Rolled Roofing Vs Modified Bitumen

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.

Rolled roofing vs modified bitumen. No matter what type of method was used to install the modified bitumen they all have on thing in common that is a good seal. Modified bitumen an asphalt based multi ply flat roofing system is considered a modern take on its close cousin bur or built up roof. Modified bitumen is installed in multiple layers multi ply roof each of which is torched to the surface below at every turn of the roll. It may be a heat applied modified.

That might be a little harder to identify at first. Sometimes bitumen roofing products like asphalt shingles can be recycled and used to construct new roads. Roll roofing and modified bitumen are both suitable for low slope roofs. Bitumen roof advantages and disadvantages.

Modified bitumen is a type of asphalt product that can be applied in a number of ways to the roof in both hot and cold temperatures. Look under rolled roofing see if its a roll that has been nailed to the deck versus a base sheet and a cap sheet. Quick facts and cost installed. One of the longer lasting roofing options for flat roofs is bitumen roofing or a modified bitumen roof.

Modified bitumen is a roofing membrane consisting of asphalt and plastic or rubber polymers and is therefore widely considered an evolution of asphalt built up roofing bur. The modified bitumen seals down to the roof so there are no seams. Some laymen erroneously call modified bitumen roll roofing since it does come in a roll but the more accepted definition of roll roofing is the cheap 90 granulated material just as trg has already stated. This roof system has two types.

The modified will be one with a base and cap. The two most commonly used roofing systems in commercial properties are tpo and modified bitumen. Modified bitumen roofing has been around since the 1970s and tpo developed later in the 1990s but they both are ideal for all types of weather and have advantages and disadvantages. Modified bitumen displays the built in redundancy of asphalt built up as well as the uv resistance and flexibility of a modified membrane.