Multiple Ply Modified Bitumen Roof Membrane

Synthetic rubber thermoset modified bitumen and thermoplastic membrane.

Multiple ply modified bitumen roof membrane. Environment weather and even the use of the building can affect which adhesive is right for the job. Both can be used on commercial roofs and the best choice often depends on the business owners roofing needs and goals. Modified bitumen has been around since the late 1800 s. Maintenance to sleep at night.

They have 3 types. These reinforced rolled sheets can be adhered by. We also cover spray applied foam and liquid roofing options. It contains a base sheet with no granule and a cap sheet with granule protection.

What are modified bitument roofs. The shortcomings of single ply and typical asphalt can be largely avoided by using roofing materials that combine multiple membrane layers sealed with an enhanced form of asphalt called sbs modified bitumen. Modified bitumen roof system is a two ply application waterproofing system. Modified bitumen roofs have been used in the u s.

Using hot asphalt fused by torching the sheets together or cold applied using adhesives or peel stick. Designed for flat or low sloped applications the modified bitumen roofing system has a long proven track record. Modified bitumen is an evolution of asphalt roofing and they are made using asphalt along with a variety of rubber modifiers and solvents. Modified bitumen roof systems typically consist of one two or three ply systems.

Like built up roofing bur it is usually installed on low slope and flat roof structures. Many of our commercial roofing customers do not know the differences between modified bitumen and single ply roofing systems. But how do you know which choice is best for your project. It is asphalt based and has multiple layers of composite materials to increase flexibility and durability.

During the 1950 s sbs modified bitumen also known as torch on roofing was. Modified bitumen is a type of membrane roofing. Common flat roof membranes discussed in this article include built up asphalt tar and gravel modified bitumen and single ply membranes like epdm pvc tpo and kee. There are two types of modified bitumen membranes app and sbs.

The most popular version of this was the old tar and gravel roofing membrane. Application of this type of roofing is less labor intensive than the built up roofing method that applies several layers to create a waterproof membrane. Modified bitumen roofing systems. Membrane roofing is often used on commercial flat roofs.

Originally it was primarily used against a building s foundation however it eventually made its way up on to the roof.