Sanding Concrete Close To A Wall

Once your mortar is made begin spreading it over a small area.

Sanding concrete close to a wall.

After sanding you should apply 2 3 coats of acid wash on the entire surface to hide sandpaper scratch marks from the concrete. The sandpaper you choose depends on the quality and intensity of sanding you want to do. Roll liquid concrete bonding agent over the surface of the wall in fairly straight lines using a short napped. 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.

Sand any particularly bad areas of concrete with rough grit sandpaper. Do not try to make the wall level. Press the grinder. After you have prepared the area it s time to choose your sandpaper.

A diamond pad is the only type strong enough to cut through. 4 thoroughly sand the concrete. Once you have everything prepared you will need to mix the mortar. The process of mixing mortar is relatively easy and straightforward as long as you have the right recipe.

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. Usually the patched areas are visibly noticeable even if the area gets painted. How to smooth a concrete wall finish step 1. How to sand concrete walls step 1.

Normally you d start by using a coarse grit sandpaper that is in the range of 40 60 grit. Wash the walls with dishwashing soap and water. Attach a diamond sanding pad to a hand held grinder. Also like sanding a concrete floor it is best to start with an area in a corner or near a wall.