though you didnt specify what kind of wall...id say brick...iono...my paint flows well on brick....but not the weird patterened brick....regular horizontal brick walls lol....especially new painted over ones (like outside a store)
but it will make the paint run becos its a smooth surface [/b][/quote] yea..... maybe he meant with a paint marker or something cuz i kno for sure for me the best surface to right on with a paint marker is metal its so smooth and it just all gose together neatly 100th post