Sanding Down Concrete Wall
The angle grinder is loud and it will produce a lot of dust.
Sanding down concrete wall. If dealing with a large space it is crucial to work in sections particularly when sanding by. Press the grinder. Powerful to easily get rid of the old rough paint and fast so you can achieve a high quality smooth finish. After you have prepared the area it s time to choose your sandpaper.
When the texture is soft enough for you to rub it off all the way down to the drywall beneath it s time to. Using the coarsest grade. If aiming for a specific type of finish measure and mark the necessary depth on the surface s edge 1 16 1 8 or 1 4. Sanding the wall can often take care of the problem but it is difficult to sand a very large surface smooth and you might end up with places that are recessed while others are higher making the wall look worse than before.
Sanding walls of any type requires a machine that is both powerful and fast. Spritz the old concrete with a little water to make it damp before applying the cement paint. Attach a diamond sanding pad to a hand held grinder. A diamond pad is the only type strong enough to cut through.
If concrete is applied to a wall incorrectly the first time it can feel rough or uneven. Cleaning and leveling along the way. How to sand concrete walls step 1. Wash the walls with dishwashing soap and water.
Put on all safety gear. To prevent the inhalation. The sandpaper you choose depends on the quality and intensity of sanding you want to do. Instructions thoroughly wipe down the surface to ensure there are no debris that could leave pits.
Make sure the patched area is dry before attempting the grinding process. Remove the soap residue by rinsing the walls with a sponge and. The grinder will only work on fully. How to sand down patching cement from foundation walls step 1.
Fill any holes or dents with a good patching slurry. 4 thoroughly sand the concrete. Give the wall about 15 minutes of dwell time then test the texture with a fingertip.