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What is a crack isolation membrane?

April 26, 2017crack isolation membrane

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What is a crack isolation membrane?

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A crack isolation membrane is a thin membrane that isolates thin-set ceramic tile and dimensional stone from minor in-plane substrate cracking. The crack isolation membrane can be trowel applied, a liquid or a sheet membrane, that the tile or dimensional stone is direct bonded to. Please see ANSI A118.12 for additional guidelines. Current crack isolation membranes from TexRite; UniFlex trowel applied, HydroRite liquid membrane, and the NAC products line which are all sheet type membranes.