How To Install Modified Bitumen Roll 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.

How to install modified bitumen roll roofing.

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. Modified bitumen roofing may have a granular surface as shown here or it may be smooth. How to install peel and stick modified bitumen roofing. If you install the smooth product cover it with aluminum coating.

Get a sheet of bitumen roofing and roll it out allowing an extension beyond the perimeter of the roof. Start the process after step 5. Roll roofing and modified bitumen are both suitable for low slope roofs. There are different primers available for sealing the concrete roofs.

After attaching the felt to the roof use a primer to prepare the 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. These steps show a torch down method which looks a bit scary but actually is not too difficult. Remove the adhesive film.

Step 3 prime the roof.