SC Roofing Practice Questions - South Carolina Roofing Contractor Examination Exam

Which statement correctly distinguishes SBS from APP polymer-modified bitumen?

Both must be seamed with EPDM tape APP is always nailed as a steep-slope shingle; SBS is a metal-panel coating SBS (styrene-butadiene-styrene) is commonly mopped, cold-adhered, or heat-welded; APP (atactic polypropylene) is commonly torch-applied because the APP blend is formulated for torch work SBS cannot be used below 2:12; APP can be used dead-level without drainage

Correct Answer:

SBS (styrene-butadiene-styrene) is commonly mopped, cold-adhered, or heat-welded; APP (atactic polypropylene) is commonly torch-applied because the APP blend is formulated for torch work

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