Learn How to use Roff Cement
The surface should be sound and thoroughly cleaned. Old surfaces should be free from wax, grease, polish, etc.
Add three parts of Roff New Construction Tile Adhesive (NCA) powder to one part of water. The addition of water should be adjusted to attain the desired consistency. Always add water to the ceramic wall tile adhesive.
Mix the required quantity only, enough to be used within 60-minute pot life.
Spread the ceramic tile adhesive to a required thickness bed and comb with a notched trowel. Remember to only apply the adhesive paste that can be tiled within 10-15 minutes.
Start placing the tiles on the surface. Tap the tiles properly to ensure complete coverage on the back of the tiles.
Allow it to set for 24 hours and start filling the joints the next day with Roff Rainbow Tile Mate (RTM) Epoxy tile grout.