National Gypsum's PermaBase® brand cement board is the ideal substrate for your tile work. Constructed of a cementitous core sandwiched between two layers of fiber mesh, it is the only product in the industry with a patented, double-wrapped Edge-Tech® design. The double-wrapped edge allows for closer application of nails and screws to the edge without crumbling or spinout. This EdgeTech design also means a smoother edge for handling and better protection from warehouse and jobsite damage.
While the double-wrapped EdgeTech design would be enough to set it apart from the rest of the cement board group, National Gypsum goes much farther with the PermaBase product line. By creating a more homogenous core, PermaBase has very clean score and snap characteristics. This proprietary core also has the lowest water absorption available which allows for a more accurate open time with setting materials and a better tile bond.
One of the final keys to the PermaBase success story is that true cement boards are naturally mold resistant, attaining a perfect score of 10 when tested per ASTM D 3273 and G 21, without the need of additional chemicals such as fungicides. It also meets the 2006 IRC and IBC code standard for tile substrates in wet areas.
PermaBase is the ideal substrate for interior floors, walls and countertops; as well as sauna and steam rooms. Exterior applications include floors, walls, columns and soffits. PermaBase Cement Board is available in a variety of sizes and thicknesses including 1/4-inch, 1/2-inch, and 5/8-inch, in widths of 3 and 4 feet, with lengths of 4 to 8 feet. For curved applications, PermaBase Flex offers the ability to achieve a 90-degree radius in as little as 6 inches without wetting or scoring the product.
PermaBase Brand Cement Board by National Gypsum has the features and performance standards to meet the needs of your next tile project. - if you haven't tried it, now is the time.
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