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CertainTeed Diamondback 3-ft x 5-ft x 1/2-in Water resistant Gypsum Backer Board 1.0 Sheets

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  • High performance, water-resistant gypsum tile backer board produced with CertainTeed’s patented, proprietary Embedded Glass Reinforced Gypsum (EGRG®) Technology

  • Unique patent pending texture coating and pattern design creates a superior bond between the board surface and tile adhesive that helps prevent tile slippage during installation

  • Lighter weight than typical gypsum, cement and fiber cement backer boards

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