Installing Flashing On Flat Roof

Installing your roof flashing is going to be slightly different depending on the specific type that you re installing.

Installing flashing on flat roof.

Flexible flashing tape seals the eave to the wall. Nail it in place with two nails one. Details concrete masonry roofing wrb flashing. Space the fasteners by about 12 inches.

Hammer one nail to the. Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it. Ensure it sits flat and extends at least 8 inches above the shingles. Overlap two pieces of flashing that meet end to end by at least 1 inch.

Above the roof sheathing. Measure the length of the porch roof joint to determine how much flashing you will need. Prepare the area where you will install the roof flashing. Use 1 inch galvanized roofing nails or 3 4 inch exterior screws.

Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall. Once even a small section of roofing cement fails you ll have a leak. If you already have faulty flashing installed you.

It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. One common method is to lay the edge metal under the eaves membrane and over the rake. 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. 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.

Lead flashing onto a flat roof. 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. But it doesn t work that way.

Typically flashing is installed using roofing nails and roofing cement. 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. 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. All the same rules of flashing apply except only the measurements of chase depth and drop are required.

Then set the piece down. Two ways to flash roof edges. How to install step flashing with a wall corner step three. How to install porch roof flashing step 1.

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.