Roofing Underlayment Ice

Ice water topshield s roof underlayment ice water defender series has excellent resistance and dimensional stability.

Roofing underlayment ice.

The best defense against ice dams in cold climates is a so called cold roof consisting of high levels of ceiling insulation separated from the roof surface by a free flowing vent space see preventing ice dams page 97 in the printed text best practices guide to residential construction. Not all roofing materials require an ice barrier. Asphalt shingles metal roof shingles mineral surfaced roll roofing slate and slate type shingles wood shingles and wood shakes. Minimum overlap guidelines are set by the manufacturer.

It also makes the grace and ice water shield one of the best options for the best waterproof roofing underlayment. Ice and water protector sometimes also referred to as ice and water shield is a waterproof roof underlayment membrane developed to protect vulnerable areas on a roof from ice and water damage. Rhinoroof granulated self adhered underlayment provides that essential waterproof barrier as a second line of defense against water mitigation. Gcp invented fully adhered roofing underlayments more than 35 years ago.

Item 169827 model 5003002. Roofing materials that do require an ice barrier are. Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen. Gcp applied technologies grace ice water shield roofing underlayment requires side laps to be a minimum of 90 mm 3 5 in and end laps a minimum of 150 mm 6 in.

Grace ice and water shield roofing underlayment a registered trademark of gcp applied technologies is the name that contractors trust the most to protect their reputations. Topshield s underlayment products have been created with the professional roofing contractor in mind. Grace ice and water shield fully adhered smooth surface roofing underlayment provides best in class roof leak protection against wind driven rain and ice dams. Some contractors prefer the back roll method.

Grace ice and water shield fully adhered smooth surface roofing underlayment provides best in class roof leak protection against wind driven rain and ice dams.