Roof Wall Flashing Installation

This article provides details of foundation tops building walls exterior trim wall corners and roof wall intersection flashing to prevent leaks water damage.

Roof wall flashing installation. Even if one piece of step flashing fails the flashing and shingle below it start the process over again. It may seem as if a. The wall leg of the kickout should be applied over the housewrap cut a 2 ft square piece of housewrap and tuck one edge into the horizontal cut the same one the first piece of housewrap was slipped into and up under the housewrap on the wall by at least 5 in. Building wall flashing materials choices installation details specifications.

Install your underlayment completely and your shingles up to where the wall begins so that the first piece of flashing or the corner flashing will rest on a shingle. How to install roof flashing against a wall. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. To make corner flashing take your tin snips and cut a 45 degree line from an outside corner to the center fold.

These leaks are almost always caused by improper flashing installation or the absence of roof flashing altogether. Step flashing redirects the water back onto the shingle. Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies.