Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
Installing flashing on flat roof.
Two ways to flash roof edges.
Once you know where the flat roof flashing goes and you have trimmed it the easy part is installing it.
Installing your roof flashing is going to be slightly different depending on the specific type that you re installing.
It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.
Use 1 inch galvanized roofing nails or 3 4 inch exterior screws.
How to install porch roof flashing step 1.
Details concrete masonry roofing wrb flashing.
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.
Space the fasteners by about 12 inches.
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.
If you already have faulty flashing installed you.
Above the roof sheathing.
All the same rules of flashing apply except only the measurements of chase depth and drop are required.
Lead flashing onto a flat roof.
Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it.
Flexible flashing tape seals the eave to the wall.
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.
Then set the piece down.
Ensure it sits flat and extends at least 8 inches above the shingles.
Hammer one nail to the.
Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in.
Bend it back so that it overlaps the corner flashing.
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.
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.
Typically flashing is installed using roofing nails and roofing cement.
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.
Nail it in place with two nails one.
Once even a small section of roofing cement fails you ll have a leak.
Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.
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.
Overlap two pieces of flashing that meet end to end by at least 1 inch.
