
National Gypsum.PermaBase Cement Board's patented EdgeTech double-wrapped edge design allows for closer application of nails or screws at the edge without crumbling or spinout. The material is impact-, moisture-, and rot-resistant. Original PermaBase can be used both indoors and outdoors, while ¼-inch PermaBase is useful in kitchen, tub surround, flooring, and other applications, making it ideal for remodeling, the maker says. PermaBase Flex is a bendable polymer-modified cement board used to achieve an evenly curved surface around ceilings, columns, arches, and more.

Carlisle Coatings & Waterproofing. Useful for all types of residential roofing, the EZ-Roof Base protects both the roof deck and interior spaces from the elements. The synthetic felt material won't buckle or wrinkle and is impervious to cracking and rotting, the maker says. Its high wind resistance is also beneficial in areas prone to turbulent weather or hurricanes. Available in high-roll coverage of 5 feet by 200 feet.
Georgia-Pacific. By using glass-mat facings instead of paper facings, DensArmor Paperless Interior Drywall removes a potential food source for mold. Featuring a moisture-resistant core reinforced with glass fibers, the ½-inch material is available in 4-by-8-foot and 4-by-12-foot sheets. Installed and finished like traditional gypsum drywall, the sheets resist warping, rippling, and buckling.
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