USG's Sheetrock Gypsum Liner Panels have a mold-resistant blue face and back paper that resists damage from wetting better than previous versions, according to the manufacturer. The 1-inch-thick panels are made primarily for area-separation walls and are manufactured in 24-inch widths in lengths from 8 to 12 feet. The maker claims that the liner panels perform similarly to fiberglass-faced panels but without the skin irritation. The liner panels sell for about 50¢ per square foot.


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