“An excellent product overall, but - and this is a generic spray can thing, I guess - the spray can tended to form drips occasionally as I sprayed. But didn't affect the final outcome, which so far is performing well. Slightly matt sheen, dried quickly, appears to have waterproofed the grout and tiles. Used in a wet room, on the floor with underfloor heating. Sprayed joints a couple of times, then the whole floor a couple of times, just to use it up. The tiles are high slip-resistance (R13) and the sealer doesn't seem to have reduced the anti-slip either. I'm a fan of the can.”