Roofing Underlayment Ice

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Roofing underlayment ice.

Item 169827 model 5003002. 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. 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. Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen.

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. Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment. Ice water topshield s roof underlayment ice water defender series has excellent resistance and dimensional stability. Topshield s underlayment products have been created with the professional roofing contractor in mind.

Roofing materials that do require an ice barrier are. Gcp invented fully adhered roofing underlayments more than 35 years ago. Not all roofing materials require an ice barrier. Minimum overlap guidelines are set by the manufacturer.

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. Some contractors prefer the back roll method. 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. Whether the building is faced with wind driven rain or the potential for ice damming having a waterproof barrier will help provide protection for a long lasting roof.

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.