Ice Barrier For Metal Roof
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.
Ice barrier for metal roof. Our metal roof snow guard products are a cost effective long lasting aesthetically pleasing snow retention solution for any metal corrugated standing seam asphalt shingle or slate roof located in a winter climate. 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. 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. The short answer is probably not.
Find roof ice water barriers at lowe s today. Weatherlock g granular self sealing ice and water shield leak barrier model 891705 view the owens corning total protection. And also in southern climates it s put on the entire roof because even if the shingles blow off it keeps the water out. Most manufacturers of fully adhered roofing underlayment or ice and water shield offer their product in two major categories.
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. If you have a metal roof you generally don t have that problem because even if you do get ice it s going to build up at the edge. Owens corning 200 sq. This determines the snow guards ability to hold back layers of frozen precipitation to help eliminate unexpected slides.
It self seals around nails and provides protection for roof areas prone to ice and water intrusion. Install the ice barrier membrane according to the manufacturer s instructions with the drip edge installed on top of the membrane. The product should be a premium high temperature ice and water shield for use with tile metal and other roofs with scrim reinforced top surface. Roofing materials that do require an ice barrier are.
Hence it s name is ice and water shield. Film surfaced peel and stick roof leak barrier roll model 0915000. Can you use standard ice water barrier beneath metal roofing.