Or larger and even more important when you re tiling over tile.
Tiling over wall tiles youtube.
Super primer is a specially formulated primer designed for enhancing adhesion onto smooth and dense surfaces.
Very easy diy that will save you hundreds of dollars not paying a contractor.
Some installers prefer to flatback each tile with the flat edge of the trowel before applying the tile to the combed thin set.
Solvent free and non hazaredous super primer.
Epoxy tile adhesive bonds with existing tiles making it one of the best options for tiling over an existing tiled wall.
Watch this video for step by step instructions on how to prepare the surface prime the old tiles mi.
Others prefer to use a larger notched trowel 1 2 x 1 2 in to apply the thin set.
Complete adhesive coverage is critical on large tiles 12 in.