Additionally if you are coating concrete that has been finished with a sealer it is necessary to use a floor grinder to prepare the concrete.
Floor grinder remove epoxy.
With an efficient concrete floor grinder you can roughen the floor sweep the debris away and apply your epoxy in one day.
Start sanding the areas you want to remove the epoxy coating from with a floor grinder or shot blaster.
For stubborn areas like corners or edges you can use a handheld rotary.
Step 3 use a floor grinder.
Using a steel shot blast to remove epoxy.
Protect yourself from splattering dusts and debris by wearing safety glasses and gloves.
If your garage or concrete surface has been previously sealed painted or coated the use of a diamond grinder or shot blaster is the best and recommended way to remove those coatings and rough up the surface for a new epoxy.
Grinding the floor can take many passes and depending upon how smooth you want to make it can require the user to progressively change the grinding disk from a low coarse grit to a high one.
A floor grinder uses an abrasive surface to scrape epoxy from a concrete surface.
For those who have a thin layer of epoxy coating a sander might very well do the job for you.
Renting a floor grinder.
Remember to grind in one.
You can use floor grinders to remove epoxy coatings more easily.
How to remove epoxy from wood or concrete.
These machines are available for rent at your local home improvement store.
Also it is important not to damage the underlying concrete or you might as well pour a new floor.
Removing an epoxy coating from a garage floor is not a hard process and can be easily done with the proper power tools.
You can purchase or rent a floor grinder machine.
Since most people don t own industrial grinders this means hiring a contractor.
Rent a bladed grinder attachment with your machine to help scuff the concrete more quickly.