As you re spraying the stain have someone else follow behind you with a broom working the stain into the floor.
Acid floor paint.
Allow it to soak for a few seconds and rinse.
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.
Acid etching is the process of applying hydrochloric muriatic or buffered phosphoric acid to a slab then rinsing it off with water.
Make sure that the sprayer is primarily plastic because the acid will corrode any metal parts.
Novolac epoxies are a class of epoxy coatings that are specially made to resist caustic acid and chemical spills.
Consider using figure 8 patterns to spray the acid stain randomly but evenly to thoroughly coat the floor with the stain.
Spray the acid stain with the spraying wand about a foot and a half above the ground.
Apply the acid according to the manufacturer s instructions.
For stubborn stains use muriatic acid in combination with your pressure washer set to at least 1200 psi.
Use baking soda on the cleaned area to neutralize the acid and rinse.
This will create a more consistent finish.
When you apply the acid stain the lime deposits in the concrete are what react with the acid giving the flooring its different coloring.