Modified Bitumen Vs Pvc Roofing

Not one roofer quoted a mopped bitumen cap sheet roof until i asked.

Modified bitumen vs pvc roofing.

It is one of the strongest flat roof materials amongst tpo epdm and mod bit. These descriptions don t do justice to the potential of both modified bitumen and tpo roofing systems. Pvc is a plastic roof material that is formed by a gaseous reaction between oxygen hydrochloric acid and ethylene. When it comes to modified bitumen vs.

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. Epdm rubber tpo vinyl modified bitumen torch down rubber. Bitumen roof advantages and disadvantages. We specialize in the installation of customized single ply roof systems including those with tpo pvc and epdm membranes.

The modified bitumen seals down to the roof so there are no seams. Meet with kirtley and sons roofing to learn more about them discuss your needs and figure out the right solution for your flat roof. Sometimes bitumen roofing products like asphalt shingles can be recycled and used to construct new roads. It currently has tar and gravel.

I got a couple of estimates for a new roof. According to the american society of testing and materials astm a roofing membrane must have a breaking strength of around 200 ppi. I have quotes for pvc tpo torchdown. 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.

The two most commonly used roofing systems in commercial properties are tpo and modified bitumen. One of the buildings i own in san francisco needs a 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. Anyway i have confidence in the mopped modified bitumen roof but no experience with the rest of them.

Many modified bitumen roofs require two layers of roofing felt for durability and some applications can call for as many as three layers. 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. Modified bitumen features an advantage in this aspect since it is a multi ply roofing material. While they share many qualities with pvc systems they typically come at a lower cost.

One of the longer lasting roofing options for flat roofs is bitumen roofing or a modified bitumen roof.