How To Apply Flashing On A Rolled Roof

This flashing comes shaped like a v or a w valley flashing is attached on top of the roofing felt before shingles are added.

How to apply flashing on a rolled roof.

Remove flashing and install a layer of roof cement within the marks. Reinstall lead flashing mechanically fastening it to decking. This how to video explores proper roof flashing installation for shingle roofing applications. When using the concealed nail method apply lap cement to the entire area between the chalk lines and then embed the 12 inch strip in it.

Wherever you have a valley in your roof which the junction is where two roof planes meet at the bottom of a slope you ll apply your valley flashing. Flat roof installation. Unlike built up or hot mop roofs mineral paper roofs do not require a coating of waterproof membrane. This material is available with a v or w shaped profile and is placed over the top of the building felt before the roof s finishing material is installed.

Only use nails in the top two corners. Cut a hole in the roof just large enough for the vent pipe and lay the strip into place. Flashing is installed to surround roof features such as vents. Cover flange of flashing and approx 3 past in roof cement.

To apply rolled roofing you ll need your roof measurements a broom chalk to mark lines a razor blade to cut the material roofing cement nails and a hammer to hold down the material. Read the roll roofing manufacturer s instructions to determine if you need to apply an asphalt primer over the roof deck because some peel and stick products adhere more effectively with a primer. On this video i showed you how to prepare a basic flat roof step by step hope you learn something and. Install the rolled roofing first making sure it is cut tight to the plumbing vent.

Visit your local hardware store and ask for enough rolled roofing to fit the area of your roof. Install a lead flashing mark edges of flashing on the new roof. Rolled roofing consists of asphalt bound sheets coated with sand like granules. The term rolled roofing generally refers to a product called mineral paper which builders use as a primary roof covering on sloped residential roofs.

Then install metal vent flashing over the pipe coating the. Pull back 6 inches of the. Val ley flashing protects the valleys where two roof planes meet.