NRCA Thermoplastic Practice Questions - NRCA ProCertified Thermoplastic Installer Exam

Which ASTM standard governs the material requirements for PVC (polyvinyl chloride) single-ply roofing membranes?

ASTM D6878 ASTM D4637 ASTM D4434 ASTM D1970

Correct Answer:

ASTM D4434

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