John Rumm Wrote in message:
On 12/09/2018 21:54, Tim Lamb wrote:
Shower installed.

Now stressing about boxing the soil pipe run to the toilet.

Simplest is tiling on waterproof ply over treated timber frame. Damp
area and rot issues due to no ventilation?

Ply ought to be fine. If you are really worried, then grab a few boards
of aquapanel from Wickes to clad your boxing with. Seal with a decent
sealant when done. Also seal the internal corners rather than grouting
them. That way it stays water tight with movement / shrinkage.

Can't screw to floor but could glue to ceramic tiles. Anyone done it?

Yup, fix the battens to the floor with either silicone, or one of the
combined modified silane bond and seal compounds. Plumbers Gold from
toolstation is quite good for this - its a little bit stiffer to work
than normal silicone, but it sticks and seals pretty much anything. It
also stands up to aggressive cleaning better than silicone.


+1
Also equivalent are Stixall or the bargain priced late entrant to
the market Sika Multistick - all at Toolsatan .
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Jim K


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