Roof Flashing To Vinyl Siding

Otherwise the siding installer will need to be extra cautious with the new roof.

Roof flashing to vinyl siding. Then caulk the nail heads. In your case with the vinyl siding your exterior trim work has horizontal fascia boards at the bottom of the house and each story line. Any water that may pass through the small hole where the siding is trimmed around the wing will be drained back out onto the face of the siding. Now install the kickout flashing and step flashings up the roof as needed.

Then tack the ledger into place with 16d nails. On lean to roofs where a sloping roof plane meets the siding endwall flashing is necessary to prevent leaks. Step flashings on a cedar shake roof are typically installed every 10 inches. Flashing is a strip of metal usually aluminum about 8 inches long and bent at 90 degrees with each side at least 5 inches wide.

Even if the roof has been properly flashed against the sidewall this one hasn t water can still run down the side of the house and behind the siding causing rot. It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc. On a wall to be covered with wood cement board vinyl or metal. The intersection between a roof and a sidewall can be a rot problem waiting to happen.

On the other hand you ll find some siding parts need to be nailed down under the roof shingles. When the vinyl siding rests on top of these boards a piece of flashing is needed to create a leak proof conversion between the first piece of vinyl siding and the horizontal fascia board. This is your fail safe backup to any leak at the kickout wing. In this sense it seems more practical to install the siding first.

Some roofing components such as the flashing are easier to install without the siding. Next slide drip flashing behind the vinyl so the lip fits over the top of the ledger as shown at right. Failing to replace step flashings when a cedar shake roof is replaced with a composition shingle roof. If the house is sided with shingles or lap siding simply slip the metal s top edge up under the bottom edge of the shingles or siding as far as possible.

Fit the flashing in place caulk the top edge and nail it with galvanized nails long enough to penetrate at least 1 inch into the structural members.