Modified Bitumen Flat Roof System

Engineered modified bitumen roofing membranes originated in europe in the mid 1960 s and have been used successfully in the united states and canada since approximately 1975.

Modified bitumen flat roof system.

It s suitable for multiple types of decks and shows proven performance. Learn about modified bitumen sbs roofing systems. Modified bitumen roofs are single ply systems that are most often roll applied to the roof surface. Get to know more about one of the most popular commercial roofing systems.

One of the biggest disadvantages however is that many major commercial roofing contractors have stopped installing them mostly due to the surge in popularity of tpo roofs. They are similar to asphalt roofs but they have additional polymers in their materials that provide added protection from the elements and help in increase the lifespan of the product. Modified bitumen an asphalt based multi ply flat roofing system is considered a modern take on its close cousin bur or built up roof. It comes in rolled sheets that are 3 feet wide and up to 36 feet long.

The sheets are rolled onto the roof atop a base sheet membrane. Modified bitumen roofing has been around since the 1970s when it was developed to address ongoing issues with traditional asphalt roofs tpo roofs have been around since the 1990s. Modified bitumen sbs roofing systems. Two of the commercial flat roof systems commonly found in the northeast are modified bitumen and thermoplastic polyolefin tpo.

Offers great flexibility impact resistance strength and system compatibility. One of the longer lasting roofing options for flat roofs is bitumen roofing or a modified bitumen 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. Modified bitumen flat roofs one of the primary benefits of using a modified bitumen roof is that it comes at a lower cost to install.

Firestone sbs modified bitumen roofing systems incorporate a synthetic rubber based technology which yields exceptional flexibility even in extremely low temperatures. Modified bitumen roofing is a flexible asphalt based material with a mineral top coating similar to traditional asphalt shingles. No filters are available. Modified bitumen mb roofing is an asphalt based close cousin of the built up roof bur designed for buildings with low slope or flat roof structures.