Installing Flashing On Flat Roof

Overlap two pieces of flashing that meet end to end by at least 1 inch.

Installing flashing on flat roof.

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. Prepare the area where you will install the roof flashing. Use 1 inch galvanized roofing nails or 3 4 inch exterior screws. Nail it in place with two nails one.

If you already have faulty flashing installed you. How to install porch roof flashing step 1. Space the fasteners by about 12 inches. Then set the piece down.

Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in. 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. Above the roof sheathing. 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.

Two ways to flash roof edges. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Once you know where the flat roof flashing goes and you have trimmed it the easy part is installing it. Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it.

Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge 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. Once even a small section of roofing cement fails you ll have a leak. Ensure it sits flat and extends at least 8 inches above the shingles.

One common method is to lay the edge metal under the eaves membrane and over the rake. All the same rules of flashing apply except only the measurements of chase depth and drop are required. Lead flashing onto a flat roof. 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.

Installing your roof flashing is going to be slightly different depending on the specific type that you re installing. Details concrete masonry roofing wrb flashing. But it doesn t work that way. Flexible flashing tape seals the eave to the wall.

I cut the tape so that it laps onto the housewrap above and 3 in. Measure the length of the porch roof joint to determine how much flashing you will need. Hammer one nail to the. Typically flashing is installed using roofing nails and roofing cement.

Bend it back so that it overlaps the corner flashing.