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Are wood or gypsum wallboard substrates acceptable for Lunada Bay Glass installations in wet areas?

April 26, 2017acceptable areas glass gypsum installations substrates wallboard wet wood

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Are wood or gypsum wallboard substrates acceptable for Lunada Bay Glass installations in wet areas?

1 Answer

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For wet areas, neither of these substrates is acceptable for direct application, not without a proper underlayment membrane. The most ideal substrate is a cement backer unit (CBU) such as: Durock, WonderBoard, C-Cure Board, PermaBase cement board, Util-A-Crete / ProTEC Backerboard, or Hardibacker Board installed to manufacturer recommendations. Additional products may include: Wedi Board, Georgia-Pacific / Denshield, type underlayments designed for wet area applications.