But be warned: It does create an unavoidable dust storm in the middle of your home, which can sway homeowners to consider wet sanding (see further down) in cases where a smooth finish isn’t absolutely necessary. Work your sponge’s abrasive side in a large, circular motion to sand the joints, corners, screws, and around electric boxes. The differences in types of sandpaper and grit are explained below. Check out our recommended tools right here: https://www.stuccoplastering.com/tools/ Hello, our faithful subscribers and plasterers around the world! 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. If there are rougher patches on the wall use an 80 grit but generally, a 100 is enough for preparing a wall before painting. Wet sanding drywall avoids most of this mess and the associated cleanup. However, these blocks don’t sit as comfortably in your hand. If you do decide on sanding down the paint or a skimcoat check out this youtube clip: It's a neat little trick by which you suck the dust out of your house by pointing a fan out the window. Receive free, no-commitment project estimates from licensed drywall installation and repair pros near you. "First… So let’s start there, tiles are one of the many types of interior wall finishes, you can also consider talavera, wood, brick wall designs and many more. It is ideal to refresh surfaces, or to create a distinct decorative effect to beautify your home. Donna Boyle Schwartz, Bob Vila, 11 Decorative Pillow Trends to Expect in 2021, The Dos and Don’ts of Wet Sanding Drywall, Never Make These 13 Mistakes with a Ladder. Careful to not put too much pressure on the surface to avoid “fuzzing” the drywall or leaving sanding marks; sand the center of seams and joints just enough to remove ridges and bumps. Step 7: Choose the right sandpaper for the surface and the step in the process. If you have an exterior window, open it a crack to provide ventilation. Previous Step Next Step. Sanding a wall before painting is part of the cleaning process. Step 5: Using a new sponge, wash down the wall using plain water. When using a sanding block, wrap the sanding paper around the block. Once the water becomes cloudy, pour out the old water and refill with fresh warm water. Make sure the drywall is ready to be finished. The simple reason why more DIYers don't install and finish drywall more often is easy to understand—the dust. Tape plastic sheeting across any doors leading to other areas of your home, as well as over the floor and any furniture in the room. Step 2: Dust all the surfaces to be painted with either a cloth or a long duster that lets you reach up high. Choose silica sand in the grain size of your choice, and either latex paint or waterproof paint. It also creates an inconsistent texture, an unintentional one, that is. Next, sand horizontally along the baseboard and the roof. Finish by wiping the walls with a damp cloth. By Donna Boyle Schwartz and Bob Vila. The general rule of thumb to remember is that the higher the number the larger the grains and the softer the sandpaper. If your vacuum has a pre-filter, use one designed to capture drywall dust and other fine particles. The tricky part is learning how to properly bed the tape and feather out the compound to an imperceptible edge. It is not coarse or harsh and not slippery at the same time. As the name “Wall Finishes” itself suggests that it is finish given to the wall to enhance the interior or exterior look of the structure. Screw or nail one side of the block through the joist, and secure the … Why Is Sanding Walls Before Painting Necessary? When prepping a wall for painting we generally recommend a softer sandpaper to avoid damaging the wall. Use a vacuum cleaner or shop vac to clean up the drywall dust. Applying primer or paint to walls that are still damp can cause a host of issues, including blistering.