Apply the last row of shingles that is just below the vent pipe as shown in figure 1.
Installing metal roof around vents.
This will involve determining the placement of the vents.
Various size vents will come.
Continue the next row of shingles cutting a hole for the vent pipe.
Replace all these with the new metal roofing.
Many homeowners today are switching to a metal roofing material instead of asphalt shingles when it comes time to make any roof repairs.
Insert the roofing membrane with the backing removed through the pipe.
Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.
How to install vents on a metal roof step 1.
Drill the galvanized screws into the vent and the roof to secure it.
Brush a layer of tar around the hole opening.
Insert the rubber gasket through the pipe.
Slide the vent into the hole and make sure it makes good contact with the tar.
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Prepare the roof area.
Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
Apply silicone caulking around the area where the vent pipe penetrates the roof.
This may include the round whirlybird types that are placed.
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Seal the roofing membrane by applying silicone caulking in the area where the roofing membrane comes in contact with the pipe.
When installing metal roofing it is almost always necessary to have to work around a vent pipe sticking up from the roof.
Once the hole is completed you can then install the roofing vent.
Metal roofing is a faster alternative to asphalt shingles and can be installed quicker and easier than its competition.
Most metal shingles will be attached to the roof using metal shingle.
Determine the type of vents you wish to install.
Start at the highest point and the furthest point from the trash container and take off all the old shingles flashing vents and boots.
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Figure 2 cut shingle to fit over.
Figure 1 install shingles just below vent pipe.
Wiggle it back and forth a little bit to make sure it makes good contact.