12mm WBP ply it is then.
Could I ask, should I leave a cut out for the shower tray when boarding, or get it bedded then board and tile up to it, or bed it it on the ply? if it is bedded on the 22 chipboard , should it be with silicone??
thanks
Hi
My builders have put this down as my floor boarding upsatirs in my extension. This would seem to be fairly sturdy.I want to lay a ceramic tile floor, what if anything , needs to be screwed on top, ?6mm WPB
Thanks