Cleaning and leveling along the way.
Sanding down concrete wall.
Give the wall about 15 minutes of dwell time then test the texture with a fingertip.
It s important to immediately cover the wet cement paint with the stucco mix.
As in any diy project the key to an excellent final product lies in proper preparation and having.
Wash the walls with dishwashing soap and water.
After you have prepared the area it s time to choose your sandpaper.
Press the grinder.
Fill any holes or dents with a good patching slurry.
The angle grinder is loud and it will produce a lot of dust.
Sanding walls of any type requires a machine that is both powerful and fast.
Normally you d start by using a coarse grit sandpaper that is in the range of 40 60 grit.
Using the coarsest grade.
How to sand down patching cement from foundation walls step 1.
Make sure the patched area is dry before attempting the grinding process.
To prevent the inhalation.
Put on all safety gear.
How to sand concrete walls step 1.
Instructions thoroughly wipe down the surface to ensure there are no debris that could leave pits.
Attach a diamond sanding pad to a hand held grinder.
Powerful to easily get rid of the old rough paint and fast so you can achieve a high quality smooth finish.
The grinder will only work on fully.
Remove the soap residue by rinsing the walls with a sponge and.
A diamond pad is the only type strong enough to cut through.
The sandpaper you choose depends on the quality and intensity of sanding you want to do.
4 thoroughly sand the concrete.
If dealing with a large space it is crucial to work in sections particularly when sanding by.
Spritz the old concrete with a little water to make it damp before applying the cement paint.
When the texture is soft enough for you to rub it off all the way down to the drywall beneath it s time to.