Install A Roof Vent Flashing

Traditional flashings still work.

Install a roof vent flashing.

Then set the piece down. Nail it in place with two nails one. Cut your shingles precisely to leave at least half an inch around the base. Pull the old flashing up over the vent pipe and scrape any old caulk and debris off the roof.

Use one roofing nail in each corner of the flashing to secure it to the roof. 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. 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. If there is a split in the shingle along the edge of the flashing be sure to caulk the edge of the flashing.

Ensure it sits flat and extends at least 8 inches above the shingles. Slip a flat bar under the edge of the vent flashing and pop the nails up photo 1. The traditional pipe flashing is a soldered lead riser pipe that encloses the vent pipe and folds in the pipe at the top. After selecting an area to install from inside the building square the template between the roof rafters and outline with a marker.

These need to be fabricated or ordered to match a specific roof pitch and pipe diameter. The metal i m using is called crinkle black i purchased all my materials at h. 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. Leave the bottom of flashing exposed so only the sides and top are covered by shingles.

How to install step flashing with a wall corner step three. Slide the new flashing over the vent pipe and under the shingles above the pipe. 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. It s soldered to a roof flange that layers into the shingles.

Begin by removing the shingles at the affected area and removing old flashing if present. Next use a reciprocating saw with a rough in blade to cut the out the marked template. Bend it back so that it overlaps the corner flashing. Then nail the new l shaped flashing under the builder s felt but above the fascia board.

Using a sawzall cut any roofing nails in the area of the lower mounting plate flush with the sheathing. Hammer one nail to the. Add a large bead of caulk in a half moon shape around the flashing and put the shingles back in place.