Install Flashing Rolled Roofing

Water can accumulate in the roofing or flashing on a flat roof causing ponding that will eventually result in rotted underlayment and a roof leak.

Install flashing rolled roofing.

Attach drip edge along the edge of the roof with roofing cement. How to install polymer bituminous flashing. Install roll roofing measure 35 inches up from the eaves at several intervals along the roof and mark them. Remove flashing and install a layer of roof cement within the marks.

Even if one piece of step flashing fails the flashing and shingle below it start the process over again. You will need 1 10 gallon of lap not mastic cement for every roll and 2 pounds of roofing nails for every square. Cut the sections of flashing with tin snips as needed and nail. Install drip edge flashings roofing felt and wsu if needed.

Step flashing step flashing redirects the water back onto the shingle. Install a lead flashing mark edges of flashing on the new roof. An underlayment of felt roofing is optional. Install a drip edge around the perimeter of the roof.

Install the rolled roofing first making sure it is cut tight to the plumbing vent. Install an asphalt roll surface with polymer bituminous flashing on a low pitched but not flat roof. Provide 6 inches of overlap under each side of the flashing. You can install roll roofing on your own but it goes more smoothly with a helper so grab a friend and get started.

In roofing one square equals 100 square feet. Prepare roof edges cant strips. Reinstall lead flashing mechanically fastening it to decking. How to install roof flashing against a wall.

This aluminum flashing protects the edges of the roof sheathing from water. Lay it from the bottom of the roof to the top ensuring 4 inches of overlap at each base line. Snap a chalk line as a guide for the first layer roofing. Do not use the eaves as a guide instead because they can be uneven.

Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Set it in a bed of roofing cement smooth out any creases and drive nails near the edges. Flat roof installation. On this video i showed you how to prepare a basic flat roof step by step hope you learn something and.

While this flashing is self adhesive it is. The roofing should overhang the eaves by inch except where you install drip edge flashing on top of the roofing along the rake edge.