How Do I Install Flashing On Roofs

Apron flashings if you are new to roofing or fitting roof flashings this really is a bread and butter place to start master this and the slightly more difficult flashings like step flashings will seem a lot easier.

How do i install flashing on roofs. You can choose from v or w shaped types of flashing. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Click pic to enlarge the video below will show you how to fit lead roof flashing like the ones seen in the picture above. Trim as needed with your tin snips.

This flashing is typically field fabricated from a sheet of 26 ga. Step flashing redirects the water back onto the shingle. When fitting cover flashings to a flat roof like the. 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.

Prepare the area where you will install the roof flashing. How to install porch roof flashing step 1. Even if one piece of step flashing fails the flashing and shingle below it start the process over again. Galvanized sheet metal bent at a 90 degree angle i e.

Roof shingle over step flashing. Then nail the new l shaped flashing under the builder s felt but above the fascia board. Begin by removing the shingles at the affected area and removing old flashing if present. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.

Bend the corner flashing tightly around the corner. Bent into an l shape. When you lay the flashing down make sure it is flush with the drip edges at the bottom of the valley. How to install roof flashing against a wall.

Install the underlayment as directed by the manufacturer then set the valley flashing on top of it. 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. If you already have faulty flashing installed you.