Drywall primer/surfacers are the first step in getting the perfect paint job.
Synopsis: Joints and screw heads often show up even under three coats of joint compound because drywall’s paper face and the compound have different porosities and so reflect light differently. Rather than skim coating the walls, a faster and less expensive solution is to use a drywall primer/surfacer. Pro painter Philip Hansell thoroughly explains the two types of primer/surfacers and outlines their respective pros and cons. He also describes how to get the best results from these products.
Most new drywall has three coats of joint compound on corners and seams, but much of the drywall’s paper face is left uncoated. This is a Level 4 finish as specified by the National Gypsum Association. Even though the walls and ceilings look and feel smooth to the touch, the drywall’s paper surface and joint compound have different porosities. This means that when the wall is painted, the seams…