How To Install Rolled Roofing On A Flat Roof

Roll out the first sheet and ensure that it lies flat and even.

How to install rolled roofing on a flat roof. The piece should overlap the lower course by at least 4 inches. Nail it in place with roofing nails that penetrate at least 3 4 inch into. 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. As you place the rolled roofing down stretch it to get rid of wrinkles and creasing.

Prepare a valley between joined roofs by cutting a strip that is 18 inches wide and covers the entire length of the valley. Cut a hole in the roll roofing and slip it over as well. Cut a hole in a piece of roofing about 2 feet wide and slip it over the pipe. 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.

Place the first layer of rolled roofing on the roof. The first layer should cover the roof as far as the chalk line. Push the rolled roofing down into the wet cement to secure it to the roof. To seal a plumbing vent spread roofing cement around the pipe.