Roofing Water Ice Barrier

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.

Roofing water ice barrier.

Gcp applied technologies grace ice and water shield 36 in. 905 1 2 ice barriers in areas where there has been a history of ice forming along the eaves causing a backup of water as designated in table 301 2 1 an ice barrier shall be installed for asphalt shingles metal roof shingles mineral surfaced roll roofing slate and slate type shingles wood shingles and wood shakes. 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 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.

It is smart to install water and ice barrier. Roll self adhered roofing underlayment 225 sq. Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen. 1 inch 25 4 mm 1 mile per hour 0 447 m s.

They are the low points that carry the most water. Valleys are the rivers of the roof structure. 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. Valleys that carry a lot of water or that face north that hold ice can gain extra protection with water and ice barrier.

Even if you don t live in an ice dam region like minnesota colorado and wisconsin you may still consider ice barrier membrane for your home. These conditions occur during wind driven rain and even more so during water backfrom ice dams our previous post discusses ice damming. Ice and water barrier is a self adhering rubberized membrane that protects your roof from leaking due to excessive water conditions. Find roof ice water barriers at lowe s today.

There are several areas of your roof especially susceptible to the water penetration that ice and water barrier will serve to prevent.