![]() ![]() Start with 120-grit: Begin wet sanding with a lower grit sand pad, from 120 to 220, to address any visible imperfections or uneven areas on your epoxy resin project. Wet sanding can minimize the amount of cleaning in this step, as can a power sander with a dust collection attachment (essentially a small vacuum that collects the drywall dust as it’s generated). Sandpaper Grit Selection: Choosing the right sandpaper grit, from coarse (60 grit) to fine (2000 grit). Most would recommend starting with sanding the primer with 600 grit, before slowly moving up to the finer 800 grit paper. You will ideally start with a coarser abrasive and use progressively finer ones to achieve a smooth result. ![]() If possible, seal the room with plastic to prevent the dust getting elsewhere in the house.Īfter you’re done sanding, clean up any residual drywall dust. 600-800 grit - Although some might be brave enough to use 400 grit sandpaper on the upper primer layer, its best to use 600 grit for that job. It is recommended to use a sanding block too.600 to 800 Grit This sandpaper grit range is perfect for sanding surface imperfections in the primer, prior to paint application. Before you start any drywall sanding project, make sure you have protective goggles and a respirator or appropriate dust mask. You’ll also need to invest in some safety equipment because drywall dust isn’t “just dust.” It’s made up of minerals that can be harmful to your health if they get in your eyes or lungs. Put down a drop cloth or tarp to protect carpets, flooring, and other surfaces from the drywall dust that comes off when you sand. Coarse sandpaper has a grit of around 40 to 60 and is generally made from aluminium oxide or ceramic. This helps you cover more area at a time and ensures even pressure across that area for an easier time getting even results. If you’re planning to use sandpaper (rather than a sponge or power sander), consider a sanding block.
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