Is acid staining a do-it-yourself job?
- Dress properly for the job. Cover your eyes, nose and feet. Wear long sleeves and long pants.
- Test your color on a small patch of the slab that’s hidden from view. The color will look different on your slab than it does on a neighbors because some concrete is more porous and absorbs color better than others. The stain is permanent.
- Clean your concrete slab with care. Power-wash it and scrub out stains. Stain will hide small imperfections, but most show through.
- If your concrete is damaged and stained, or if you want to change the color of a previously stained slab, you may have to put down a “scratch coat”—an overlay made from modified polymer concrete. New or clean slabs don’t usually need this “new skin.”
- Spray on one to three coats of the acid stain.
- Neutralize the acid with a wash of ammonia and water. You can dump the mixture onto the acid-stained floor and scrub or mop it down. This step helps the sealer adhere.
- Wait for the floor to dry completely before topping the stain with an epoxy sealer. You can choose a thick, glass-finish coat or a flatter, matte finish.