Shower pan/wall liner

[Pat Hauck]

I would appreciate comments on PVC vs CPE shower pan liner. In addition, how about the TCA recommendation that such a liner be run all the way up the walls where steamroom shower use is contemplated. A friend on another list, as well as serveral local tile installers feel that it is unnecessary & overkill to do so behind the wonderboard backer board on an allover basis. Thanks in advance for your opinions! jim 980516

[Jim HardwickParticipant]

The liner is to protect the structure against water leaks through the tile. A steam shower does not have any more probablility of water leaks than a regular shower and thus does not need any greater protection.: I would appreciate comments on PVC vs CPE shower pan liner. In addition, how about the TCA recommendation that such a liner be run all the way up the walls where steamroom shower use is contemplated. A friend on another list, as well as serveral local tile installers feel that it is unnecessary & overkill to do so behind the wonderboard backer board on an allover basis. : Thanks in advance for your opinions! : jim 980516

[Jim HardwickParticipant]

: The liner is to protect the structure against water leaks through the tile. A steam shower does not have any more probablility of water leaks than a regular shower and thus does not need any greater protection.: : I would appreciate comments on PVC vs CPE shower pan liner. In addition, how about the TCA recommendation that such a liner be run all the way up the walls where steamroom shower use is contemplated. A friend on another list, as well as serveral local tile installers feel that it is unnecessary & overkill to do so behind the wonderboard backer board on an allover basis. : : Thanks in advance for your opinions! : : jim 980516Tile spec.s on steam showers are different than a regular shower.Steam can penetrate through tile and grout and cause moisture problems inside wall cavities. This can be a serious problem on exterior walls, which are cooler. There are 2 different types of steam shower membranes,I prefer the trowel-on system that is manufactured by Mapei, I believe that it is PR235. Its a powder and liquid that when dries is flexible and thinset adheres to it well.Dont risk not using a membrane, I have ripped out alot of these and its a big mess and expensive.

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