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"zenboom" <?signal.ds?@?bluebottle.com?> wrote in message
news:d81hht$18i$1@ctb-nnrp2.saix.net...
quote:
>
> "Don" <one-if-by-land@concord.com> wrote in message
> news:NtRoe.13624$uR4.12811@newsread2.news.atl.earthlink.net...
> <snip>
>
> <snip>
>
> Around here, brick and mortar is the convension. Drywalls might be used
> internally for partions.
> It's generally 12.7mm gypsum[plaster] board [single or double layer] fixed
> to the studs.
> No way one should use that stuff in any wet area. Perhaps suitable grade
> ply
> direct to studs, and tanked, would do!
>
> What is the material of your >>1/2" drywall surface.<< ?
This particular restroom had 6"x6" tile up to about 6' high.
Not sure what was behind the tile.
I think the fixtures were backed up against a concrete block exterior wall.
The problem with backing the drywall with 3/4" plywood is that if pressure
is put on the grab bar the drywall will be crushed.
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