Go slow at first until you are more familiar with the motions of each stroke.
How to smooth textured concrete walls.
Step 1 dampen a sponge with warm water.
Trowel a 3 8 inch layer of concrete over the wall with a straight trowel.
Texturing with joint compound or textured paint clean the walls and allow them to dry completely.
Drag the flat of the trowel straight across the surface of the concrete to smooth it.
Combine the joint compound with water according to the manufacturer s instructions.
You can apply a new layer of concrete to a wall known as an overlay.
Use a special textured foam roller to apply mixed skim coat onto the wall.
Pick up a hopper gun with an air adjustable valve an air compressor and drywall.
Allow the concrete to dry for approximately 30 minutes until most of the moisture is gone from the top.
You will need to prime the walls ahead of time so that the texture has a smooth dirt free surface to stick to.
Working from the top of the wall down to the bottom use a squeegee to lightly float the surface in one smooth even stroke.
Scoop the right amount of joint compound about 2 thick and wide onto the taping knife and apply it to the textured wall.
Pour the joint compound into a paint tray then use a paint roller to roll it onto the wall.
The next stroke works from the bottom of the wall to the top again applying a smooth even stroke.
It refers to spreading a layer of joint compound over the walls to fill in the bumps and valleys in the texture effectively creating a smooth surface.
The biggest secret for a smooth skim coat is to keep the taping knife at about 10 degree angle to the wall and don t use too much pressure.
There are several kinds of concrete overlays and ways to decorate overlays but one that may interest you in particular is a.