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Looking to build a new wet room style bathroom. Is it better to use cement sheeting for the walls that will be tiled, or will plasterboard (Gyproc) just as good to use? Obviously whichever surface is used will have the relevant wet room sealing mixture used on it, but would cement sheeting provide a better base that Gyproc?

Obviously the cement sheeting is thinner than the plasterboard which would be an advantage to gain some small amount of space.

Once the wet room sealer is applied to the surface it will then be tiled.

Tester101
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2 Answers2

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Cement sheeting provides a better backing - specifically something like "Aquapanel" (as marketed here in the UK.

It's stronger and stiffer than standard plasterboard and hence can take the weight of the tiles. It is also more resistant to moisture. Also it's not hideously more expensive.

ChrisF
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I've seen (and occasionally used in patching) a product referred to as "waterrock" which looks and behaves like typical sheetrock. It was indicated to me as being intended for wet applications, like in bathrooms.

On the other hand, the contractors that build our house last year just used standard sheetrock throughout. The bathrooms were being tiled over it, so the difference is likely something to do with how you intend to finish the walls.

Scivitri
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