Flat Roof Rolled Roofing Overlap

The piece should overlap the lower course by at least 4 inches.

Flat roof rolled roofing overlap.

Nail the roofing in place with short roofing nails spaced 6 inches apart and 1 inch in from the outer edges of the roll roofing. Ft sbs self adhering cap sheet roll for low slope roofing in black. To seal a plumbing vent spread roofing cement around the pipe. Roll out and cut another full length piece of rolled roofing.

Cut a hole in a piece of roofing about 2 feet wide and slip it over the pipe. Pull back 6 inches of the release paper in order to position the start of the roofing sheet accurately. Sbs roll roofing overlap width is commonly 3 4 or 3 6 varying by product and also referred to as the selvage edge width. Asphalt roll roofing peel and stick roofing torch down roofing flat roof brown roll roofing roofing materials.

Align the length of roll roofing with the lowest edge of the flat roof and flush to the side edge of the roof. Cut a hole in the roll roofing and slip it over as well. 2 or 3 varies by manufacturer or 16 12 or 9 exposure for 2 3 or 4 ply roofs respectively. Roll roofing overlap horizontal choose the overlap width according to the number of plies of roof to be installed.

Apply lap cement along the inner long edge of the first piece of roofing. Overlap one of the long edges onto the edge of the first and. Embed both roofing pieces in cement.