How To Install Vent Pipe Flashing On Existing Roof

Plenty more videos t.

How to install vent pipe flashing on existing roof.

Slide the new flashing over the vent pipe and under the shingles above the pipe. Then nail the new l shaped flashing under the builder s felt but above the fascia board. After selecting an area to install from inside the building square the template between the roof rafters and outline with a marker. How to retrofit the ultimate pipe flashing on an existing roof.

Add a large bead of caulk in a half moon shape around the flashing and put the shingles back in place. Pull the old flashing up over the vent pipe and scrape any old caulk and debris off the roof. Use roofing nails to install the l shaped flashing flush with the roof and wall then cover it with roofing cement and reattach the roofer s felt. The flashing should be installed under the top and side shingles but it should be laid above the shingles that are below the vent pipe.

Lifting the shingles around the vent if you ve already laid them or they re already part of an existing roof slide the upper portion of your vent flashing beneath them. Now that the old flashing is gone you can slide the new flashing over the pipe vent and maneuver it under the shingles above the pipe. Next use a reciprocating saw with a rough in blade to cut the out the marked template. Begin by removing the shingles at the affected area and removing old flashing if present.

Hammer the nails into the top and sides of the flashing. The neck of the flashing should fit snugly around the pipe. How to retrofit the ultimate pipe flashing on an existing roof. Use one roofing nail in each corner of the flashing to secure it to the roof.

Be sure to like and subscribe in order to help me bring you more helpful videos filled with tips and tricks i ve learned over the years. Using a sawzall cut any roofing nails in the area of the lower mounting plate flush with the sheathing.