Flashing Roofing Installation

The flashing should overlap the edge of the roof by one inch to help direct water.
Flashing roofing installation. Nail it in place with two nails one. Flashing is metal trim that fits over joints where two sections of roof meet. The remaining siding on the sidewall will overlap the step flashing and nail. Roofers sometimes poorly install flashing over the shingles instead of underneath which compromises their water resistance.
Now notch the first step flashing so that it will bend to go around the chimney front and side as well as at the base. Then set the piece down. Hammer one nail to the. It helps direct water away from the meeting points and keeps the roofing dry.
How to install roof flashing against a wall. Even if caulking is used the roof will have to be re caulked often to avoid leaks if the flashing isn t installed correctly. Install the step flashing when the siding is installed it should be tucked behind this piece and then consecutive courses lapped over it. Ensure it sits flat and extends at least 8 inches above the shingles.
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. Typically flashing is installed using roofing nails and roofing cement. Step flashing step flashing redirects the water back onto the shingle. Flashing should be installed underneath new shingles to prevent water damage.
Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in. Bend the flashing into a v shape to fit over the top roof ridge and the corners where the panels meet. In order to properly install new flashing you ll have to remove the shingles surrounding your old flashing and then re lay them after installation. Even if one piece of step flashing fails the flashing and shingle below it start the process over again.