Mudding Concrete Walls

Remove as many high spots as you can this will reduce amount of mudding.

Mudding concrete walls.

Use the all purpose mud for your base first coat to seat or cover the tape and lightweight mud for the final coat. Mud over concrete does t work. You ll get shrinkage if you mix it too wet. The right plaster can be smoother than drywall.

Sometimes is easier to chip all of the mortar off that to mud over it. There are several brands and grades of mud. Concrete walls are most common in basements and are prone to water and chemical damage causing discoloration cracks and leaks. I d suggest doing as the locals do and use materials they use.

Concrete walls are also used in industrial buildings such as factories and converted downtown lofts. As a rough estimate figure about 1 gallon 3 7 liters of mud for every 100 square feet of drywall. Such walls have been subject to much abuse and become disfigured with hairline cracks holes and chipping. Mix all purpose joint compound to about the same consistency as mud you would use for bedding tape the consistency of mayonnaise or just thin enough to roll on the wall.

Spread a layer of slightly thinned all purpose joint compound on the walls with a heavy nap roller. Fold the two materials together with a spade until thoroughly mixed. Push the sand through the screen to sift out any gravel. And finally check the mortar before all of this simply tap on it with the hammer and listen for the hollow sound.

After a while it will show splotches of discoloration then it will peel off. Of masonry sand and half of an 80 lb. Get enough mud for your job. A wall collapsed at an echo park building leading to a mud and debris slide that crushed two vehicles and left a home red tagged on thursday.