Flashing Roofing Installation

Flashing should be installed underneath new shingles to prevent water damage. Even if caulking is used the roof will have to be re caulked often to avoid leaks if the flashing isn t installed correctly. 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.

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Bend the flashing into a v shape to fit over the top roof ridge and the corners where the panels meet.

Flashing roofing installation. Flashing is metal trim that fits over joints where two sections of roof meet. Typically flashing is installed using roofing nails and roofing cement. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Roofers sometimes poorly install flashing over the shingles instead of underneath which compromises their water resistance.

Bend it back so that it overlaps the corner flashing. Step flashing step flashing redirects the water back onto the shingle. Then set the piece down. 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.

Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in. How to install step flashing with a wall corner step three. The flashing should overlap the edge of the roof by one inch to help direct water. Nail it in place with two nails one.

Ensure it sits flat and extends at least 8 inches above the shingles. It helps direct water away from the meeting points and keeps the roofing dry. The remaining siding on the sidewall will overlap the step flashing and nail. How to install roof flashing against a wall.

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. Install the step flashing when the siding is installed it should be tucked behind this piece and then consecutive courses lapped over it. Hammer one nail to the. Even if one piece of step flashing fails the flashing and shingle below it start the process over again.