-systems-1" class="AspNet-Menu">
<span>Noise-Rated Systems</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/case-studies" class="AspNet-Menu">
<span>Case Studies</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/for-the-homeowner" class="AspNet-Menu unclickable megaMenuHeading">
<span>For The Homeowner</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/prevent-mold" class="AspNet-Menu">
<span>Moisture Mitigation</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/home-projects" class="AspNet-Menu">
<span>Home Projects</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/hurricane-shutter-designs" class="AspNet-Menu">
<span>Hurricane Shutter Designs</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/industrial-applications" class="AspNet-Menu unclickable megaMenuHeading">
<span>Industrial Applications</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="http://www.performancepanels.com/" class="AspNet-Menu">
<span>PerformancePanels.com</span></a>
</li>
</ul>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/about-us" class="AspNet-Menu megaMenu">
<span>About Us</span></a>
<ul>
<li class="AspNet-Menu-WithChildren">
<a href="/apa-information" class="AspNet-Menu megaMenuHeading">
<span>APA Information</span></a>
<ul>
<li class="AspNet-Menu-WithChildren">
<a href="/apa-overview" class="AspNet-Menu">
<span>APA Overview</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/apa-overview#vision-mission" class="AspNet-Menu indent italic">
<span>Vision & Mission</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/apa-overview#services" class="AspNet-Menu indent italic">
<span>Services</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/apas-history" class="AspNet-Menu indent italic">
<span>History</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/annual-report" class="AspNet-Menu indent italic">
<span>Annual Report</span></a>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/contact-us" class="AspNet-Menu">
<span>Contact Us</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/staff-contacts" class="AspNet-Menu indent italic">
<span>Staff Contacts</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/help" class="AspNet-Menu indent italic">
<span>APA Help Desk</span></a>
</li>
</ul>
</li>
</ul>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/jobs" class="AspNet-Menu">
<span>Jobs at APA</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/board-committees" class="AspNet-Menu">
<span>Board & Committees</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/apa-trademark" class="AspNet-Menu">
<span>APA Trademark</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/standards-accreditations" class="AspNet-Menu">
<span>Standards & Accreditations</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.apawood.org/technical-research" class="AspNet-Menu">
<span>Technical Research</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/news" class="AspNet-Menu unclickable megaMenuHeading">
<span>News</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/news-from-apa" class="AspNet-Menu">
<span>News from APA</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/newsletters" class="AspNet-Menu">
<span>Newsletters</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/apa-in-the-media" class="AspNet-Menu">
<span>APA in the Media</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/photo-library" class="AspNet-Menu">
<span>Photo Library</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/safety-health" class="AspNet-Menu unclickable megaMenuHeading">
<span>Safety & Health</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/apa-safety-health-program" class="AspNet-Menu">
<span>APA Safety & Health Program</span></a>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/awards-program" class="AspNet-Menu">
<span>Awards Program</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/award-winners" class="AspNet-Menu indent italic">
<span>Award Winners</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/innovation-in-safety" class="AspNet-Menu">
<span>Innovation in Safety</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/safety-health-links" class="AspNet-Menu">
<span>Safety & Health Links</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/directory" class="AspNet-Menu unclickable megaMenuHeading">
<span>Directory</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/manufacturer-directory" class="AspNet-Menu">
<span>Manufacturer Directory</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/industry-partners" class="AspNet-Menu megaMenuHeading">
<span>Industry Partners</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="http://www.engineeredwood.org" class="AspNet-Menu" onclick="window.open(this.href, '_blank', ''); return false;" onkeypress="window.open(this.href, '_blank', ''); return false;">
<span>Engineered Wood Technology Association (EWTA)</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="http://www.fpl.fs.fed.us/" class="AspNet-Menu" onclick="window.open(this.href, '_blank', ''); return false;" onkeypress="window.open(this.href, '_blank', ''); return false;">
<span>U.S. Forest Service Forest Products Lab</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/industry-links" class="AspNet-Menu">
<span>Industry Links</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/international-services" class="AspNet-Menu unclickable megaMenuHeading">
<span>International Services</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="https://www.apawood.org/international-services" class="AspNet-Menu">
<span>International Services Overview</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/international-websites-resources" class="AspNet-Menu">
<span>Websites & Resources</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/international-publications" class="AspNet-Menu">
<span>Publications</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/america-latina" class="AspNet-Menu">
<span>America Latina</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/member-login" class="AspNet-Menu megaMenuHeading">
<span>Member Login</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/secure/login.aspx" class="AspNet-Menu">
<span>Sign in</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/secure/register.aspx" class="AspNet-Menu">
<span>Register</span></a>
</li>
</ul>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/featured-sites" class="AspNet-Menu unclickable megaMenu featured">
<span>Featured Sites</span></a>
<ul>
<li class="AspNet-Menu-WithChildren">
<a href="https://www.apawood.org/construction-drawings" class="AspNet-Menu megaMenuHeading" onclick="window.open(this.href, '_blank', ''); return false;" onkeypress="window.open(this.href, '_blank', ''); return false;">
<span>Free CAD Details</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="https://www.apawood.org/construction-drawings" class="AspNet-Menu menucad" onclick="window.open(this.href, '_blank', ''); return false;" onkeypress="window.open(this.href, '_blank', ''); return false;">
<span>CAD Logo</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="http://www.performancepanels.com" class="AspNet-Menu megaMenuHeading" onclick="window.open(this.href, '_blank', ''); return false;" onkeypress="window.open(this.href, '_blank', ''); return false;">
<span>Panels For All Applications</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="http://www.performancepanels.com" class="AspNet-Menu menupp" onclick="window.open(this.href, '_blank', ''); return false;" onkeypress="window.open(this.href, '_blank', ''); return false;">
<span>Performance panel logo</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="http://www.wooduniversity.org" class="AspNet-Menu megaMenuHeading" onclick="window.open(this.href, '_blank', ''); return false;" onkeypress="window.open(this.href, '_blank', ''); return false;">
<span>Continuing Education</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="http://www.wooduniversity.org" class="AspNet-Menu menuwu" onclick="window.open(this.href, '_blank', ''); return false;" onkeypress="window.open(this.href, '_blank', ''); return false;">
<span>Wood University Logo</span></a>
</li>
</ul>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/buildabetterhome" class="AspNet-Menu megaMenu subsite">
<span>Build A Better Home</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/buildabetterhome-foundations" class="AspNet-Menu">
<span>Foundations</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/buildabetterhome-walls" class="AspNet-Menu">
<span>Walls</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/buildabetterhome-roofs" class="AspNet-Menu">
<span>Roofs</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/buildabetterhome-mold-control" class="AspNet-Menu">
<span>Controlling Mold and Mildew</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/buildabetterhome-resources" class="AspNet-Menu">
<span>Links & Resources</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/glulam" class="AspNet-Menu megaMenu subsite">
<span>Glulam</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/commercial-building-design" class="AspNet-Menu">
<span>Commercial Building Design</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/residential-construction" class="AspNet-Menu">
<span>Residential Construction</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/stock-glulam-resources" class="AspNet-Menu">
<span>Stock Glulam Resources</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/design-properties" class="AspNet-Menu">
<span>Design Properties</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/sourcing-glulam-products" class="AspNet-Menu">
<span>Sourcing Glulam Products</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/technical-research" class="AspNet-Menu megaMenu subsite">
<span>Technical Research</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/about-testing-research-at-apa" class="AspNet-Menu">
<span>About Testing & Research at APA</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/current-apa-research" class="AspNet-Menu">
<span>Current APA Research</span></a>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/usda-forest-service-forest-products-laboratory" class="AspNet-Menu">
<span>USDA Forest Service Forest Products Laboratory</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/research-in-progress" class="AspNet-Menu">
<span>Research in Progress</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/fpl-newsline" class="AspNet-Menu">
<span>FPL Newsline</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/technical-papers" class="AspNet-Menu">
<span>Technical Papers</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/walls" class="AspNet-Menu megaMenu subsite">
<span>Walls</span></a>
<ul>
<li class="AspNet-Menu-WithChildren">
<a href="/advanced-framing" class="AspNet-Menu unclickable">
<span>Advanced Framing</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/advantages-of-advanced-framing" class="AspNet-Menu">
<span>Advantages of Advanced Framing</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/components-of-advanced-framing" class="AspNet-Menu">
<span>Components of Advanced Framing</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/walls-cad-details" class="AspNet-Menu">
<span>CAD Details</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-WithChildren">
<a href="/wall-bracing" class="AspNet-Menu">
<span>Wall Bracing</span></a>
<ul>
<li class="AspNet-Menu-Leaf">
<a href="/detailed-bracing-information" class="AspNet-Menu">
<span>Detailed Bracing Information</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/apa-simplified-wall-bracing-method" class="AspNet-Menu">
<span>APA Simplified Wall Bracing Method</span></a>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/calculator" class="AspNet-Menu indent italic">
<span>Wall Bracing Calculator</span></a>
</li>
</ul>
</li>
<li class="AspNet-Menu-Leaf">
<a href="/wind-earthquake-weather-resistance" class="AspNet-Menu megaMenu subsite">
<span>Wind, Earthquake, & Weather Resistance</span></a>
</li>
</ul>
</li>
</ul>
</div>
<li class="topnavitem"><a class="loginlink unclickable" rel="nofollow" href="/Secure/Login.aspx?returnurl=%2f">Sign In</a></li>
</div>
</nav>
<!-- end sitenav-->
</div>
</div>
<!-- c_LoginHover-->
<style>
#pnlLogin {
visibility: collapse;
z-index: 200;
}
</style>
<div id="pnlLogin" class="hoverouterwrap">
<div class="hoverfields">
<div class="hoverfieldsinner">
<!--c_LoginControl-->
<div id="ctlwrapper">
<div id="ctl00_c_LoginHover_login1_LoginCtrl_pnlLContainer" onkeypress="javascript:return WebForm_FireDefaultButton(event, 'Login')">
<div class="settingrow idrow">
<input name="ctl00$c_LoginHover$login1$LoginCtrl$UserName" type="text" maxlength="100" id="UserName" class="normaltextbox signinbox" placeholder="Email">
</div>
<div class="settingrow passwordrow">
<input name="ctl00$c_LoginHover$login1$LoginCtrl$Password" type="password" id="Password" class="normaltextbox passwordbox" placeholder="Password">
</div>
<div class="settingrow rememberrow">
</div>
<div class="settingrow buttonrow">
<input type="submit" name="ctl00$c_LoginHover$login1$LoginCtrl$Login" value="Sign In"
onclick="CheckEmailError();WebForm_DoPostBackWithOptions(new WebForm_PostBackOptions("ctl00$c_LoginHover$login1$LoginCtrl$Login", "", true, "loginhover", "", false, false))" id="Login"
class="btn">
<br>
</div>
<div class="settingrow registerrow">
<a id="ctl00_c_LoginHover_login1_LoginCtrl_lnkPasswordRecovery" class="lnkpasswordrecovery" href="https://www.apawood.org/Secure/RecoverPassword.aspx">Recover Password</a>
<a id="ctl00_c_LoginHover_login1_LoginCtrl_lnkRegisterExtraLink" class="lnkregister" href="https://www.apawood.org/Secure/Register.aspx">Register</a>
<span data-val-controltovalidate="UserName" data-val-errormessage="Email is Required" data-val-display="Dynamic" data-val-validationgroup="loginhover" id="rfvEmail" class="txterror" data-val="true"
data-val-evaluationfunction="RequiredFieldValidatorEvaluateIsValid" data-val-initialvalue="" style="display:none;">Email is Required</span>
<span data-val-controltovalidate="Password" data-val-errormessage="Password is Required" data-val-display="Dynamic" data-val-enabled="False" id="rfvPassword" class="txterror" data-val="true"
data-val-evaluationfunction="RequiredFieldValidatorEvaluateIsValid" data-val-initialvalue="" style="display:none;">Password is Required</span>
</div>
<div id="hidecontrols" style="visibility:collapse; display:none;">
<strong>
<label for="UserName">Email</label>
</strong>
<br>
<strong>
<label for="Password">Password</label>
</strong>
<br>
</div>
</div>
<!--here-->
<div id="preError"></div>
<span data-val-controltovalidate="UserName" data-val-errormessage="Sign In Failed. You did not provide a valid email address." data-val-display="Dynamic" data-val-validationgroup="loginhover" id="c_EmailError" class="txterror"
data-val="true" data-val-evaluationfunction="RegularExpressionValidatorEvaluateIsValid" data-val-validationexpression="^([0-9a-zA-Z](['-.\w]*[_0-9a-zA-Z])*@(([0-9a-zA-Z])+([-\w']*[0-9a-zA-Z])*\.)+[a-zA-Z]{2,15})$"
style="display:none;">Sign In Failed. You did not provide a valid email address.</span>
<!--end2-->
</div>
<div id="loginclose" class="loginclose"></div>
</div>
</div>
</div>
<div class="container contentbox">
<aside id="ctl00_divAlt1" class="altcontent1 cmszone">
<div id="ctl00_altContent1_ctl00_pnlOuterWrap" class="homeslider">
<article id="ctl00_altContent1_ctl00_pnlInnerWrap" class="panelwrapper htmlmodule">
<a id="module1510" class="moduleanchor"></a>
<div id="ctl00_altContent1_ctl00_divContent" class="">
<div class="slider-wrapper theme-default">
<div class="slider-wrapper theme-default">
<div class="nivoSlider" id="slider">
<a href="https://www.apawood.org/award-winners?utm_source=nivoslide&utm_medium=home&utm_campaign=safety-awards&utm_content=June-2024" onclick="window.open(this.href,'_self');return false; " target="_blank" class="nivo-imageLink" style="display: block;"><img alt="2023 Safety & Health Award Winners" src="/Data/Sites/1/media/images/nivoslides/home-page/APA-HPS-2023-SHAC-Award-Winners.jpg" style="display: none;"></a><a href="https://www.apawood.org/publication-search?q=X400&utm_source=nivoslide&utm_medium=home&utm_campaign=X400&utm_content=June-2024" onclick="window.open(this.href,'_self');return false; " target="_blank" class="nivo-imageLink" style="display: none;"><img alt="APA - The Mark of Quality Publication" src="/Data/Sites/1/media/images/nivoslides/home-page/APA-HPS-X400-APA-Mark-Of-Quality.jpg" style="display: none;"></a><a href="https://www.apawood.org/publication-search?q=L350&tid=1&utm_source=nivoslide&utm_medium=home&utm_campaign=L350&utm_content=June-2024" onclick="window.open(this.href,'_self');return false; " target="_blank" class="nivo-imageLink" style="display: none;"><img alt="Diaphragms and Shear Wall Design & Construction Guide" src="/Data/Sites/1/media/images/nivoslides/home-page/APA-HPS-L350-Diaphragms-And-Shear-Wall-Design-Construction-Guide.jpg" style="display: none;"></a><a href="https://www.apawood.org/designing-engineered-wood-diaphragm-systems?utm_source=nivoslide&utm_medium=home&utm_campaign=diaphragm-webi&utm_content=June-2024" onclick="window.open(this.href,'_self');return false; " class="nivo-imageLink" style="display: none;"><img alt="Designing for Engineered Wood Diaphragm Systems Webinar" src="/Data/Sites/1/media/images/nivoslides/home-page/APA-HPS-Webinar-Designing-For-Engineered-Wood-Diaphragm-Systems.jpg" style="display: none;"></a><a href="https://www.apawood.org/ftao?utm_source=nivoslide&utm_medium=home&utm_campaign=ftao&utm_content=march-2024" onclick="window.open(this.href,'_self');return false; " target="_blank" class="nivo-imageLink" style="display: none;"><img alt="Force Transfer Around Openings" src="/Data/Sites/1/media/images/nivoslides/home-page/Design-Force-Transfer-Around-Openings-FTAO.jpg" style="display: none;"></a><img
class="nivo-main-image" src="/Data/Sites/1/media/images/nivoslides/home-page/APA-HPS-2023-SHAC-Award-Winners.jpg" style="display: inline;">
<div class="nivo-caption"></div>
<div class="nivo-directionNav"><a class="nivo-prevNav">Prev</a><a class="nivo-nextNav">Next</a></div>
</div>
<div class="nivo-controlNav"><a class="nivo-control active" rel="0">1</a><a class="nivo-control" rel="1">2</a><a class="nivo-control" rel="2">3</a><a class="nivo-control" rel="3">4</a><a class="nivo-control" rel="4">5</a></div>
</div>
<!-- end of main slider wrapper -->
</div>
</div>
<input type="hidden" name="ctl00$altContent1$ctl00$hdnIsDirty" id="ctl00_altContent1_ctl00_hdnIsDirty">
</article>
</div>
<div id="ctl00_altContent1_ctl01_pnlOuterWrap" class="">
<article id="ctl00_altContent1_ctl01_pnlInnerWrap" class="panelwrapper htmlmodule">
<a id="module1512" class="moduleanchor"></a>
<div id="ctl00_altContent1_ctl01_divContent" class="">
<script>
if (window.location.hostname == "www.glulambeams.org") {
window.location.href = 'http://www.apawood.org/glulam';
}
</script>
</div>
<input type="hidden" name="ctl00$altContent1$ctl01$hdnIsDirty" id="ctl00_altContent1_ctl01_hdnIsDirty">
</article>
</div>
</aside>
<div role="main" class="wrapcenter row">
<div id="ctl00_divCenter" class="span12">
<div class="addthis_sharing_toolbox" data-url="" data-title=""></div>
<div id="ctl00_mainContent_ctl00_pnlOuterWrap" class="homefeature span3 buttonfeature">
<article id="ctl00_mainContent_ctl00_pnlInnerWrap" class="panelwrapper htmlmodule">
<a id="module1427" class="moduleanchor"></a>
<div id="ctl00_mainContent_ctl00_divContent" class="">
<h3>Recent Publications</h3>
<p>
<strong>7.16.24 </strong><a href="https://www.apawood.org/publication-search?q=D481&tid=1" style="text-decoration: underline;" title="Technical Note: Minimizing Buckling of Wood Structural Panels">Technical Note: Minimizing Buckling of Wood Structural Panels </a>
</p>
<p><strong>5.16.24 </strong><a href="https://www.apawood.org/publication-search?q=L350&tid=1">Diaphragms and Shear Walls Design and Construction Guide </a></p>
<p><strong>5.9.24 </strong><a href="https://www.apawood.org/publication-search?q=X400
" style="text-decoration: underline;" title="APA – The Mark of Quality for Wood Structural Panels">APA – The Mark of Quality for Wood Structural Panels</a></p>
<p>
<strong>4.16.24 </strong><a href="https://shop.apawood.org/product/structural-panel-engineered-wood-yearbook" style="text-decoration: underline;" title="2024 Structural Panel & Engineered Wood Yearbook">2024 Structural Panel & Engineered Wood Yearbook</a>
</p>
<a class="sublink" href="/subscribe/"><div class="toptext">REGISTER NOW</div><div class="bottomtext">to download publications</div></a>
</div>
<input type="hidden" name="ctl00$mainContent$ctl00$hdnIsDirty" id="ctl00_mainContent_ctl00_hdnIsDirty">
</article>
</div>
<div id="ctl00_mainContent_ctl01_pnlOuterWrap" class="homefeature span3 buttonfeature">
<article id="ctl00_mainContent_ctl01_pnlInnerWrap" class="panelwrapper htmlmodule">
<a id="module5" class="moduleanchor"></a>
<div id="ctl00_mainContent_ctl01_divContent" class="">
<h3>APA NEWS</h3>
<p><strong>06.18.24 </strong><a href="https://www.apawood.org/apa-members-win-safety-and-health-awards">APA Members Win Safety and Health Awards</a></p>
<p><strong>04.18.24 </strong><a href="https://www.apawood.org/2024-apa-structural-panel-engineered-wood-yearbook-now-available">2024 APA Structural Panel & Engineered Wood Yearbook Now Available</a></p>
<p><strong>02.27.24 </strong><a href="https://www.apawood.org/chris-seymour-joins-apa-board-of-trustees">Chris Seymour Joins APA Board of Trustees</a></p>
</div>
<input type="hidden" name="ctl00$mainContent$ctl01$hdnIsDirty" id="ctl00_mainContent_ctl01_hdnIsDirty">
</article>
</div>
<div id="ctl00_mainContent_ctl02_pnlOuterWrap" class="homefeature span3">
<article id="ctl00_mainContent_ctl02_pnlInnerWrap" class="panelwrapper htmlmodule">
<a id="module6" class="moduleanchor"></a>
<div id="ctl00_mainContent_ctl02_divContent" class="">
<h3>EDUCATION & EVENTS</h3>
<p><a href="/2018-irc-wall-bracing-webinars">Wall Bracing Webinar Series</a><br> Satisfying the wall bracing requirements of the 2018 IRC.</p>
<p><a href="/webinars">APA Webinars</a><br> Upcoming and recorded webinars, including opportunities to earn CEUs.</p>
<p><a href="/back-to-basics">"Back to Basics" Engineered Wood Products Training</a><br> On-demand training on specifying, handling, storing, and applications of EWPs.</p>
</div>
<input type="hidden" name="ctl00$mainContent$ctl02$hdnIsDirty" id="ctl00_mainContent_ctl02_hdnIsDirty">
</article>
</div>
<div id="ctl00_mainContent_ctl03_pnlOuterWrap" class="homefeature span3">
<article id="ctl00_mainContent_ctl03_pnlInnerWrap" class="panelwrapper htmlmodule">
<a id="module214" class="moduleanchor"></a>
<div id="ctl00_mainContent_ctl03_divContent" class="">
<h3>Codes & Standards<a class="action-link" href="/standards-accreditations">See All > </a></h3>
<p><a href="/standards-accreditations">ANSI Standard Development</a><br> APA is accredited by the American National Standards Institute (ANSI) to develop national consensus standards for engineered wood products.</p>
<p><a href="product-reports">APA Product Reports<sup>®</sup></a></p>
<p><a href="system-reports">APA System Reports</a></p>
<p><a href="green-verification-reports">Green Verification Reports</a></p>
</div>
<input type="hidden" name="ctl00$mainContent$ctl03$hdnIsDirty" id="ctl00_mainContent_ctl03_hdnIsDirty">
</article>
</div>
</div>
</div>
<aside id="ctl00_divAltContent2" class="altcontent2 cmszone">
<div id="ctl00_altContent2_ctl00_pnlOuterWrap" class="homefooter">
<article id="ctl00_altContent2_ctl00_pnlInnerWrap" class="panelwrapper htmlmodule">
<a id="module232" class="moduleanchor"></a>
<div id="ctl00_altContent2_ctl00_divContent" class="">
<div class="homefeature span3">
<h3>APA HELP DESK</h3>
<p>The APA Product Support Help Desk can answer your questions about engineered wood products, systems and applications.</p>
<p><a class="action-link" href="/help">CONTACT HELP DESK ></a></p>
<h3>APA REGIONAL REPRESENTATIVES</h3>
<p>Get help from your local APA Engineered Wood Specialist, offering free consultations for construction professionals.</p>
<p><a class="action-link" href="/field-services">GET HELP ></a></p>
</div>
<div class="homefeature span3 span6">
<h3>FEATURED SITES</h3>
<p><a href="http://www.performancepanels.com" title="Performance Panels">Performance Panels</a> <a class="action-link" href="http://www.performancepanels.com" title="Performance Panels">GO ></a><br> Non-construction applications of
engineered wood panels, with detailed product information and manufacturer directory.</p>
<p><a href="http://www.wooduniversity.org" title="Wood University">Wood University</a> <a class="action-link" href="http://www.wooduniversity.org" title="Wood University">GO ></a><br> Wood University courses are constructed to
give you the knowledge you need to better specify, utilize, or sell engineered wood products.</p>
<h3>FEATURED RESOURCE</h3>
<p><a href="https://www.apawood.org/construction-drawings" title="APA CAD Details">Free CAD Details</a><a class="action-link" href="https://www.apawood.org/construction-drawings" title="Free CAD Details">GO ></a><br> Nearly 200 free
CAD details for wood-frame construction. Available for download as DWG, RVT or PDF files.</p>
</div>
<div class="homefeature span3 researchfeature">
<h3>Technical Research & SPECIAL PROJECTS <a class="action-link" href="/technical-research" title="Technical Research">SEE ALL ></a></h3>
<p>Evaluation of Fire-Retardant Treated Structural Glued Laminated
Timber<a class="action-link" href="/data/sites/1/documents/technicalresearch/final-report-frt-glulam-r1.pdf" target="_blank" title="Evaluation of Fire-Retardant Treated Structural Glued Laminated Timber"> GO ></a></p>
<p>Field Moisture Performance of Wood-Framed Walls with Exterior Insulation in a Cold
Climate<a class="action-link" href="/data/sites/1/documents/technicalresearch/fpl-rp-698.pdf" target="_blank" title="Field Moisture Performance of Wood-Framed Walls with Exterior Insulation in a Cold Climate"> GO ></a></p>
<p>Hygrothermal Modeling of Wall Drying after Water
Injection<a class="action-link" href="/data/sites/1/documents/technicalresearch/hygrothermal-modeling-of-wall-drying-after-water-injection.pdf" target="_blank" title="Hygrothermal Modeling of Wall Drying after Water Injection"> GO ></a>
</p>
<h3>ABOUT APA | À PROPOS DE L’APA</h3>
<ul>
<li>View the <a href="/Data/Sites/1/documents/about-apa/apa-fact-sheet.pdf" target="_blank" title="APA Fact Sheet">APA Fact Sheet</a> | Consultez la
<a href="/Data/Sites/1/documents/about-apa/fiche-de-renseignements-d-apa.pdf" target="_blank" title="fiche de renseignements d'APA">fiche de renseignements d'APA</a></li>
</ul>
</div>
</div>
<input type="hidden" name="ctl00$altContent2$ctl00$hdnIsDirty" id="ctl00_altContent2_ctl00_hdnIsDirty">
</article>
</div>
</aside>
<div class="row">
<footer class="span12">
<aside class="span6 footerleft">
<a href="http://www.apawood.org">APA</a>
<a href="/product-support">Product Support</a>
<a href="/contact-us">Contact Us</a>
<a href="/terms-of-use">Terms Of Use</a>
<a class="sitemaplink" href="/SiteMap.aspx">Site Map</a>
</aside>
<div class="span6 footerright">
<span class="social">
<a href="https://www.facebook.com/APAEngineeredWood" target="_blank" class="facebook" title="APA on Facebook">Facebook</a>
<a href="https://twitter.com/APAwood" target="_blank" class="twitter" title="APA on Twitter">Twitter</a>
<a href="https://www.linkedin.com/company/apa---the-engineered-wood-association/" target_blank"="" class="linkedin" title="APAwood on LinkedIn">LinkedIn</a>
<a href="https://www.youtube.com/channel/UCWTANfghnStQCubPxXAFdkQ" target="_blank" class="youtube" title="APA on YouTube">YouTube</a>
</span>
<div class="forcebreak"></div>
<span> © 2018 - 2024 APA – The Engineered Wood Association. All Rights Reserved.</span>
</div>
</footer>
</div>
<!--c_APASurveyPopCode-->
<style>
div.apa-survey-pop-out {
display: none;
position: fixed;
height: 100%;
width: 3000px;
z-index: 999;
background: rgba(0, 0, 0, .5);
top: 0;
margin-left: -500px;
padding: 0;
}
div.apa-survey-inner {
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
max-width: 95%;
z-index: 999;
position: fixed;
background: #ffffff;
text-align: center;
box-shadow: 5px 5px 10px rgba(0, 0, 0, .5);
}
div.apa-survey-inner .message {
padding: 30px;
}
div.apa-survey-pop-out .closebutton {
background: url('/apacalc/images/close.png ');
width: 24px;
height: 27px;
display: block;
float: right;
margin-right: -12px;
margin-top: -12px;
}
div.apa-survey-pop-out .closebutton:hover {
cursor: pointer;
}
div.apa-survey-pop-out .surveybutton {
color: #FFF;
text-decoration: none;
background: #991b1f;
font-weight: bold;
text-transform: uppercase;
font-size: 15px;
padding: 5px 10px;
}
div.apa-survey-pop-out p {
font-size: 14px;
}
div.apa-survey-pop-out h3 {
color: #F68F45;
font-size: 20px;
}
div.apa-survey-pop-out .small,
div.apa-survey-pop-out .small a {
font-size: 11px;
color: #000;
}
div.apa-survey-pop-out .closelink {
text-decoration: none !important;
}
div.apa-survey-pop-out .closelink:hover {
text-decoration: underline !important;
cursor: pointer;
}
</style>
<div class="apa-survey-pop-out">
<div class="apa-survey-inner">
<div class="close closebutton"> </div>
<div class="message">
</div>
</div>
</div>
<script type="text/javascript">
function HideMenuToolbar() {
$("#toolbar").fadeOut();
$("#toolbarbut").fadeIn("slow");
}
function ShowMenuToolbar() {
$("#toolbar").fadeIn();
$("#toolbarbut").fadeOut("slow");
}
$(document).ready(function() {
$("span.downarr a").click(function() {
HideMenuToolbar();
Set_Cookie('openstate', 'closed')
});
$("span.showbar a").click(function() {
ShowMenuToolbar();
Set_Cookie('openstate', 'open')
});
$("span.downarr a, span.showbar a").click(function() {
return false;
});
var openState = Get_Cookie('openstate');
if (openState != null) {
if (openState == 'closed') {
HideMenuToolbar();
}
if (openState == 'open') {
ShowMenuToolbar();
}
}
});
</script>
<!--
<script type='text/javascript' src='/ClientScript/jqmojo/mojosuperfish.js'></script>
<script type="text/javascript">
$(document).ready(function(){
$("ul.sf-menu").supersubs({minWidth:12,maxWidth:27,extraWidth:1}).superfish(
{ pathClass: 'current', pathLevels: 0, speed: 'fast' });
});
</script>
-->
</div>
<script type="text/javascript">
Sys.Application.add_load(function() {
var form = Sys.WebForms.PageRequestManager.getInstance()._form;
form._initialAction = form.action = window.location.href;
});
</script>
<script type="text/javascript">
//<![CDATA[
var callBackFrameUrl = '/WebResource.axd?d=beToSAE3vdsL1QUQUxjWde5Mecx8xvKNI_zWoSXAiNRAvQvLElFsws4ltsPLRnYfofVMpQ2&t=637811441229275428';
WebForm_InitCallback(); //]]>
</script>
<script type="text/javascript">
$('div.mojo-accordion').accordion({});
$('div.mojo-accordion-nh').accordion({
heightStyle: 'content',
animate: {
opacity: 'toggle',
duration: '400'
}
});
$('div.mojo-tabs').tabs({});
$('input.jqbutton').button();
$('.jqtt').tooltip();
$('a.cblink').colorbox({
width: '85%',
height: '85%',
iframe: true
});
$('.faqs dd').hide();
$('.faqs dt').hover(function() {
$(this).addClass('hover')
}, function() {
$(this).removeClass('hover')
}).click(function() {
$(this).next().slideToggle('normal');
});
$("a.unclickable").click(function() {
return false;
});
</script>
</form>
Text Content
MENU * Products ► * Plywood * Oriented Strand Board (OSB) * Specialty Panels ► * Concrete Form Panels * Overlaid (HDO/MDO) * Siding * Radiant Barrier Panels * Industrial End-Use * Glulam * I-Joist * Rim Board * Cross-Laminated Timber (CLT) * Structural Composite Lumber (SCL) ► * Laminated Veneer Lumber (LVL) * Parallel Strand Lumber (PSL) * Laminated Strand Lumber (LSL) * Oriented Strand Lumber (OSL) * Resource Library ► * Search ► * All Publications * FAQ * Common Framing Errors * Publication Categories ► * Builder Tips * Case Studies * Design & Construction * Green Verification Reports * International * Non-Construction * Product Reports * Product Standards * Products & Grades * Research Reports * Technical Notes * Technical Topics * System Reports * Resource by Format ► * Publications * CAD Details * Photography * Video * Educational Resources ► * Basics of Construction * Builder Tips * Wood University * America Latina * Webinars * Glossary of Terms * Industry Links * Market Research * Periodicals ► * E-Newsletters * Engineered Wood Journal * Design & Build ► * Residential Building ► * Floors ► * I-Joist Fire Assemblies * Underlayment/Subfloor * Raised Wood Floors * Premium Floor Assembly * High Moisture and Wood Flooring * Walls ► * Fully Sheathed Walls * Advanced Framing * Wall Bracing * Wall Bracing Calculator * Roofs * Mobile Builder Tips * Commercial Building ► * APA Designers Circle * Bridges * Churches * Hotels & Resorts * Low-Rise Construction * Mid-Rise Construction * Panelized Roofs * Retrofits and Remodels * Schools * Shear Walls & Diaphragms * Transportation Structures * Design Solutions ► * Build A Better Home * Force Transfer Around Openings * Energy Efficiency * Green Building * Wind, Weather & Seismic * Fire-Rated Systems * Noise-Rated Systems * Case Studies * For The Homeowner ► * Moisture Mitigation * Home Projects * Hurricane Shutter Designs * Industrial Applications ► * PerformancePanels.com * About Us ► * APA Information ► * APA Overview ► * Vision & Mission * Services * History * Annual Report * Contact Us ► * Staff Contacts * APA Help Desk * Jobs at APA * Board & Committees * APA Trademark * Standards & Accreditations * Technical Research * News ► * News from APA * Newsletters * APA in the Media * Photo Library * Safety & Health ► * APA Safety & Health Program * Awards Program ► * Award Winners * Innovation in Safety * Safety & Health Links * Directory ► * Manufacturer Directory * Industry Partners ► * Engineered Wood Technology Association (EWTA) * U.S. Forest Service Forest Products Lab * Industry Links * International Services ► * International Services Overview * Websites & Resources * Publications * America Latina * Member Login ► * Sign in * Register * Featured Sites ► * Free CAD Details ► * CAD Logo * Panels For All Applications ► * Performance panel logo * Continuing Education ► * Wood University Logo * Build A Better Home ► * Foundations * Walls * Roofs * Controlling Mold and Mildew * Links & Resources * Glulam ► * Commercial Building Design * Residential Construction * Stock Glulam Resources * Design Properties * Sourcing Glulam Products * Technical Research ► * About Testing & Research at APA * Current APA Research * USDA Forest Service Forest Products Laboratory ► * Research in Progress * FPL Newsline * Technical Papers * Walls ► * Advanced Framing ► * Advantages of Advanced Framing * Components of Advanced Framing * CAD Details * Wall Bracing ► * Detailed Bracing Information * APA Simplified Wall Bracing Method * Wall Bracing Calculator * Wind, Earthquake, & Weather Resistance APA – The Engineered Wood Association Skip over navigation The leading resource for information about engineered wood products * Technical Research * Manufacturer Directory * Contact * * * Products * Plywood * Oriented Strand Board (OSB) * Specialty Panels * Concrete Form Panels * Overlaid (HDO/MDO) * Siding * Radiant Barrier Panels * Industrial End-Use * Glulam * I-Joist * Rim Board * Cross-Laminated Timber (CLT) * Structural Composite Lumber (SCL) * Laminated Veneer Lumber (LVL) * Parallel Strand Lumber (PSL) * Laminated Strand Lumber (LSL) * Oriented Strand Lumber (OSL) * Resource Library * Search * All Publications * FAQ * Common Framing Errors * Publication Categories * Builder Tips * Case Studies * Design & Construction * Green Verification Reports * International * Non-Construction * Product Reports * Product Standards * Products & Grades * Research Reports * Technical Notes * Technical Topics * System Reports * Resource by Format * Publications * CAD Details * Photography * Video * Educational Resources * Basics of Construction * Builder Tips * Wood University * America Latina * Webinars * Glossary of Terms * Industry Links * Market Research * Periodicals * E-Newsletters * Engineered Wood Journal * Design & Build * Residential Building * Floors * I-Joist Fire Assemblies * Underlayment/Subfloor * Raised Wood Floors * Premium Floor Assembly * High Moisture and Wood Flooring * Walls * Fully Sheathed Walls * Advanced Framing * Wall Bracing * Wall Bracing Calculator * Roofs * Mobile Builder Tips * Commercial Building * APA Designers Circle * Bridges * Churches * Hotels & Resorts * Low-Rise Construction * Mid-Rise Construction * Panelized Roofs * Retrofits and Remodels * Schools * Shear Walls & Diaphragms * Transportation Structures * Design Solutions * Build A Better Home * Force Transfer Around Openings * Energy Efficiency * Green Building * Wind, Weather & Seismic * Fire-Rated Systems * Noise-Rated Systems * Case Studies * For The Homeowner * Moisture Mitigation * Home Projects * Hurricane Shutter Designs * Industrial Applications * PerformancePanels.com * About Us * APA Information * APA Overview * Vision & Mission * Services * History * Annual Report * Contact Us * Staff Contacts * APA Help Desk * Jobs at APA * Board & Committees * APA Trademark * Standards & Accreditations * Technical Research * News * News from APA * Newsletters * APA in the Media * Photo Library * Safety & Health * APA Safety & Health Program * Awards Program * Award Winners * Innovation in Safety * Safety & Health Links * Directory * Manufacturer Directory * Industry Partners * Engineered Wood Technology Association (EWTA) * U.S. Forest Service Forest Products Lab * Industry Links * International Services * International Services Overview * Websites & Resources * Publications * America Latina * Member Login * Sign in * Register * Featured Sites * Free CAD Details * CAD Logo * Panels For All Applications * Performance panel logo * Continuing Education * Wood University Logo * Build A Better Home * Foundations * Walls * Roofs * Controlling Mold and Mildew * Links & Resources * Glulam * Commercial Building Design * Residential Construction * Stock Glulam Resources * Design Properties * Sourcing Glulam Products * Technical Research * About Testing & Research at APA * Current APA Research * USDA Forest Service Forest Products Laboratory * Research in Progress * FPL Newsline * Technical Papers * Walls * Advanced Framing * Advantages of Advanced Framing * Components of Advanced Framing * CAD Details * Wall Bracing * Detailed Bracing Information * APA Simplified Wall Bracing Method * Wall Bracing Calculator * Wind, Earthquake, & Weather Resistance Sign In Recover Password Register Email is Required Password is Required Email Password Sign In Failed. You did not provide a valid email address. PrevNext 12345 RECENT PUBLICATIONS 7.16.24 Technical Note: Minimizing Buckling of Wood Structural Panels 5.16.24 Diaphragms and Shear Walls Design and Construction Guide 5.9.24 APA – The Mark of Quality for Wood Structural Panels 4.16.24 2024 Structural Panel & Engineered Wood Yearbook REGISTER NOW to download publications APA NEWS 06.18.24 APA Members Win Safety and Health Awards 04.18.24 2024 APA Structural Panel & Engineered Wood Yearbook Now Available 02.27.24 Chris Seymour Joins APA Board of Trustees EDUCATION & EVENTS Wall Bracing Webinar Series Satisfying the wall bracing requirements of the 2018 IRC. APA Webinars Upcoming and recorded webinars, including opportunities to earn CEUs. "Back to Basics" Engineered Wood Products Training On-demand training on specifying, handling, storing, and applications of EWPs. CODES & STANDARDSSEE ALL > ANSI Standard Development APA is accredited by the American National Standards Institute (ANSI) to develop national consensus standards for engineered wood products. APA Product Reports® APA System Reports Green Verification Reports APA HELP DESK The APA Product Support Help Desk can answer your questions about engineered wood products, systems and applications. CONTACT HELP DESK > APA REGIONAL REPRESENTATIVES Get help from your local APA Engineered Wood Specialist, offering free consultations for construction professionals. GET HELP > FEATURED SITES Performance Panels GO > Non-construction applications of engineered wood panels, with detailed product information and manufacturer directory. Wood University GO > Wood University courses are constructed to give you the knowledge you need to better specify, utilize, or sell engineered wood products. FEATURED RESOURCE Free CAD DetailsGO > Nearly 200 free CAD details for wood-frame construction. Available for download as DWG, RVT or PDF files. TECHNICAL RESEARCH & SPECIAL PROJECTS SEE ALL > Evaluation of Fire-Retardant Treated Structural Glued Laminated Timber GO > Field Moisture Performance of Wood-Framed Walls with Exterior Insulation in a Cold Climate GO > Hygrothermal Modeling of Wall Drying after Water Injection GO > ABOUT APA | À PROPOS DE L’APA * View the APA Fact Sheet | Consultez la fiche de renseignements d'APA APA Product Support Contact Us Terms Of Use Site Map Facebook Twitter LinkedIn YouTube © 2018 - 2024 APA – The Engineered Wood Association. All Rights Reserved.