Sanding Concrete Close To A Wall

Once you have everything prepared you will need to mix the mortar.

Sanding concrete close to a wall.

Attach a diamond sanding pad to a hand held grinder. Sand any particularly bad areas of concrete with rough grit sandpaper. The process of mixing mortar is relatively easy and straightforward as long as you have the right recipe. Usually the patched areas are visibly noticeable even if the area gets painted.

Sanding concrete using an orbital sander if you have concrete that is going to be exposed architecturally you can sand it by hand using wet and dry sandpaper or an orbital sander. Do not try to make the wall level. Normally you d start by using a coarse grit sandpaper that is in the range of 40 60 grit. 4 thoroughly sand the concrete.

Press the grinder. How to smooth a concrete wall finish step 1. The sandpaper you choose depends on the quality and intensity of sanding you want to do. A diamond pad is the only type strong enough to cut through.

Remove uneven patched areas of concrete by sanding it with an angle grinder. Once your mortar is made begin spreading it over a small area. Patches of cement are often uneven and stand out from the rest of foundational walls especially if cracks in the original walls necessitated the repair. Trowel a 3 8 inch.

After sanding you should apply 2 3 coats of acid wash on the entire surface to hide sandpaper scratch marks from the concrete. Roll liquid concrete bonding agent over the surface of the wall in fairly straight lines using a short napped. Remove the soap residue by rinsing the walls with a sponge and. How to sand concrete walls step 1.