Roof Repair Ice And Water Shield Low Pitch

All overhangs should also be covered.

Roof repair ice and water shield low pitch.

The minimum is typically 2 feet 24 inches or 0 60 m above the vertical projection of the inside of the exterior wall. During winters when there is a lot of snow and ice dams form higher up the roof slope water can pond up behind the dams and reach higher than 36. Roofing ice and water shield is a critically component to any new roofing system especially in cold weather climates. 59 3 8 inches up the roof slope from the drip edge.

Overhang and a 2 6 exterior wall. The membrane will outlast the shingles and seal around all nail penetrations. Self adhesive flashing membrane under the shingles prevents leakage on low slope roofs. Then apply standard asphalt shingles over the membrane.

For a low slope residential roof there are two main options. It was about 36 bucks for a one square roll back then. My photo of an asphalt roof installation in process shows that the contractor has installed a peel and stick waterproof ice and water shield type product along the roof eaves in a 36 wide strip. Many local building codes require ice and water shield and national building code states ice and water shield must start at the roofs eave edge and extend 2 ft inside heated wall space of a structure.

As far as grace ice and water i did use it under shingles on the low pitch patio roofs of a retirement community re roof project i did 10 years ago 1 1 2 on 12 pitch. 12 pitch roof with a 12 in. 1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products. Above that is an incomplete double coverage layer of 15 pound roofing felt.

In colder regions a good practice is to cover the first 3 feet 36 inches or 0 91 m of roof over heated space with ice and water protector. So what s the harm if the ice barrier isn t applied far enough up the roof slope.