Float the concrete when you re done grooving and edging photo 6.
How to smooth rough concrete wall.
In order to tackle a concrete pond you should use a large 8 inch angle grinder.
Apply another coat of compound to the wall in the same fashion as the first one if the wall is still slightly rough.
Use a sanding pole if you cannot reach the upper portions of the wall.
There are basically two methods used to smooth off hardened concrete surfaces.
Dry grinding is done of dry concrete surfaces to remove fins and marks caused by forms.
Drag the flat of the trowel straight across the surface of the concrete to smooth it.
They are dry grinding and wet rubbing.
This tool helps streamline the entire process and also drastically reduces the potentially harmful effects of airborne particles like silica dust.
Luckily there are other options on how to smooth rough concrete.
The most preferable way to smooth a rough concrete surface would be by utilizing a wet angle grinder.
Hold the trowel almost flat and swing it in large overlapping arcs while applying pressure.
Start at the bottom corner of one wall and in a single smooth motion smear the mortar upward 2 to 3 feet from your starting point.
Smooth the surface with a steel trowel after it s partially hardened.
Let the joint compound dry and then sand away any ridges made by the trowel.
Repeat overlapping each new smear with the previous one until.
Floating removes the marks left by edging and brings the surface one step closer to a final finish.
I bought a place near the ocean that has concrete block walls.
Trowel a 3 8 inch layer of concrete over the wall with a straight trowel.
These attachments can also be attached to some power drills.
Let it dry and then sand it smooth.
They put a rough stucco finish on it and painted it.