SC Roofing Contractor Practice Questions - South Carolina General Contractor - Roofing Subclass Exam

What is the difference between SBS and APP modified bitumen roofing?

SBS is flexible in cold weather; APP is more rigid and heat-resistant SBS is only for flat roofs; APP is only for steep slopes SBS uses coal tar; APP uses petroleum asphalt They are the same product with different brand names

Correct Answer:

SBS is flexible in cold weather; APP is more rigid and heat-resistant

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