During the finishing phase, the drywall contractors apply joint compound to cover interior angles, joints, nicks, scratches and any imperfection. Let me just pause for a second to pinpoint that there are 5 drywall finish levels. But here we are talking about main interior walls, which need to be finished to hide imperfections. And so drywall companies use level 3, 4, or 5 to finish drywall.
With that said, let’s jump back to sanding. When cracks or joints are covered with compound, the area must be sanded so that there will be no uneven levels when the job is done. Sometimes, sanding needs special attention since some depressions are hard to smoothen without scratching the surface. And such scratches might show under a thin layer of gloss or flat paint. So there are fine and grit sandpaper for you to choose. But there are also two different drywall sanding methods.
we’ll show you how to avoid common sanding mistakes and offer several tips for getting the best results from your drywall sanding job. Sanding drywall is tedious, dusty work. But if you do it right, you’ll be rewarded with a great-looking paint job that will make all the effort worthwhile.
At the top of the list of important know-how is proper sanding technique. Without it, any dings, dents, creases, ridges, or lumps in the joint compound will be magnified once paint is applied, and uneven sections in the drywall can prevent wallpaper from adhering correctly. Here are two sanding methods designed to produce a flawless finish.