Modified Bitumen Vs Built Up Roof

Bur roof systems have been utilized for over 100.

Modified bitumen vs built up roof.

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 what are bur and mod bit. First although an app modified bitumen roof is designed to resist uv light damage blistering cracking and oxidation a lack of standards led some manufacturers to skimp on the addition of the app modifier. A built up roofing system is installed by alternating layers of bitumen and reinforced fabric.

This caused the roof to underperform. Second although the gravel spread over a modified bitumen roof is intended to offer uv and hazard. Modified bitumen displays the built in redundancy of asphalt built up as well as the uv resistance and flexibility of a modified membrane. Flat roofs are one of the most popular roofing designs and yet still one of the best investments for most of the facilities.

January 22 2019 share the wealth. However these have now been replaced by modified bitumen. Build up vs modified bitumen vs rubber membrane flat roofing. Built up roofing systems were once a popular solution for commercial and other flat or low sloped roofs.

Whatever the reason these time sensitive requests require contractors who can quickly provide a roof proposal and get to work. Pros of the build up roof. November 19 2014 9 48pm 1. Built up roof membranes bur and modified bitumen mod bit are generally composed of alternating layers of bitumen and reinforcing fabrics that create a finished membrane.

Benefits of bur and mod bit time tested defense. In the 1970s modified bitumen roofing was introduced to the us roofing market and it quickly caught on. 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. However the type of materials used for the flat roofs depends a lot on your locality.

Modified bitumen roofs have a lot of advantages over other types of membrane roofing and are often seen as the modern alternative to the built up roof. I have a flat section of roof on my house that needs to redone. Maybe their roof suffered storm damage or they re selling their home or they ve found a leak that s damaging their ceiling. 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.

I need some advice and or opinions about these types of roofs. I had this roof completely torn off and redone bur approx 11 years ago. Often when a homeowner calls you for a roof repair or replacement time is of the essence. If needed a base sheet can be fastened to the roof to create a flat and safe work space.