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Tub to Cement Board

Should I use 100% silicone, Laticrete adhesive and sealant, or thin set for the 1/8" gap between tub and backer board? I will be using Hydro Ban membrane for water proofing. I couldn't find any info whether or not Hydro Ban will adhere to 100% silicone.


Thanks!


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Isaac Ostrom
Isaac Ostrom
Jun 28, 2022

I would do Hydro Ban first, then use silicone or similar to seal the gap after the Hydro Ban is dry.

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