Installing Flashing On Flat Roof

But it doesn t work that way.

Installing flashing on flat roof.

Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. Installing your roof flashing is going to be slightly different depending on the specific type that you re installing. Once even a small section of roofing cement fails you ll have a leak.

Place the flashing where you determined and hammer it in place using roofing nails until the head of the nail is flush with the roof. I cut the tape so that it laps onto the housewrap above and 3 in. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. Details concrete masonry roofing wrb flashing.

When fitting flashings to flat roofs no overlap onto the roof is required as the roof itself will have it s own upstand flashing built into it. Lead flashing onto a flat roof. Two ways to flash roof edges. Nail it in place with two nails one.

Install the drip edge by fitting it on the roof eave pushing it tightly against the edge of the plywood and nailing or screwing it down. 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. How to install step flashing with a wall corner step three. Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in.

Typically flashing is installed using roofing nails and roofing cement. Use 1 inch galvanized roofing nails or 3 4 inch exterior screws. Once you know where the flat roof flashing goes and you have trimmed it the easy part is installing it. Flexible flashing tape seals the eave to the wall.

Bend it back so that it overlaps the corner flashing. All the same rules of flashing apply except only the measurements of chase depth and drop are required. 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. Space the fasteners by about 12 inches.

Prepare the area where you will install the roof flashing. If you already have faulty flashing installed you. Above the roof sheathing. Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it.

One common method is to lay the edge metal under the eaves membrane and over the rake. Then set the piece down. I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall. Hammer one nail to the.

How to install porch roof flashing step 1.