1 2 part water.
Sanding concrete walls smooth.
The process of mixing mortar is relatively easy and straightforward as long as you have the right recipe.
Sanding the wall can often take care of the problem but it is difficult to sand a very large surface smooth and you might end up with places that are recessed while others are higher making the wall look worse than before.
5 smooth the concrete.
Mixing your own concrete may take a few adjustments.
After you have finished all the other steps it s time to give your concrete a new and fresh look.
It has a rotating disc of 6 to 8 inches on the end of the grinder housing.
You may have to grind some of the surrounding area of the original wall to even out the wall.
Cinderblock and concrete aren t considered attractive by everyone s standards especially if the block or concrete wall has recently patched cracks or holes.
Once you mix together these four ingredients use the back of the shovel to smooth the surface of the mixture.
You ll place sanding discs beneath the buffing pad one at a time.
Remove uneven patched areas of concrete by sanding it with an angle grinder.
There are also three different types of sanded finish you can achieve depending upon the tools and amount of removed material.
If concrete is applied to a wall incorrectly the first time it can feel rough or uneven.
Grind the patch down until it sits on the same level with the rest of the foundation wall and until it is smooth to the touch.
If the surface stays smooth and the sides of the groove maintain their shape the concrete is ready.
Before you begin sanding remove all furniture from the room.
Make a groove in that smooth part with the shovel.
Also like sanding a concrete floor it is best to start with an area in a corner or near a wall.
The right angle grinder is used as a hand held device.
Sweep or vacuum the floor to remove loose debris.
If you re inside set up plastic sheeting to protect walls or cabinetry from dust generated by the sander.
The grinder is fitted with sanding papers ranging from 60 grit which is used to even out concrete floor corners and countertops to 120 grit which is used to smooth the concrete into a polished finish.
You might think man made stone would be impossible to sand.
How to smooth a concrete wall finish.
The good news is that concrete can be sanded with relative ease when the proper equipment is used such as a good concrete sandpaper made using diamond instead of sand.