Road American
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What technical requirements define modified bitumen roof details for asphalt or bitumen modification?
Modified bitumen roofing requires specific technical details to ensure performance and longevity. Key requirements include the use of polymer-modified bitumen, which enhances flexibility and UV resistance. Proper substrate preparation is essential, including a clean, dry surface. Installation must adhere to manufacturer specifications, including appropriate overlap and sealing methods. Additionally, the roofing system should accommodate thermal expansion and contraction, with adequate drainage to prevent water pooling. Compliance with local building codes and standards is also critical.
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