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High-Density Cover Boards

ProtectoR HD High Density Polyiso Cover Board by John’s Manville provides excellent protection and can save time and expense for contractors. With a closed cell polyiso foam core and inorganic coated glass facers, the high-density cover board has a Grade 1 compressive strength and an R-value of 2.5.

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ProtectoR HD High Density Polyiso Cover Board by John’s Manville provides excellent protection and can save time and expense for contractors. With a closed cell polyiso foam core and inorganic coated glass facers, the high-density cover board has a Grade 1 compressive strength and an R-value of 2.5.

The product offers excellent resistance to moisture, hail, wind uplift and puncture, plus its light weight makes it easy to handle.

For additional information visit JM.COM or call (800) 654-3103

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