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How to shingle around a roof vent.
Install shingles as normal up to the base of the plumbing vent.
Use some asphalt roof cement under the cut shingle and around the vent pipe as shown in figure 2.
Momentarily lift the boot and apply sealant to hold the flashing in.
Following manufacturer s instructions for securing the vent the roofer will likely spread plastic roof cement on the underside of the vent place it over the hole slip the flange under the top side shingles and lay the flange over the down slope shingles.
Then set the vent flange or flashing in place.
Installing a roof plumbing vent is typically an easier task than flashing a chimney.
Place the flashing or boot onto the plumbing vent so the base is resting on shingles.
Properly adjust the row of shingles and then install the vent flange on top of the row of shingles below it.
How to shingle around a pipe.
Starting from below the vent pipe as the shingles approach the vent pipe area cut it according to the measurement you took.
A soil pipe vent is a roof penetration that a roofer encounters on most roof installs.
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Flange is a flat rectangular surface that sits on the roof.
Figure 2 cut shingle to fit over vent pipe.
The leaking may first be seen in the attic but if you don t catch it right away you may see water coming into the house dripping on the floor.
Roof leaks around vent pipes is relatively common.
A 3 in 1 roof flashing is inserted over.