Install Flashing Rolled Roofing

Nail the roofing strips parallel to the roof edge set in 1 and 8 from the roof edge with nails spaced 4 o c.

Install flashing rolled roofing.

How to install roof flashing against a wall. Set it in a bed of roofing cement smooth out any creases and drive nails near the edges. Install the rolled roofing first making sure it is cut tight to the plumbing vent. Even if one piece of step flashing fails the flashing and shingle below it start the process over again.

In roofing one square equals 100 square feet. You will need 1 10 gallon of lap not mastic cement for every roll and 2 pounds of roofing nails for every square. Provide 6 inches of overlap under each side of the flashing. On this video i showed you how to prepare a basic flat roof step by step hope you learn something and.

Install a drip edge around the perimeter of the roof. While this flashing is self adhesive it is. Do not use the eaves as a guide instead because they can be uneven. Reinstall lead flashing mechanically fastening it to decking.

You can install metal valley flashing but it is common to simply apply an 18 inch wide strip of roll roofing instead. Attach drip edge along the edge of the roof with roofing cement. Install a lead flashing mark edges of flashing on the new roof. An underlayment of felt roofing is optional.

Install an asphalt roll surface with polymer bituminous flashing on a low pitched but not flat roof. Remove flashing and install a layer of roof cement within the marks. Install roll roofing measure 35 inches up from the eaves at several intervals along the roof and mark them. Flat roof installation.

Install drip edge flashings roofing felt and wsu if needed. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. 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. Cut the sections of flashing with tin snips as needed and nail.

Step flashing step flashing redirects the water back onto the shingle. Snap a chalk line as a guide for the first layer 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. Prepare roof edges cant strips.

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. Lay it from the bottom of the roof to the top ensuring 4 inches of overlap at each base line.