Install Flashing Rolled Roofing

The roofing should overhang the eaves by inch except where you install drip edge flashing on top of the roofing along the rake edge.

Install flashing rolled roofing.

Flat roof installation. Remove flashing and install a layer of roof cement within the marks. Set it in a bed of roofing cement smooth out any creases and drive nails near the edges. Cut the sections of flashing with tin snips as needed and nail.

Snap a chalk line as a guide for the first layer roofing. Provide 6 inches of overlap under each side of the flashing. An underlayment of felt roofing is optional. Install an asphalt roll surface with polymer bituminous flashing on a low pitched but not flat roof.

How to install roof flashing against a wall. Do not use the eaves as a guide instead because they can be uneven. Attach drip edge along the edge of the roof with roofing cement. You can install metal valley flashing but it is common to simply apply an 18 inch wide strip of roll roofing instead.

You will need 1 10 gallon of lap not mastic cement for every roll and 2 pounds of roofing nails for every square. This aluminum flashing protects the edges of the roof sheathing from water. Install roll roofing measure 35 inches up from the eaves at several intervals along the roof and mark them. Install a drip edge around the perimeter of the roof.

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. Nail the roofing strips parallel to the roof edge set in 1 and 8 from the roof edge with nails spaced 4 o c. Step flashing step flashing redirects the water back onto the shingle. While this flashing is self adhesive it is.

Even if one piece of step flashing fails the flashing and shingle below it start the process over again. How to install polymer bituminous flashing. You can install roll roofing on your own but it goes more smoothly with a helper so grab a friend and get started. Install drip edge and install 9 cant strips of roll roofing material along the rake and eaves edges gable ends and lower roof edge such that the roofing strip overhangs the roof deck by 1 4 to 3 8.

Install a lead flashing mark edges of flashing on the new roof. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Prepare roof edges cant strips. On this video i showed you how to prepare a basic flat roof step by step hope you learn something and.

In roofing one square equals 100 square feet. Install the rolled roofing first making sure it is cut tight to the plumbing vent.