How To Add Roof Flashing

Once even a small section of roofing cement fails you ll have a leak.

How to add roof flashing. Hammer one nail to the. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. Then set the piece down. Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.

After this incise the first flashing to bend properly so that it can go round the front of the chimney its side as well as the base. Once you perform the step above use plastic roof cement under the base part of the flashing. Next place your vent flashing on top of the membrane. Apply a thin bead of silicone around the opening of the vent pipe area and lay the membrane in place.

Install the step flashing before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof. Cut some membrane material to seal between the vent flashing and the roof and cut an opening for the vent. Bend it back so that it overlaps the corner flashing. But it doesn t work that way.

Then nail the new l shaped flashing under the builder s felt but above the fascia board. The metal flashing must overlap the material not the other way around. Once the shingles are installed lay the flashing about 4 inches past each end of the chimney. How to install step flashing with a wall corner step three.

Gaf mastering the roof chapter 13 flashing is used to seal and protects joints in a building from water penetration by direct the flow of water away from. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Nail it in place with two nails one.