Figure 1 install shingles just below vent pipe.
Installing metal roofing around vent pipes.
How to install vents on a metal roof step 1.
This will involve determining the placement of the vents.
Apply the roofing felt on the roof cutting a hole for the vent pipe.
Prepare the roof area.
Various size vents will come.
Apply silicone caulking around the area where the vent pipe penetrates the roof.
Apply a second layer of sealant around the lip of the vent outside.
Drill starter holes if needed then scew down the vent with the fasteners in the installation kit.
Install shingles as normal up to the base of the plumbing vent.
Installing a roof plumbing vent is typically an easier task than flashing a chimney.
Determine the type of vents you wish to install.
Run a tape measure over the diameter of the pipe and add 1 2 to 3 4 inch to that before making the cut.
Place the flashing or boot onto the plumbing vent so the base is resting on shingles.
Insert the roofing membrane with the backing removed through the pipe.
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.
Insert the rubber gasket through the pipe.
Then move into the attic and apply to the underside of the opening and vent.
Momentarily lift the boot and apply sealant to hold the flashing in place.
Place the cover over the vent opening and screw into place.
Continue the next row of shingles cutting a hole for the vent pipe.
Here is how you do it.
The metal i m using is called crinkle black i purchased all my materials at h.
A quick step by step guide on how to flash a metal roof.
How to overcome vent pipes when putting on a metal roof step 1.
Seal the roofing membrane by applying silicone caulking in the area where the roofing membrane comes in contact with the pipe.
Apply the last row of shingles that is just below the vent pipe as shown in figure 1.
