Step 2 run a tape measure over the diameter of the pipe and add 1 2 to 3 4 inch to that before making the cut.
How to put vent pipe through metal roof.
Prepare the roof area.
Where the scrap wood hit the understructure of the roof we drilled a hole straight through to the outside.
Leave the drill bit sticking through the roof so you can find the hole.
Install the panels leading up to the vent pipe until getting as close as possible to the pipe.
This may include the round whirlybird types that are placed.
Homesteading ranching self reliance is not without its difficulties at times.
How to install vents on a metal roof step 1.
Slide the rubber boot over the pipe to check the fit.
Remove the rubber boot.
But it truly is rewarding.
Once we had the pipe extension connected we figured out where the new vent pipe would need to pass through the roof using a piece of scrap wood held flush with the pipe.
Here are a few tricks that really will help if you.
Go into your attic.
The penetration will be oval to have a round pipe exit vertically through a pitched roof you need an oval hole in the roof.
Measure on the panel where exactly the pipe will be located and make a mark.
Various size vents will come.
Try to keep it close to the fan location.
Position the vent pipe up to the bottom of the roof.
Start in the attic and drill a hole through the roof in the desired vent location.
From up on the roof use a jigsaw or reciprocating saw to cut a 4 in.
This will involve determining the placement of the vents.
With the pipe in a vertical position trace around the pipe using a pencil.