Sanding Concrete Close To A Wall

Usually the patched areas are visibly noticeable even if the area gets painted.

Sanding concrete close to a wall.

After you have prepared the area it s time to choose your sandpaper. The sandpaper you choose depends on the quality and intensity of sanding you want to do. Trowel a 3 8 inch. Do not try to make the wall level.

A diamond pad is the only type strong enough to cut through. Wash the walls with dishwashing soap and water. 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. 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. How to sand concrete walls step 1. Remove the soap residue by rinsing the walls with a sponge and. The process of mixing mortar is relatively easy and straightforward as long as you have the right recipe.

Attach a diamond sanding pad to a hand held grinder. Normally you d start by using a coarse grit sandpaper that is in the range of 40 60 grit. How to smooth a concrete wall finish step 1. Press the grinder.

4 thoroughly sand the concrete. Sand any particularly bad areas of concrete with rough grit sandpaper. Remove uneven patched areas of concrete by sanding it with an angle grinder. Also like sanding a concrete floor it is best to start with an area in a corner or near a wall.