Sanding Down Concrete Wall

To prevent the inhalation.

Sanding down concrete wall.

A diamond pad is the only type strong enough to cut through. Make sure the patched area is dry before attempting the grinding process. Remove the soap residue by rinsing the walls with a sponge and. 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. 4 thoroughly sand the concrete. If concrete is applied to a wall incorrectly the first time it can feel rough or uneven. Fill any holes or dents with a good patching slurry.

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. Give the wall about 15 minutes of dwell time then test the texture with a fingertip. 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.

Put on all safety gear. Wash the walls with dishwashing soap and water. Cleaning and leveling along the way. It s important to immediately cover the wet cement paint with the stucco mix.

If dealing with a large space it is crucial to work in sections particularly when sanding by. Sanding walls of any type requires a machine that is both powerful and fast. Powerful to easily get rid of the old rough paint and fast so you can achieve a high quality smooth finish. The angle grinder is loud and it will produce a lot of dust.

The grinder will only work on fully. Normally you d start by using a coarse grit sandpaper that is in the range of 40 60 grit. 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. As in any diy project the key to an excellent final product lies in proper preparation and having.

How to sand concrete walls step 1. How to sand down patching cement from foundation walls step 1. Press the grinder.