Ice And Snow Roofing Barrier

12 pitch roof with a 12 in. A couple of examples of how far up the slope of the roof the ice barrier membrane must be installed. In areas where there has been a history of ice forming along the eaves causing a backup of water an ice barrier that consists of at least two layers of underlayment cemented together or of a self adhering polymer modified bitumen sheet shall be used in lieu of normal underlayment and extend from the lowest edges of the roof surfaces to the point at least 24 inches inside the exterior wall line of the building.

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47 inches up the roof slope from the drip edge.

Ice and snow roofing barrier.

Asphalt shingles metal roof shingles mineral surfaced roll roofing slate and slate type shingles wood shingles and wood shakes though not called out in r905 1 2 pv roof shingles and building integrated pv roof panels do require an ice barrier and that is noted under the subsections for those materials. Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen. Ice and water shield offers leak protection to trouble prone spots and can be used as an underlayment to help sloped roofs resist water penetration due to wind driven rain or water back up resulting from ice dams. Overview weatherlock flex flexible self sealing ice water barrier provides excellent roof deck protection against water infiltration resulting from the freeze thaw cycle wind driven rains and normal water flow around eaves rakes valleys vents chimneys and skylights.

The grace 36 in. 6 pitch roof with a 12 in. 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. Overhang and a 2 6 exterior wall.

Find roof ice water barriers at lowe s today. 50 1 2 inches up the roof slope from the drip edge. Install the ice barrier membrane according to the manufacturer s instructions with the drip edge installed on top of the membrane. 8 pitch roof with a 12 in.

Overhang and a 2 6 exterior wall. Roofing materials that do require an ice barrier are. Then install regular roofing underlayment tar paper over the top of the drip edge and over the ice barrier and continuing all the way up the roof. Overhang and a 2 6 exterior wall.

59 3 8 inches up the roof slope from the drip edge.

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