Doing so will give you a more even surface and prevent the grinder from digging grooves or low spots into the surface.
Grinding concrete walls smooth.
Grinds down concrete high spots removes sealers and thin mil paints removes mastics and preps floors to accept new coatings.
Place the grinder pad on the floor you plan to grind.
Grinding opens the pores in the concrete which helps the epoxy have something to grip creating a better adherence.
Grinding right up the wall or posts is probably the worst part about the grinding process in my opinion.
Apply slight downward pressure and move it from side to side.
The floor grinder is used to grind and smooth large concrete floors.
A shot blaster can do this too but can create a pitted uneven surface.
Wet rubbing is accomplished on green concrete by a slow speed grinding wheel or disc at the same time applying water.
The water plus the rubbing action brings up a cement paste which results in a very smooth plaster like surface.
Dip a sponge into the mixture wring most of the water out and scrub the concrete.
As the grinder begins wearing away the concrete keep a tight grip on it.
Fill a bucket with water and 1 tbsp.
Roll liquid concrete bonding agent over the surface of the wall in fairly straight lines using a short napped.
Do not try to make the wall level.
You can use a hand grinder and be on your hands and knees for hours or use a smaller walk behind grinder that has edging capabilities.
Description model 50200 hd.
The right angle grinder is used to grind and smooth corners and concrete countertops.
How to smooth a concrete wall finish step 1.
You basically have 2 options.
Trowel a 3 8 inch.
Sand any particularly bad areas of concrete with rough grit sandpaper.
There are various tools used for grinding concrete.