SC Roofing Practice Questions - South Carolina Roofing Contractor Examination Exam

Between courses of wood shakes, IBC 1507.9 requires interlayment that complies with:

ASTM D1970 self-adhered ice barrier on every course ASTM D226, Type I A full layer of 90-mil EPDM No interlayment; shakes are laid dry to the weather

Correct Answer:

ASTM D226, Type I

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