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What is the recommended thickness for ceramic tile floor backerboard?

April 26, 2017backerboard ceramic tile floor recommended thickness

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What is the recommended thickness for ceramic tile floor backerboard?

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6mm (1/4″) is recommended for ceramic tile backer board on floors that is screwed over the plywood sub-flooring, floor boards or old finished flooring. We recommend a thin layer of floor mix between the sub-floor and the magnesiacore to eliminate voids.