RoofRunner being rolled out for installation

Underlayment

Unpredictable weather is no match for a well-protected roof! Safeguard your most valuable asset from wind-driven rain and snowstorm induced ice dams with a durable underlayment solution.

Ensure Roofing Excellence

As the industry's leading roofing underlayment provider, CertainTeed is proud to offer the widest range of both mechanically fastened and self-adhered solutions on the market. No matter your roofing project's unique needs, we have the perfect underlayment to exceed your expectations.

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Roofer installing roof runner with weathered wood Landmark shingles

TRG Multimedia

Product Line-up

Grace Vycor™ Ice & Water Shield®

Its self-adhesive properties ensure a secure and watertight seal, preventing any moisture from seeping through vulnerable areas of your roof.

Grace Ice Water Shield installed on roof

RoofRunner®

Synthetic roofing underlayment that provides a durable and reliable secondary layer of protection for your roof. Highly resistant to tearing, puncturing, and UV degradation, ensuring long-lasting performance.

TRG Multimedia

WinterGuard®

With its aggressive self-sealing adhesive strip, WinterGuard ensures a secure bond to the roof deck, eliminating the risk of wind uplift and ensuring reliable protection against ice dams.

Diamond Deck®

A high performance synthetic, scrim-reinforced, water-resistant underlayment that can be used beneath shingle, shake, metal or slate roofing.

Grace Vycor™ Ice & Water Shield

Setting the standard in waterproofing performance underlayments for the last 45+ years!

Grace Vycor™ Ice & Water Shield is the ultimate solution for safeguarding your roof against the harshest elements. When it comes to protecting your home or building, Grace Vycor™ Ice and Water provides unmatched defense against water infiltration and ice damming. Offering exceptional durability and long-lasting performance.

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