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JimS 04-18-2009 11:54 AM

Vanity on Backerboard
Does anyone know if I can place my new 48" double vanity directly on the AquaTough FiberRock backerboard or should a lay a piece of wood down? The backerboard is already over wood subflooring.


JazMan 04-18-2009 12:52 PM

Why would you think there might be a problem doing that? It's just sittin there.

How did you install the board? What are you installing on it?


JimS 04-18-2009 08:09 PM

I followed the manufacturer's instructions for installing it over wood subflooring. The backerboard seems like it can dent almost as easily as drywall, so I wasn't sure I should put a big heavy thing right on it. My vacuum made a few marks on it so I lost some confidence in its durability. I thought the vanity might sink a little over time and become unlevel.

R&D Tile 04-18-2009 08:31 PM

If tiling, tile it, then set the vanity, no cutting around it then.

JazMan 04-18-2009 09:58 PM

Yes, you should install the tiles first. Why not, or are you doing something different?


JimS 04-19-2009 11:39 AM

I will install the tiles first. I guess I was going by the old vanity which was directly on the wood subflooring, but that just didn't seem right for backerboard.

Thanks everyone!

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