Clean Concrete Floor Before Painting
Mop the floor using dish detergent and water.
Clean concrete floor before painting. The best adhesion requires a clean floor free of laitance and contaminants. Clean the floor of all oil or grease stains using degreaser. What is etching concrete. Laitance is a weak milky accumulation of fine particles of cement dust lime and sand fines on the surface of fresh concrete usually caused by an excess of water bleeding to the surface.
If you are working on an outdoor piece of concrete flooring clean it of any grease. Before you power wash or paint seal your garage floor you ll want to attack any oil. Mop the tsp solution onto the entire concrete floor using a sponge mop. Wet the concrete and use a.
You want the surface to be as clean and bare as possible for the best coating of paint later on. Use a paint roller to apply it to clean primed concrete. Things needed tape plastic bag flat shovel or scraper stiff bristled broom 5 gallon bucket degreaser or all purpose cleaner stiff bristled brush cotton rags hose electric floor scrubber with brush attachment or coarse scrubbing pad wet dry vacuum sprinkler can muriatic acid. Prepare to mop the concrete with a trisodium phosphate solution tsp.
Cleaning concrete is a vital first step because the porous surface tends to trap dirt grease and oil. Combine an ounce of trisodium phosphate tsp in a gallon of hot water. Prime and paint priming before you paint concrete floors helps ensure that your new look will stick. To make your concrete floors resistant to future stains apply a concrete sealant.
Mix a solution apply to floor with a wet mop and then rinse with a mop dipped in clean water. Allow the floor to dry completely. Remove dirt and grease with trisodium phosphate 6 30 per quart concentrate or choose a more earth friendly cleaner like krud kutter s pre paint cleaner 10 for 32 ounces. The acid can t penetrate oily patches and will leave an uneven subpar flooring.
Cleaning and painting garage floors remove oil and grease spots. Some good cleaners include castile soap liquid dish detergent stone cleaners and mild floor cleaners.