Modified Bitumen Vs Built Up Roof

Often when a homeowner calls you for a roof repair or replacement time is of the essence.

Modified bitumen vs built up roof.

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. 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. 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.

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. 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 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. However the type of materials used for the flat roofs depends a lot on your locality.

I need some advice and or opinions about these types of roofs. Built up roofing systems were once a popular solution for commercial and other flat or low sloped roofs. Bur roof systems have been utilized for over 100. November 19 2014 9 48pm 1.

Second although the gravel spread over a modified bitumen roof is intended to offer uv and hazard. Built up roof bur vs modified bitumen roof torch down roofing construction questions. Modified bitumen displays the built in redundancy of asphalt built up as well as the uv resistance and flexibility of a modified membrane. However these have now been replaced by modified bitumen.

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. A built up roofing system is installed by alternating layers of bitumen and reinforced fabric. I had this roof completely torn off and redone bur approx 11 years ago. I have a flat section of roof on my house that needs to redone.

January 22 2019 share the wealth. 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. 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.

This caused the roof to underperform. Modified bitumen what are bur and mod bit. If needed a base sheet can be fastened to the roof to create a flat and safe work space. Flat roofs are one of the most popular roofing designs and yet still one of the best investments for most of the facilities.