How To Install Flashing On Existing Roof

Many people who have porches attached to their homes have problems with water leaks at the junction of the porch and the exterior wall of the home.

How to install flashing on existing roof.

These leaks are almost always caused by improper flashing installation or the absence of roof flashing altogether. The leading edge of the flashing is called the drip edge. But it doesn t work that way. Finally reattach all shingles removed in the process.

How to install porch roof flashing. Bent into an l shape. Install flashing on existing roof to extend the lifespan of your roof. Galvanized sheet metal bent at a 90 degree angle i e.

Once even a small section of roofing cement fails you ll have a leak. 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. Installing your roof flashing is going to be slightly different depending on the specific type that you re installing. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.

This flashing is typically field fabricated from a sheet of 26 ga. Posted march 4 2017 filed under roof installation roof repair maintenance. 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. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.

Coat the flat part of the flashing that sits on the deck using a putty knife. Apply roofing cement when installing drip edge on an existing roof. 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.