If you re looking for 2020 breakdown for cost of modified bitumen roof materials and what installation cost might be you ve come to the right place.
Installation of modified bitumen roofing.
A modified bitumen roof mbr also known simply as a bitumen roof is a type of built up roofing system that s designed for installation on a flat or low slope roof.
Installation methods for modified bitumen roofs a torch applied or torchdown roof starts with a nonflammable base sheet made of asphalt saturated felt or fiberglass that is mechanically attached to the roofing deck.
Modified bitumen roofing may have a granular surface as shown here or it may be smooth.
If you install the smooth product cover it with aluminum coating.
As an experienced licensed home improvement contractor i know first hand what it should cost for various levels from basic better and of course the best.
Modified bitumen is composed of layers of bitumen that have been blended with synthetic rubberized polymers.
After attaching the felt to the roof use a primer to prepare the roofing.
Demonstrating how torch applied modified bitumen felt membranes are installed along with high performance insulation to create a warm roof construction.
In residential construction the base sheet is usually attached with roofing nails driven through metal caps.
Get a sheet of bitumen roofing and roll it out allowing an extension beyond the perimeter of the roof.
There are different primers available for sealing the concrete roofs.
These steps show a torch down method which looks a bit scary but actually is not too difficult.
Renting a large propane torch is inexpensive.
Using a weighted roller roll over the entire surface of your roof paying particular attention to the overlap.