9235 waterproofing membrane can be applied with a paint brush or long nap paint roller and allows installation of tile brick and stone directly onto membrane. Use 257 titanium 254 platinum or multimax lite for excellent bond and performance to install the tile. If the vinyl is installed over plywood see laticrete tds 152 bonding ceramic tile stone or brick over wood floors for more information on the proper subfloor and underlayment thickness.