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Step flashing vs roof to wall flashing.
Lay a bead of.
Roof to wall 1 step flashing 5 material.
Code s eye view step flashing vs.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
363 46 kb while the building code now allows you to install continuous flashing along a sloped roof to wall intersection the author cautions against it and.
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It sits on top of the finished roof and covers the step flashing.
Make corner flashing from step flashing.
This illustration shows proper flashing at a headwall condition.
Bend it down and back to sit flat on the corner.
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Once you ve shingled up to the sidewall cut a piece of step flashing at a 45ยบ angle from the outside corner to the bent seam.
Step flashing is a rectangular piece of flashing bent 90 degrees in the center.
In contrast to step flashing the next layer is installed in a continuous strip.
Aluminum 3 galvanized steel 1 plastic 2 product length in 5 10 3 50 or greater 3 product width in 15.
And in section 905 which covers the installation of all roof coverings of the 2015 irc the first sentence requires compliance with the code and the manufacturer s.
Then sink two nails in the wall near the top one on each face.
A headwall is a level junction where a roof meets a wall.
How to install roof flashing against a wall.
Learn how to install it below.
Corner flashing comes first.
Step flashing step flashing redirects the water back onto the shingle.
This is true no matter what type of roof covering material is installed.
Multiple pieces of the flashing will be installed in layers with shingles to ensure the water flows away from the wall.
This final layer is called counter cover or cap flashing and commonly consists of aluminum galvanized steel copper tin or even plastic.
Every asphalt roofing manufacturer s installation instructions that i have ever seen specify step flashing as the preferred way to flash the roof to wall juncture.
Headwall flashing should extend up behind the exterior wall covering and down over the roof covering material as you see here.
