Sanding Concrete Floor For Acid Stain

Be sure the concrete has cured for at least 30 days or the stain and or sealer may fail.

Sanding concrete floor for acid stain. If the concrete floors are particularly smooth or have been polished you should sand them before staining. Sanding the floor with a high speed buffer and an 80 grit sanding pad provides a roughened concrete surface that helps ensure maximum adhesion of the acid stain. For this i used two garden sprayers. The best concrete surface for staining is rough and porous to allow good color penetration.

I repeated this until the entire concrete floor was done. Sanding the surface if needed is acceptable whether by hand or with larger machines from rental stores such as commercial floor sanders and floor buffing machines with sanding pads. Apply the acid stain. I filled one up with clean water and in the other one with the acid stain.

Here are 5 basic steps toward preparing your concrete to accept acid stain so you get the rich beautiful floor you re looking for. Smooth glossy surfaces will prevent all types of stains even acid stains from properly sticking to the floor. However it will reduce the coverage of the stain and sealer. Any kind will do.

Before you can add a colored stain followed by a coating of epoxy urethane or wax to make a concrete floor shine you must prepare the floor s surface. Sanding also helps to remove superficial contaminants like paint or surfaces stains while removing the top layer of a sealer. The most common cause of sealer failure is too much stain residue on the floor. For many years it was a standard method of concrete preparation used by nearly all industrial commercial and institutional floor coating installers depending on the floor size and system to be installed.

Look for damage and wear that may need to be repaired. The residue is very acidic. Problems can also arise after application because of sealer failure or improper sealer maintenance. These issues can be remedied through dry sanding acid washing or applying more stain.

A professional floor buffer or sander equipped with a sanding disc can remove any existing paint stains discoloration or small imperfections from the floor s surface.