How To Install Vent Flashing On Flat Roof

Use one roofing nail in each corner of the flashing to secure it to the roof.

How to install vent flashing on flat roof.

Then nail the new l shaped flashing under the builder s felt but above the fascia board. It is found near the edge of 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. Add a large bead of caulk in a half moon shape around the flashing and put the shingles back in place.

If you do not wish to form your own corner flashing you can buy pre bent pieces and cut them to size or use a piece of corrugated aluminum which is easier to bend. Look for any type of vents as well. Begin by removing the shingles at the affected area and removing old flashing if present. Roof shingle over step flashing.

This can be a source for anything from smoke to steam. Look for the chimney or any type of pipe coming out of the building. Step flashing on roof peak. Bend the corner flashing tightly around the corner.

1 remove nails holding down shingles above the pip. Roof flashing will be found in a number of different locations on your roof. Locate all of the areas around the flat roof where water can potentially enter. Drip edge the drip edge is flashing that directs water into the gutters.

Step 2 carefully inspect the flashing. Pull the old flashing up over the vent pipe and scrape any old caulk and debris off the roof. While you are up on the roof you should inspect all of the areas so that you don t have to return any time soon. Flat roof flashing is also installed around the perimeter of the roof to protect the underside of shingles.