How Do I Install Flashing On Roofs

Bent into an l shape.

How do i install flashing on roofs. Galvanized sheet metal bent at a 90 degree angle i e. Posted march 4 2017 filed under roof installation roof repair maintenance. Roof shingle over step flashing. How to install roof flashing against a wall.

When fitting cover flashings to a flat roof like the. When you lay the flashing down make sure it is flush with the drip edges at the bottom of the valley. Measure the length of the porch roof joint to determine how much flashing you will need. Trim as needed with your tin snips.

Install the underlayment as directed by the manufacturer then set the valley flashing on top of it. If you already have faulty flashing installed you. How to install porch roof flashing step 1. 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.

Begin by removing the shingles at the affected area and removing old flashing if present. Bend the corner flashing tightly around the corner. You can choose from v or w shaped types of flashing. Then nail the new l shaped flashing under the builder s felt but above the fascia board.

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. This flashing is typically field fabricated from a sheet of 26 ga. Click pic to enlarge the video below will show you how to fit lead roof flashing like the ones seen in the picture above. Even if one piece of step flashing fails the flashing and shingle below it start the process over again.

Step flashing redirects the water back onto the shingle. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. 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.