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.
Then set the piece down.
Here s how to install it correctly.
The flashing extends up the wall at least 4.
Longer than the shingle s exposure.
Here s how to do it right the first time.
Ensure it sits flat and extends at least 8 inches above the shingles.
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Bent into an l shape.
Epdm flashing tape with a butyl adhesive backing will help.
Hammer one nail to the.
Keep doing this until you run out of stepped blocks.
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.
Vent flashing done right to prevent leaks back up roof vent boots with flashing counterflashing and proper shingling.
Galvanized sheet metal bent at a 90 degree angle i e.
Installing step flashing to prevent roof leaks step flashing spans the joint between roof shingles and an adjacent side wall.
How to install roof flashing against a wall.
Wide and 2 in.
Bend it back so that it overlaps the corner flashing.
Nail through flashing into shingle do not extend flashing above top of shingle and.
Step flashing should be integrated with the drainage plane above for example overlap housewrap over it.
Flashing joints are lapped 6 in the direction of water flow.
Cover tops of step.
Step flashing step flashing redirects the water back onto the shingle.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Nail it in place with two nails one.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
The metal flashing is formed with a hook edge and cleated on 12 centers.
This flashing is typically field fabricated from a sheet of 26 ga.
And 3 cap the block with membrane overlapping the first two pieces and bridging the gap between the block and the wall sheathing.
How to install step flashing with a wall corner step three.
1 run membrane down the side of the block and onto the roof underlayment.
Cut step flashing pieces to be 10 in.