another question is..I want to use poly styrene background in the pink sheet form.. now!where the water flows from the water fall?do I have to seal it with something..and if I do?what type sealer do I use?do I cover the whole thing with tile grout or just seal where the water flows?and what kind of paint can I use?
and when you guy's say tile grout do you actually mean thin set?the reason I ask is because when I see the pictures.the stuff that you guy's call tile grout looks grey and thats what thin set looks like..thin set is used to set tiles in bath rooms and showers..it goes under the tile onto the backer board. itis water proof and it dries like concrete and its in a grey powder form..but sanded grout would most likely be better for painting I assume..
sorry for so much questions guy's..thanx for the replies
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