Roof Repair Ice And Water Shield Low Pitch

Looked just like vycor without the printing.

Roof repair ice and water shield low pitch.

Overhang and a 2 6 exterior wall. It was about 36 bucks for a one square roll back then. 12 pitch roof with a 12 in. 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.

59 3 8 inches up the roof slope from the drip edge. Roofing ice and water shield is a critically component to any new roofing system especially in cold weather climates. Above that is an incomplete double coverage layer of 15 pound roofing felt. The minimum is typically 2 feet 24 inches or 0 60 m above the vertical projection of the inside of the exterior wall.

So what s the harm if the ice barrier isn t applied far enough up the roof slope. Self adhesive flashing membrane under the shingles prevents leakage on low slope roofs. 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. Then apply standard asphalt shingles over the membrane.

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. 1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products. I ve marked in red the lower edge of each course of roofing felt. 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.

All overhangs should also be covered. 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.