Ice Barrier For Metal Roof

It is a premier peel stick roofing underlayment that bonds firmly to the roof deck seals around nails without heat or special adhesives.

Ice barrier for metal roof. Roofing materials that do require an ice barrier are. Hence it s name is ice and water shield. Section r905 1 2 ice barriers in the 2018 irc says the ice barrier shall extend from the lowest edges of all roof surfaces to a point not less than 24 inches inside the exterior wall line of the building a couple of examples of how far up the slope of the roof the ice barrier membrane must be installed. And also in southern climates it s put on the entire roof because even if the shingles blow off it keeps the water out.

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. Install the ice barrier membrane according to the manufacturer s instructions with the drip edge installed on top of the membrane. It self seals around nails and provides protection for roof areas prone to ice and water intrusion. Most manufacturers of fully adhered roofing underlayment or ice and water shield offer their product in two major categories.

Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen. These categories are regular and what s known as high temp. 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 water shield is a self adhering rubberized asphalt roofing underlayment that protects against ice packed roofs and wind driven rain.

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. 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. 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.