How To Install Flashing On Existing Roof

Install flashing on existing roof to extend the lifespan of your roof.

How to install flashing on existing roof.

Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. 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. Finally reattach all shingles removed in the process. Once even a small section of roofing cement fails you ll have a leak.

The leading edge of the flashing is called the drip edge. This flashing is typically field fabricated from a sheet of 26 ga. Drip edge installation on an existing roof. Bent into an l shape.

Galvanized sheet metal bent at a 90 degree angle i e. December 27 2018 a look at types of drip edge flashing how to cut it and how to retrofit it to an existing roof drip edge flashing is any flashing that protects a building element by shedding water. Posted march 4 2017 filed under roof installation roof repair maintenance. Apply roofing cement when installing drip edge on an existing roof.

Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. How to install porch roof flashing. Lift the shingles slide the drip edge underneath them and position it so that it extends over the gutters then replace the shingles and push down to seat the drip edge. But it doesn t work that way.

Step flashing for chimneys once the shingles have been installed lay the base flashing around the base of the chimney approximately 4 past each end. Coat the flat part of the flashing that sits on the deck using a putty knife. These leaks are almost always caused by improper flashing installation or the absence of roof flashing altogether.