How To Install Flashing On Existing Roof

The leading edge of the flashing is called the drip edge.

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. Installing your roof flashing is going to be slightly different depending on the specific type that you re installing. Bent into an l shape. But it doesn t work that way.

This flashing is typically field fabricated from a sheet of 26 ga. 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. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. Posted march 4 2017 filed under roof installation roof repair maintenance.

These leaks are almost always caused by improper flashing installation or the absence of roof flashing altogether. 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. 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. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.

Finally reattach all shingles removed in the process. Once even a small section of roofing cement fails you ll have a leak. Drip edge installation on an existing roof. Install flashing on existing roof to extend the lifespan of your roof.

How to install porch roof flashing. Galvanized sheet metal bent at a 90 degree angle i e. Apply roofing cement when installing drip edge on an existing roof.