Floating removes the marks left by edging and brings the surface one step closer to a final finish.
How to smooth rough concrete wall.
Smooth the surface with a steel trowel after it s partially hardened.
There are basically two methods used to smooth off hardened concrete surfaces.
Let it dry and then sand it smooth.
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.
Hold the trowel almost flat and swing it in large overlapping arcs while applying pressure.
The most preferable way to smooth a rough concrete surface would be by utilizing a wet angle grinder.
They put a rough stucco finish on it and painted it.
Drag the flat of the trowel straight across the surface of the concrete to smooth it.
This tool helps streamline the entire process and also drastically reduces the potentially harmful effects of airborne particles like silica dust.
Float the concrete when you re done grooving and edging photo 6.
Apply another coat of compound to the wall in the same fashion as the first one if the wall is still slightly rough.
Repeat overlapping each new smear with the previous one until.
Luckily there are other options on how to smooth rough concrete.
Most hardware stores sell concrete grinding or sanding disks that can be attached to angle grinders.
Allow the concrete to dry for approximately 30 minutes until most of the moisture is gone from the top.
Use a sanding pole if you cannot reach the upper portions of the wall.
In order to tackle a concrete pond you should use a large 8 inch angle grinder.
Dry grinding is done of dry concrete surfaces to remove fins and marks caused by forms.
Let the joint compound dry and then sand away any ridges made by the trowel.
Trowel a 3 8 inch layer of concrete over the wall with a straight trowel.
I bought a place near the ocean that has concrete block walls.