International Council of Employers of Bricklayers & Allied Craftworkers

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Q&A: Particleboard Under Tile

Q: We will be installing ceramic tile flooring in the kitchen of an existing house. The subfloor consists of 1/2-inch plywood over 3/4-inch particleboard (not OSB). The joists are spaced 16-inches on-center. My plan is to install 1/2-inch cementitious bac More

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