Step Flashing Vs Roof To Wall Flashing

This is true no matter what type of roof covering material is installed. It is used for roof to wall flashing. Nrca berg points out that while continuous metal flashing is used at wall junctures in certain steep slope roof installations special flashing installation details are required that are different from a step flashing sealed roof and even when installed according to specifications this approach can leave the roof vulnerable to leaks or moisture damage from wind driven rain.

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Learn how to install it below.

Step flashing vs roof to wall flashing.

Headwall flashing should extend up behind the exterior wall covering and down over the roof covering material as you see here. Make corner flashing from step flashing. Corner flashing comes first. 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.

Bend it down and back to sit flat on the corner. This illustration shows proper flashing at a headwall condition. In contrast to step flashing the next layer is installed in a continuous strip. By glenn mathewson login or register to download the pdf version of this article.

Truck tool rental. Once you ve shingled up to the sidewall cut a piece of step flashing at a 45º angle from the outside corner to the bent seam. A headwall is a level junction where a roof meets a wall. This final layer is called counter cover or cap flashing and commonly consists of aluminum galvanized steel copper tin or even plastic.

Aluminum 3 galvanized steel 1 plastic 2 product length in 5 10 3 50 or greater 3 product width in 15. Then sink two nails in the wall near the top one on each face. Step flashing is a rectangular piece of flashing bent 90 degrees in the center. 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. 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. Get free shipping on qualified step flashing or buy online pick up in store today in the building materials department. Code s eye view step flashing vs.

How to install roof flashing against a 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. Roof to wall 1 step flashing 5 material.

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. Lay a bead of. It sits on top of the finished roof and covers the step flashing.