I recently grouted tiles in my whole bathroom with a product recommended by a plumber which has turned out to be very soft. you can rub it away with your finger.
is there any treatment i could put on it to waterproof it and toughen it up? or is it a question of re-grouting it?
is there any treatment i could put on it to waterproof it and toughen it up? or is it a question of re-grouting it?