SC Roofing Practice Questions - South Carolina Roofing Contractor Examination Exam

Polyiso facers alone always provide the tested adhesive surface and hail resistance, so a cover board is only decorative The cover board replaces the membrane in hail zones Ballast cannot be used on any adhered roof, so the board is required by OSHA The board gives a smooth, dimensionally stable surface for the adhesive and protects the foam from puncture, hail, and foot traffic