Sanding Concrete Close To A Wall

The process of mixing mortar is relatively easy and straightforward as long as you have the right recipe.

Sanding concrete close to a wall.

Remove the soap residue by rinsing the walls with a sponge and. 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. After you have prepared the area it s time to choose your sandpaper. Usually the patched areas are visibly noticeable even if the area gets painted.

Roll liquid concrete bonding agent over the surface of the wall in fairly straight lines using a short napped. Do not try to make the wall level. 4 thoroughly sand the concrete. After sanding you should apply 2 3 coats of acid wash on the entire surface to hide sandpaper scratch marks from the concrete.

Attach a diamond sanding pad to a hand held grinder. How to sand concrete walls step 1. How to smooth a concrete wall finish step 1. Sand any particularly bad areas of concrete with rough grit sandpaper.

Wash the walls with dishwashing soap and water. The sandpaper you choose depends on the quality and intensity of sanding you want to do. Also like sanding a concrete floor it is best to start with an area in a corner or near a wall. Press the grinder.

Once your mortar is made begin spreading it over a small area. Trowel a 3 8 inch. 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. Once you have everything prepared you will need to mix the mortar.