Roof Step And Wall

Here is an attempt though maybe not a very good one to make the roof flashing serve also as a through the wall flashing with a tile roof.

Roof step and wall. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Multiple pieces of the flashing will be installed in layers with shingles to ensure the water flows away from the wall. It may seem as if a. Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings.

It is used for roof to wall flashing. Even if one piece of step flashing fails the flashing and shingle below it start the process over again. Counter flashing is the final layer of a three part waterproof barrier installed between a roof and a vertical wall or chimney. Roof leg and a 7 in.

Step flashing is a rectangular piece of flashing bent 90 degrees in the center. Step flashing can be made with aluminum copper lead galvanized steel or. I recommend 12 in wide step flashings bent for a 5 in. Metal roof flashing is a galvanized sheet metal that is bent at a 90 degree angle about 8 to 12 inches on each side of the angle.

Roof shingles should be installed over the portion of step flashing on the roof. The narrower step flashing just isn t wide enough to protect the intersection fully. Bent into an l shape. It is used to seal the gap between walls and intersecting roofs.

Bigger step flashing is better. If the roof is metal or rubber membrane continuous flashing should be used rather than pieces of step flashing. The term reglet flashing refers to an installation method for counter flashing not a separate layer. Step flashing redirects the water back onto the shingle.

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. Proper roof wall abutment flashing examples. Kick out flashing should be installed at the end of a roof wall intersection to divert water away from the wall and into gutters. This flashing is typically field fabricated from a sheet of 26 ga.

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. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. Learn how to install it below. It comes in 10 foot lengths or for step flashing 6 inch lengths.

Posted march 4 2017 filed under roof installation roof repair maintenance. Step flashing protects the interface between a roof and a wall from water leaks that can cause hidden damage for years.