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What is the proper material for installing ceramic tile over exterior grade plywood?

April 26, 2017ceramic tile exterior grade material plywood

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What is the proper material for installing ceramic tile over exterior grade plywood?

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C-Cure has several single component, polymer-modified mortars for bonding to exterior-grade plywood. These materials have an EGP (Exterior Grade Plywood) designation on the literature and on the packaging. We highly recommend PRO M-FLEX STRATA 914 for this purpose. This flexible EGP mortar provides 48% higher flexural strength than conventional mortars. Special attention should be given to the directions for proper spacing of the plywood and perimeter expansion joints on installations over exterior grade plywood. See EJ171 in TCA Handbook for detailed specifications.