Sanding Down Concrete Wall

Put on all safety gear.

Sanding down concrete wall.

Press the grinder. When the texture is soft enough for you to rub it off all the way down to the drywall beneath it s time to. It s important to immediately cover the wet cement paint with the stucco mix. Give the wall about 15 minutes of dwell time then test the texture with a fingertip.

Wash the walls with dishwashing soap and water. Powerful to easily get rid of the old rough paint and fast so you can achieve a high quality smooth finish. Cleaning and leveling along the way. After you have prepared the area it s time to choose your sandpaper.

How to sand down patching cement from foundation walls step 1. Attach a diamond sanding pad to a hand held grinder. The angle grinder is loud and it will produce a lot of dust. Normally you d start by using a coarse grit sandpaper that is in the range of 40 60 grit.

Spritz the old concrete with a little water to make it damp before applying the cement paint. Remove the soap residue by rinsing the walls with a sponge and. 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 walls of any type requires a machine that is both powerful and fast.

A diamond pad is the only type strong enough to cut through. Using the coarsest grade. 4 thoroughly sand the concrete. Instructions thoroughly wipe down the surface to ensure there are no debris that could leave pits.

If dealing with a large space it is crucial to work in sections particularly when sanding by. As in any diy project the key to an excellent final product lies in proper preparation and having. 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. The grinder will only work on fully.

The sandpaper you choose depends on the quality and intensity of sanding you want to do. To prevent the inhalation. Make sure the patched area is dry before attempting the grinding process.