Determine the type of vents you wish to install.
Installing vent pipe in metal roof.
Trim the edges of the roofing membrane by an inch all around.
This is done because you need to overlap the flashing.
To offer water protection around the pipe vents on a metal roof you will have to use a pipe flashing created specifically for the corrugated surface of a metal roof.
In this video i cover installing a roof boot for a vent pipe in a metal roof.
This will involve determining the placement of the vents.
This may include the round whirlybird types that are placed.
A roof boot for a metal roof will also have a heat rating.
The metal i m using is called crinkle black i purchased all my materials at h.
How to install vents on a metal roof step 1.
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Prepare the roof area.
Install the panels leading up to the vent pipe until getting as close as possible to the pipe.
Below are some links to the tools i used on this project.
Apply silicone caulking around the area where the vent pipe penetrates the roof.
How to overcome vent pipes when putting on a metal roof step 1.
Various size vents will come.
The flashing will be fitted with an aluminum flange.
Look for one that is heat rated to at least 212 degrees f.