How To Sand Concrete Walls. Once the bags are laid, you wet everything down thoroughly with a hose, saturating all of the bags. This will allow you to remove any extra cement or dirt.
We often find water trails on the surfaces of walls when the forms are removed. Press the grinder to the wall and begin applying firm pressure. Enter a caption (optional) that's right, the idea is that you don't open the packaging.
Move the grinder up and down and back and forth across the wall.
You'll want a high shine for clear sealant and stain. You can sand small and comparatively smooth surfaces by hand with regular or diamond sandpaper. It is sometimes called a concrete masonry unit (cmu). Our landscaping team understands the nature of concrete and they use specific techniques during the concrete curing process to ensure a quality result.