Roof Step And Wall

The narrower step flashing just isn t wide enough to protect the intersection fully.

Roof step and wall.

If the roof is metal or rubber membrane continuous flashing should be used rather than pieces of step flashing. It comes in 10 foot lengths or for step flashing 6 inch lengths. How to install roof flashing against a wall. Bigger step flashing is better.

Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings. The flat roofing material must go up the wall a minimum of 12 or up the wall and over the top of the wall if the wall is less than 12 high. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Posted march 4 2017 filed under roof installation roof repair maintenance.

It is used to seal the gap between walls and intersecting roofs. Step flashing redirects the water back onto the shingle. The term reglet flashing refers to an installation method for counter flashing not a separate layer. Step flashing protects the interface between a roof and a wall from water leaks that can cause hidden damage for years.

Proper roof wall abutment flashing examples. Bent into an l shape. Galvanized sheet metal bent at a 90 degree angle i e. Roof leg and a 7 in.

Multiple pieces of the flashing will be installed in layers with shingles to ensure the water flows away from the wall. Counter flashing is the final layer of a three part waterproof barrier installed between a roof and a vertical wall or chimney. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. The first two layers are called base flashing and step flashing.

Step flashing can be made with aluminum copper lead galvanized steel or. Kick out flashing should be installed at the end of a roof wall intersection to divert water away from the wall and into gutters. I recommend 12 in wide step flashings bent for a 5 in. Below are two photographs of roof wall step flashing completed and effective of a slate roof against a brick wall below left and in process with step flashing against a dormer sidewall before the dormer siding has been put in place below right.

Step flashing is a rectangular piece of flashing bent 90 degrees in the center. Learn how to install it below. Roof shingles should be installed over the portion of step flashing on the roof. 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. It is used for roof to wall flashing.