How To Install Modified Bitumen Roll Roofing

Modified bitumen is approved for flat roofs with minimal slope but roll roofing is not viable below a 2 12 pitch two inches of rise for each twelve inches of horizontal run with exposed nails or a maybe little lower with concealed nail installation.

How to install modified bitumen roll roofing. Step 3 prime the roof. Peel and stick modified bitumen roofing installation is more suitable for a diy job as there is no danger of fire and no fumes to contend with. Roll roofing and modified bitumen are both suitable for low slope roofs. After attaching the felt to the roof use a primer to prepare the roofing.

As with other types of modified bitumen materials the cost may be a bit higher than traditional asphalt roll roofing but the additional price is. Get a sheet of bitumen roofing and roll it out allowing an extension beyond the perimeter of the roof. Self adhering modified bitumen roll roofing is designed for flat roofs with a pitch or 4 12 or less typically found over shed type garages and second floor porches. Make sure the roofing is flat and free from creases and bubbles.

How to install peel and stick modified bitumen roofing. There are different primers available for sealing the concrete roofs. Start the process after step 5. Remove the adhesive film.

These steps show a torch down method which looks a bit scary but actually is not too difficult.