When it comes to the design of commercial buildings, more and more architects are opting for low-sloped roofs. Low-sloped roofs cost less to build, reduce the total volume of conditioned air in the building, and conveniently provide an out-of-the-way location for heating, cooling and fire suppression equipment. Specifying a roofing material for low-sloped roofs traditionally meant built-up roofing (BUR) and using asphalt or coal tar. Recently though, variations on single-ply roofing membranes have dominated the market. With so many options, styles, and technologies available, it is more important than ever that architects understand the differences between single-ply roof membrane systems and where best to specify these.
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