Modified Bitumen Vs Pvc Roofing
I got a couple of estimates for a new roof.
Modified bitumen vs pvc roofing. The two most commonly used roofing systems in commercial properties are tpo and modified bitumen. The 3 most common roof systems used in the us with their advantages and disadvantages explained. 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. Many modified bitumen roofs require two layers of roofing felt for durability and some applications can call for as many as three layers.
I have quotes for pvc tpo torchdown. Tpo roofing we prefer tpo because it is a superior product. We specialize in the installation of customized single ply roof systems including those with tpo pvc and epdm membranes. Modified bitumen features an advantage in this aspect since it is a multi ply roofing material.
When it comes to modified bitumen vs. One of the buildings i own in san francisco needs a roof. It currently has tar and gravel. Epdm rubber tpo vinyl modified bitumen torch down rubber.
One of the longer lasting roofing options for flat roofs is bitumen roofing or a modified bitumen roof. 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. These descriptions don t do justice to the potential of both modified bitumen and tpo roofing systems. Single ply roofing systems or membrane roofs include epdm tpo and pvc roofing.
Not one roofer quoted a mopped bitumen cap sheet roof until i asked. Anyway i have confidence in the mopped modified bitumen roof but no experience with the rest of them. The modified bitumen seals down to the roof so there are no seams. It is one of the strongest flat roof materials amongst tpo epdm and mod bit.
Sometimes bitumen roofing products like asphalt shingles can be recycled and used to construct new roads. Bitumen roof advantages and disadvantages. Meet with kirtley and sons roofing to learn more about them discuss your needs and figure out the right solution for your flat roof. Modified bitumen one potential area of concern with single ply roofing membranes including tpo epdm and pvc is that although these roof membranes are durable sharp objects and collisions can still rip through the single ply of the membrane.
According to the american society of testing and materials astm a roofing membrane must have a breaking strength of around 200 ppi.