Use a product such as aqua mix s sealer and coating remover.
Removing concrete floor sealer.
If it soaks into the concrete quickly it hasn t been sealed.
The easiest way to remove a concrete sealer is to begin by acid etching the surface of the concrete with muriatic acid.
Not sure if sealer was used.
Sealer removal methods there are two methods for removing sealers from concrete.
The sealer darkens the concrete surface giving it an appearance of being wet and instantly refreshes faded and dull surfaces.
How to remove a water based concrete sealer.
Oil and other leaky fluids leave their marks and are difficult to remove.
The other method to remove sealer from a concrete floor or patio or to remove concrete sealer of any type is chemically.
Try this quick test.
If you like your concrete floor to have a wet look then armor ar350 acrylic concrete sealer is a great buy.
Salt picked up on the bottom of your car during harsh winter weather can melt and.
This process can be dangerous if you are unfamiliar with it.
Mechanical which consists of grinding blasting or sanding the coating off the surface chemical using a chemical stripper to remove the the coating.
Pour a large cup of water onto the concrete.
If the water beads up and stays on the surface it s been previously sealed.
You can also try acid etching the concrete followed by neutralizing you can mechanically scarify the concrete to remove the previous sealer.
Take a look at a concrete garage floor.
You may have heard that it is possible to use muriatic acid to etch your concrete surface.
If sealer was previously applied to your concrete you ll need to remove it before applying the new sealer.
However it is well within the ability of any ordinary homeowner as long as the proper care is taken.
You have some variety of choice when it comes to which products you want to use.