How To Install Rolled Roofing On A Flat Roof

How to install roll roofing on flat or pitched roofs how to install roll roofing on a flat or pitched roof with your own hands.

How to install rolled roofing on a flat roof.

Roll roofing a small flat roof with greg zanis weatherwatch this quality gaf leak barrier helps keep water out of the most vulnerable areas of your roof inc. The first layer should cover the roof as far as the chalk line. Prepare a valley between joined roofs by cutting a strip that is 18 inches wide and covers the entire length of the valley. The piece should overlap the lower course by at least 4 inches.

Apply about two inches worth of cement under either side to seal the roofing down and then nail it down making sure it still stays flat and even as you go. Modern technologies have significantly improve the performance of bitumen roll materials to extend their service life of up to 15 25 years and made them more universal. Nail it in place with roofing nails that penetrate at least 3 4 inch into. Cut a hole in the roll roofing and slip it over as well.

Place the first layer of rolled roofing on the roof. As you place the rolled roofing down stretch it to get rid of wrinkles and creasing. To seal a plumbing vent spread roofing cement around the pipe. Roll out the first sheet and ensure that it lies flat and even.