backer board for ceramic tile

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  #1  
Old 11-22-00, 07:58 PM
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Is durock essential to tiling around a tub or will green board be sufficient?
 
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Old 11-23-00, 01:50 AM
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Greenboard will work just fine
 
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Old 11-23-00, 03:12 AM
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Hi w5lhm;
ABSOLUTELY DO NOT USE GREENBOARD AROUND A TUB ENCLOSURE!!!!use a concrete backerboard or hardibacker. Greenboard will rot away over time. As a matter of fact both the T.C.A. (Tile Council of America) and A.N.S.I. have removed green"boo"ard from there "wet areas" list 2 years or so ago it is not the stuff to use in wet areas ,it will rot, take it from a guy that has rebuilt literally hundreds of showers and tub surrounds that had that garbage installed around it. Get a backerboard that is rated for wet areas. Wonderboard, Durock, GlassCrete, and Hardibacker are all ok follow the directions for the one you chose and you will have a tile job that will stand the test of time!!!!
Regards and Good Luck
Happy Thanksgiving
Rich Gately (Tileman1) www.gatelytilecompany.homestead.com
 
  #4  
Old 11-23-00, 09:16 AM
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Rich pretty much said it. A good portion of our business consists of tearing out rotted "sheetrock showers." and replacing them using the mud method (essentially re-inforced concrete). Here in Houston the job costs the homeowner and the insurance company around $3,000 for a typical stall shower.

I would, however, install greenboard onto the studs to form the bathroom wall. I would then use sheet plastic as a moisture barrier, and then install cement backer in the area to be tiled. Use radius bull nose to cover the edges of the backer.

The moisture barrier is important because the cement board tends to "wick." It sucks up moisture. The plastic keeps it from getting to the greenboard, which in turn keeps everything away from the wood framing. The sheetrock also increases the stiffness of the backer board, which isn't very stiff by itself.

When you are finished, seal everything with a good penetrating sealer, and wipe the shower down each and every time it's used. Done and maintained this way, the installation will outlast us all.

Happy Thanksgiving,

John
http://www.johnbridge.com

 
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