How To Install Vent Pipe Flashing On Existing Roof

Then nail the new l shaped flashing under the builder s felt but above the fascia board.

How to install vent pipe flashing on existing 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. How to retrofit the ultimate pipe flashing on an existing roof. Center the pipe in the flashing and push the flexible front corners up or down so that the flashing pipe is parallel to the vent pipe. 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. Begin by removing the shingles at the affected area and removing old flashing if present. How to retrofit the ultimate pipe flashing on an existing roof. Hammer the nails into the top and sides of the flashing.

Plenty more videos t. Slide the new flashing over the vent pipe and under the shingles above the pipe. To make the installation easier you can turn the flashing as you lower it in place. 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.

After selecting an area to install from inside the building square the template between the roof rafters and outline with a marker. 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. The neck of the flashing should fit snugly around the pipe.

Add a large bead of caulk in a half moon shape around the flashing and put the shingles back in place. Use one roofing nail in each corner of the flashing to secure it to the roof.