“Used on old ceramic tile floor before adding insulation, cable heating and new tiles all on top. Just didn't want to risk any adhesion issues so used this to improve adhesion to old ceramic surface. Was easy to paint on using a roller and left a very 'grippy' surface that I'm sure was better for the next layer of adhesive to bond to. Seemed to be well adhered to the ceramic tiles so I think it did a good job. Not 5 stars due to price.”
