Sanding Concrete Close To A Wall

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.

Sanding concrete close to a wall.

Roll liquid concrete bonding agent over the surface of the wall in fairly straight lines using a short napped. How to sand concrete walls step 1. Remove the soap residue by rinsing the walls with a sponge and. Normally you d start by using a coarse grit sandpaper that is in the range of 40 60 grit.

Once you have everything prepared you will need to mix the mortar. Remove uneven patched areas of concrete by sanding it with an angle grinder. 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. The process of mixing mortar is relatively easy and straightforward as long as you have the right recipe.

Do not try to make the wall level. Attach a diamond sanding pad to a hand held grinder. Press the grinder. After you have prepared the area it s time to choose your sandpaper.

Trowel a 3 8 inch. Usually the patched areas are visibly noticeable even if the area gets painted. Wash the walls with dishwashing soap and water. A diamond pad is the only type strong enough to cut through.

Once your mortar is made begin spreading it over a small area. 4 thoroughly sand the concrete. Sand any particularly bad areas of concrete with rough grit sandpaper. The sandpaper you choose depends on the quality and intensity of sanding you want to do.