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BUR vs. Modified Bitumen Roofing Systems by christopher Paulin is a document available to read on EtoBox.

What is BUR vs. Modified Bitumen Roofing Systems about?

Modified bitumen roofing systems are an alternative to conventional built-up roofing (BUR) systems. They substitute factory-fabricated layers of asphalt modified with atactic polypropylene (APP) or styrene-butadiene-styrene (SBS) polymers for some of the field-applied layers of hot asphalt and felt or fiberglass. Modified bitumen systems provide improved strength, weatherability, and warranties compared to conventional BUR. APP systems are typically torch-applied while SBS can also be installed with hot asp

Author

christopher Paulin

Language

EN