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Owens Corning
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PLANNING YOUR ROOF 

DIY Roofing 101Build Your RoofnewHow to Calculate VentilationHow to Increase
Curb Appeal with ColorDuration® Series Shingles

ROOF DAMAGE 

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Expect

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GET STARTED

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COMPONENTS 

Explore Components
Hip and Ridge ShinglesStarter ShinglesLow Slope ProductsIce and Water
BarrierSynthetic UnderlaymentIntake VentilationExhaust VentilationTitanium® and
RhinoRoof®

ADVANCED FEATURES 

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Total Protection is more than shingle deep.
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20149
Change
 * Roofing
 * Roofing Components


VENTILATION CALCULATOR

Let Owens Corning Roofing help you calculate exactly how much ventilation you
will need for a healthy and balanced attic, with our 4-step ventilation
calculator.


ENTER SQUARE FOOTAGE

Calculate or enter the Square Footage of the Attic or Area to be Vented

 
Enter your square footage:
 
OR
 
 
OR
 
Enter the dimensions of your attic:
Length (ft)
X
Width (ft)
View Results

1.
Square Footage


VENTILATION REQUIREMENTS

Choose your requirements. *Owens Corning recommends a balanced ventilation
system based on the U.S. FHA 1/150 guideline. Learn More

1:150 (Recommended)
1:300

Based on your 1100 sq. ft. and this guideline, you'll need a minimum of:

528
sq. in.
Exhaust NFVA
(Near ridge of the roof)
 
AND
 
 
AND
 
528
sq. in.
Intake NFVA
(On soffits / undereave)
2.
Ventilation Requirements


EXHAUST SYSTEM PRODUCTS

Allow excess heat and moisture to exit the home.

The following product options will allow you to achieve an exhaust NFVA of 528
square inches.

Select your preferred type of exhaust system:

Ridge Vents
Roof Vents

Choose ONE of the following products to meet the recommended exhaust NFVA of 528
square inches:


VENTSURE® 4-FOOT STRIP HEAT & MOISTURE RIDGE VENT



 * 27 lineal feet required. Order qty: 7 pieces.


VENTSURE® 4-FOOT STRIP HEAT & MOISTURE RIDGE VENT WITH WEATHER PROTECTOR®
MOISTURE BARRIER



 * 30 lineal feet required. Order qty: 8 pieces.


VENTSURE® RIGID ROLL RIDGE VENT



 * 43 lineal feet required. Order qty: 3 rolls.


VENTSURE® RIDGECAT® ROLLED RIDGE VENT



 * 36 lineal feet required. Order qty: 2 rolls.

3.
Exhaust Products


INTAKE SYSTEM PRODUCTS

Allows cool, dry air, to enter the attic.

The following product options will allow you to achieve an intake NFVA of 528
square inches.

Choose ONE of the following products to meet the recommended intake NFVA of 528
square inches:


VENTSURE® INFLOW® INTAKE VENT



 * 53 lineal feet required. Order qty: 14 pieces.


UNDEREAVE INTAKE VENT



 * 14-33 pieces required. Order qty: 33 4x16" pieces | 20 6x16" pieces | 14
   8x16" pieces. *These products are not offered by Owens Corning.


SOFFIT VENT



 * 218-829 pieces required. Order qty: 218 4" pieces | 389 3" pieces | 829 2"
   pieces. *These products are not offered by Owens Corning.

4.
Intake Products


NEXT STEPS:

Roof Ventilation


WHERE TO BUY



Find a homecenter or distributor near you

Where to Buy
Roof Ventilation


VENTILATION PRODUCTS



Explore Owens Corning ventilation products

Browse Products
Roofing


READY TO BUILD YOUR ROOF™?



Build Your Roof™ empowers you to select each layer and component that goes into
your Total Protection Roofing System® so that you get the roof you want to
protect your home.

Learn More
 * 1Square Footage
 * 2Ventilation Requirements
 * 3Exhaust Products
 * 4Intake Products


ROOFING


PRODUCTS

 * Pick Your Shingles
 * Find a Contractor
 * Total Protection Roofing System®
 * Roofing Components
 * SureNail® Technology
 * StreakGuard™ Algae Protection
 * Cool Roof Collection
 * Roofing Warranties


RESOURCES AND SUPPORT

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 * Join the Roofing Contractor Network
 * Design in the Roof
 * Contractor Events
 * EU Declaration of Performance


GET STARTED

 * Call 1-800-GET-PINK®
 * Find a Roofing Contractor
 * Find in Store or Find a Distributor
 * Roof Financing


ROOFING ON SOCIAL MEDIA

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Contact UsCareersInvestors
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 * * Products
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     * Total Protection Roofing System®
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     * Cool Roof Collection
     * Roofing Warranties
 * * Resources and Support
     * Roofing Blog
     * Color and Design Tools
     * Document Library
     * Join the Roofing Contractor Network
     * Design in the Roof
     * Contractor Events
     * EU Declaration of Performance
 * * Get Started
     * Call 1-800-GET-PINK®
     * Find a Roofing Contractor
     * Find in Store or Find a Distributor
     * Roof Financing
 * * Roofing on Social Media
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       YouTube
 * Contact UsCareersInvestors
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© 1996–2022 Owens Corning. The color PINK is a registered trademark of Owens
Corning. THE PINK PANTHER™ & © 1964–2022 Metro-Goldwyn-Mayer Studios Inc. All
Rights Reserved.


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