Installing a tub in basement against one wall already drywalled


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Old 09-01-07, 11:50 AM
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Installing a tub in basement against one wall already drywalled

Is it ok for me to intall a bathtub against a wall that is drywalled already? I'm finishing my basement in the townhouse and the shared wall that the tub will be up against is already drywalled. I was just planning on installing the tub against the drywall and then installing the greenboard overtop of the current drywall.

Thanks
 
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Old 09-01-07, 12:23 PM
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Its not normally done that way. One reason is the drain may not line up. You indicate you will be using green board over this strata. Don't. If you are tiling it, install a vapor barrier and cbu (concrete backer underlayment) to install your tile on. Greenboard is moisture "resistant", not waterproof, so it will not be impervious to water splashed on it. Nor is it a good base for tile. Before you install the final cbu, install 1/4" lattice strips vertically over the existing stud locations. This will bring your wall level even with the flushness of the tub lip, which is 1/4" wide and allow you to drop the cbu over the nailing fin to within 1/4" of the tub itself.
 
 

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