Step Flashing Roof Wall Connection

Step flashing should be extended at least 4 inches up the wall from the roof deck and at least 4 inches out along the roof deck 2015 international residential code irc.

Step flashing roof wall connection. Vent flashing done right to prevent leaks back up roof vent boots with flashing counterflashing and proper shingling. Ensure it sits flat and extends at least 8 inches above the shingles. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Step flashing step flashing redirects the water back onto the shingle.

The metal flashing is formed with a hook edge and cleated on 12 centers. Bent into an l shape. Bend it back so that it overlaps the corner flashing. Nail it in place with two nails one.

Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. And 3 cap the block with membrane overlapping the first two pieces and bridging the gap between the block and the wall sheathing. The flashing extends up the wall at least 4. Installing step flashing to prevent roof leaks step flashing spans the joint between roof shingles and an adjacent side wall.

1 run membrane down the side of the block and onto the roof underlayment. Cover tops of step. This flashing is typically field fabricated from a sheet of 26 ga. Here s how to install it correctly.

How to install step flashing with a wall corner step three. How to install roof flashing against a wall. Flashing joints are lapped 6 in the direction of water flow. Here s how to do it right the first time.

Hammer one nail to the. Galvanized sheet metal bent at a 90 degree angle i e. Cut step flashing pieces to be 10 in. Check out our recommended tools right here.

Step flashing should be integrated with the drainage plane above for example overlap housewrap over it. Longer than the shingle s exposure. The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. Even if one piece of step flashing fails the flashing and shingle below it start the process over again.

Keep doing this until you run out of stepped blocks. Nail flashing to roof deck only. 2 fold a vertical strip into the inside corner extending it above the top of the block so that the next layer of flashing will cover it shingle style. Then set the piece down.