Roof Repair Ice And Water Shield Low Pitch

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.

Roof repair ice and water shield low pitch.

Self adhesive flashing membrane under the shingles prevents leakage on low slope roofs. Then apply standard asphalt shingles over the membrane. Looked just like vycor without the printing. 1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products.

All overhangs should also be covered. 12 pitch roof with a 12 in. I ve marked in red the lower edge of each course of 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.

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. For a low slope residential roof there are two main options. Roofing ice and water shield is a critically component to any new roofing system especially in cold weather climates. Ice and water shield.

So what s the harm if the ice barrier isn t applied far enough up the roof slope. 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. Above that is an incomplete double coverage layer of 15 pound roofing felt.

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. The membrane will outlast the shingles and seal around all nail penetrations.