Have looked at the aquaseal strips and was planning on those
Did think of a mortar base and some extra in the support leg areas
Or
As above with extra support around the edges ( ply ) then a bed
. .or Unscrew the legs and set on a mortar base and silcone to the wall
Did think of a mortar base and some extra in the support leg areas
Or
As above with extra support around the edges ( ply ) then a bed
. .or Unscrew the legs and set on a mortar base and silcone to the wall