Information about Modified APP & SBS Roofing.
Modified Bitumen is asphalt that has compounds added that change its composition, giving it a more pliable and rubber like consistency. Typically, the added modifiers are APP (Atactic Polypropylene) and SBS (Styrene Butadiene Styrene). Modified Bitumen roofing systems are considered one of the best options for residential commercial and industrial applications.
EXTREEMLY DURABLE: Modified Bitumen is one of the best options for wind, hail and weather resistance, as well as superior resistance to water and fire damage.
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