High-performance cover board

ProtectoR HD high-density polyiso cover board has a closed-cell polyiso foam core and inorganic coated glass facers. The lightweight board has a Grade 1 compressive strength, an R-value of 2.5, and provides resistance to moisture, hail, wind uplift, and puncture. The product is said to have the lowest fastening rates in the market for an HD polyiso cover board; as much as 50% fewer fasteners are needed to achieve FM I-90.

Johns Manville, Denver
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