Built Up Roofing

Built-up Roof Systems (BUR) and Modified Bitumen Roof Systems are asphalt-based, multi-ply roof systems that can be applied using hot asphalt, cold adhesive, or torch-applied (Modified only).

Built-Up Roof Systems consist of layers or plies of roofing felts, between which asphalt or bitumen is applied. Built-up roofing is one of the oldest systems available.  Its multiple layers provide extra protection and perform well in extreme weather conditions. They are easy to repair and ideally suited for applications requiring a high level of redundancy.

Modified Bitumen systems combine exceptional elongation and fatigue resistance properties with the strength of a glass-reinforced polyester mat and are available in white, black, and other granule surface colors.

Greystone Roofing has grown into a leading commercial and industrial roofing company throughout Texas and Oklahoma. We specialize in flat, low sloped, metal re-roofing applications, commercial, industrial and multi-family installations.

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