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Built-Up

Gravel Surface


A Built Up Roof with a gravel surface, commonly referred to as BUR Gravel is a very durable roofing system comprised of multiple layers of asphalt and saturated felt with some form of gravel (rocks) spread over the entire system as its top layer. The drawback is replacement costs. The life cycle of a Gravel BUR is typically fifteen to twenty years. Near the end of its serviceable life the asphalt dries out and eventually cracks. The flashing detail around penetrations begin to be a problem and may be the reason for leaks in the building. American Weatherstar has multiple options to restore this system without the cost of a tear-off.
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Smooth Surface


A Smooth Surface Built Up Roof, commonly referred to as Smooth BUR, is an inexpensive roofing system comprised of multiple layers of asphalt and saturated felt material. The drawback to these roofs is that they are not very durable and do not have a long service life. The life cycle of a Smooth BUR is typically ten years. Near the end of its serviceable life the seams, and flashing detail around penetrations begin to be a problem and may be the reason for leaks in the building. On a very positive note a built-up roof is typically a very good candidate for a fluid applied restoration system.

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