F
Flintstone
Recently been through this, tilemaster advise overblarding with 18mm wbp ply, or 12mm hardie /nmp. Then tiling with ultimatel flex.
I didn't do the job but that's what they suggested. I wouldn't go any less spec than that if I was you
I didn't do the job but that's what they suggested. I wouldn't go any less spec than that if I was you