Installing Flashing On Flat Roof

Use 1 inch galvanized roofing nails or 3 4 inch exterior screws.

Installing flashing on flat roof.

But it doesn t work that way. Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it. 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. Details concrete masonry roofing wrb flashing.

Bend it back so that it overlaps the corner flashing. Above the roof sheathing. Flexible flashing tape seals the eave to the wall. Then set the piece down.

Once even a small section of roofing cement fails you ll have a leak. 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. Overlap two pieces of flashing that meet end to end by at least 1 inch. Once you know where the flat roof flashing goes and you have trimmed it the easy part is installing it.

Ensure it sits flat and extends at least 8 inches above the shingles. If you already have faulty flashing installed you. Measure the length of the porch roof joint to determine how much flashing you will need. Nail it in place with two nails one.

Hammer one nail to the. Space the fasteners by about 12 inches. Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.

It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. Typically flashing is installed using roofing nails and roofing cement. How to install porch roof flashing step 1. One common method is to lay the edge metal under the eaves membrane and over the rake.

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. I cut the tape so that it laps onto the housewrap above and 3 in. How to install step flashing with a wall corner step three. 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. I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall. All the same rules of flashing apply except only the measurements of chase depth and drop are required. 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.

Prepare the area where you will install the roof flashing.