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Select the Best Roof Underlayment with CertainTeed

CertainTeed Roofing Products

Learn more about why CertainTeed offers the best roof underlayment options.

Roofing underlayments are designed for use on residential roof decks as a water-resistant layer beneath roofing shingles. CertainTeed manufactures the utility grade felt roofing underlayments ShingleFelt™ 15, ShingleFelt™ 30 and the fiberglass-reinforced felt underlayment Roofers’ Select™. It also markets a high-performance synthetic underlayment called DiamondDeck™. Waterproofing shingle underlayments prevent leaks from ice dams and wind-driven rain in vulnerable areas. WinterGuard™ is a CertainTeed roofing underlayment product.

5 of The Best Roofing Underlayment Types, Offered CertainTeed:

MetaLayment®

When it comes to applying a metal, shingle, slate, or mechanically-fastened tile roof, you need an underlayment that will increase the protection of your investment. Fulfill that need with CertainTeed’s MetaLayment. Clogged gutters, high winds, and ice dams cause water to accumulate on lower sloped roofs which can cause damage. MetaLayment can combat these elements. It is waterproof, does not rip, and seals around nails driven through it.

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DiamondDeck
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High-Performance Synthetic Roofing Underlayment
CertainTeed’s DiamondDeck® High-Performance Synthetic Underlayment is manufactured to provide best-in-class performance in terms of both weather protection and contractor safety.

DiamondDeck is a synthetic, scrim-reinforced, water-resistant underlayment that can be used beneath shingle, shake, metal or slate roofing. It has exceptional dimensional stability compared to standard felt underlayment.

Felt underlayment can wrinkle when it becomes wet and “telegraph” those wrinkles through to the shingles applied over it. DiamondDeck eliminates this problem and its special top surface treatment provides excellent slip resistance, even when wet.

Roofers’ Select

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Roofers’ Select™…Made to order for the true professional
As a final layer of protection, this high-performance roofing underlayment covers the entire roof after the WinterGuard® application. It’s reinforced with fiberglass to provide extra resistance to wrinkling and tear out from fasteners.

Roofer’s Select® meets the underlayment requirements for the CertainTeed Integrity Roof System® which is comprised of underlayments, shingles, accessory products, and ventilation all working together. The Integrity Roof System is designed to provide optimum performance–no matter how bad the weather conditions. For more information regarding the Integrity Roof System click on the brochure link to the right.

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ShingleFelt™

ShingleFelt™ 30 utility-grade underlayment complies with the important ASTM D4869 standard, yet is lighter and more economical than competing products. It provides a water-resistant layer beneath roofing shingles and wood shakes.

WinterGaurd

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Protection for vulnerable areas…
WinterGuard® waterproofing shingle underlayment is the solution for winning the battle against water penetration in your roof’s most vulnerable places. WinterGuard is a composite material of asphalt polymers, formed into a rolled sheet. The asphalt makes it vapor-tight, and the polymers make the asphalt elastic and sticky. This protective barrier is able to stretch and seal around nails driven through it. Placing WinterGuard a minimum of 24″ past the interior wall line at the eave provides your first line of defense.

WinterGuard is one of the key components in the CertainTeed Integrity Roof System™ which is comprised of underlayments, shingles, accessory products, and ventilation all working together. The Integrity Roof System is designed to provide optimum performance–no matter how bad the weather conditions are. For more information regarding the Integrity Roof System click on the brochure link to the right

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