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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.

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

526 Media Group

Publisher of two monthly magazines for LBM dealers and distributors—The Merchant Magazine, founded in 1922 to serve the western U.S., and Building Products Digest, formed in 1982 to serve east of the Rockies.

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