H hmtiling Jan 23, 2017 #21 aytiling said: You have to watch using grey grout on shower walls. There is waterproof which shouldn't change colour, then there is water resistant which will. Click to expand... epoxy or cement based then?
aytiling said: You have to watch using grey grout on shower walls. There is waterproof which shouldn't change colour, then there is water resistant which will. Click to expand... epoxy or cement based then?