Interior House Painting Tips : Put time into prep work you will get good results evoke this! Painting is 95% prep and 5% varnish work. OK! I will have you painting like a pro in no time By the way if your bulwark have open coats of paint and you're looking to repaint while you have prepared your bulwark correctly, two good coats of low gloss will be fine to redecorate. Well I still have a lot of interior painting tips to contain and I would fondness to disclose my expertise of what has made me the tradesman I am nowadays.