SC Roofing Practice Questions - South Carolina Roofing Contractor Examination Exam

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What is the primary reason NRCA membrane assemblies place a cover board over rigid foam insulation before a fully adhered single-ply?

To provide a stable, puncture-resistant substrate for adhesion and to protect the foam from hail, traffic, and fastener energy To replace the need for a vapor retarder in every climate To increase the finished roof slope from 1/8:12 to 1/2:12 without tapered insulation To serve as the finished waterproofing layer if the membrane is delayed

Correct Answer:

To provide a stable, puncture-resistant substrate for adhesion and to protect the foam from hail, traffic, and fastener energy

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