Modified bitumen roofing may have a granular surface as shown here or it may be smooth.
How to install modified bitumen roll roofing.
If you install the smooth product cover it with aluminum coating.
After attaching the felt to the roof use a primer to prepare the roofing.
Roll roofing and modified bitumen are both suitable for low slope roofs.
Remove the adhesive film.
There are different primers available for sealing the concrete roofs.
How to install peel and stick modified bitumen 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.
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.
Get a sheet of bitumen roofing and roll it out allowing an extension beyond the perimeter of the roof.
The beginning of a peel and stick installation starts out the same as the torch down.
Make sure the roofing is flat and free from creases and bubbles.
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.
Start the process after step 5.