BPB. GlasRoc is a pliable sheathing constructed of reinforcing glass mats embedded in a water-resistant gypsum core under a paperless polymer-modified gypsum surface. Available in ½- and 5/8-inch panels, the mold- and mildew-resistant sheathing is coated in acrylic on its exterior face. No special tools or fasteners are required for installation, and the glass mats reduce skin irritation, says the maker. 813.286.3900. www.bpb.com.

James Hardie Building Products. Hardibacker tile backerboard's proprietary fiber-cement formula resists rotting, swelling, and deterioration when exposed to water. The lightweight board is non-abrasive and easy to score and cut, says the maker. It is offered in ¼- and ½-inch thicknesses. 800.942.7343. www.jameshardie.com.

Wedi GmbH. Wedi (pronounced “veddy”) board consists of an extruded polystyrene Styrofoam core, glass fiber mesh, and cementicious coating. Part of a system designed to be used in any traditional backerboard application, the panels are lightweight and available in 3-by-5-foot sheets in ¼-, ½-, 5/8-, ¾-, and 1-inch thicknesses. The board is waterproof to ASTM and ANSI standards. 770.992.5320. www.wedi.de.

United States Gypsum Co. Made from 95% recycled materials, Fiberock Aqua Tough interior panels can be used in wet areas, including tub surrounds, as well as for traditional drywall applications. The panels' gypsum fiber technology makes them water-resistant inside and out, according to the company. The ½- and 5/8-inch panels are offered in 36- and 48-inch widths, and lengths ranging from 5 to 12 feet. 800.874.4968. www.usg.com.

G-P Gypsum. Glass mats on the front and back of a moisture-resistant core give DensGlass Silver residential sheathing superior moisture and mold resistance, says the maker. It has been tested (per ASTM D 3273) to significantly reduce the risk for mold. The sheathing can be used for most conventional exterior siding and wall covering applications. 800.225.6119. www.gp.com/gypsum.

For more product information, visit ebuild.com, Hanley Wood's interactive product catalog.