Hi All,
I am replacing an old shower tray with a stone resin shower tray. The old shower tray was sitting on a standard 22mm chipboard (which has been used across the bathroom). Should I screw 12mm marine plywood over the chipboard? or replace the subfloor of the shower section with 18mm marine...
I am replacing an old shower tray with a stone resin shower tray. The old shower tray was sitting on a standard 22mm chipboard (which has been used across the bathroom). I now intend to replace the 22mm subfloor for the shower section with 18mm marine plywood, applied straight above the joists...