Cleaning Concrete Garage Floor Before Painting

For tough paint stains you may need a commercial paint stripper.

Cleaning concrete garage floor before painting.

Remove all dirt or debris with a broom. These powered buffers will scour the floor replacing the manual scrubbing with a brush. Dampen the cement floor thoroughly with a hose. The buffers can be rented and the rental companies often sell the scrub pads too.

Cleaning garage floors by floor grinding or shot blasting will insure your concrete is profiled correctly. This solution should stay on the stain for several hours before scraping or scrubbing the concrete. Homemade concrete cleaning solution. Check under the plastic.

Cleaning concrete garage floor with a floor buffer. Wait until your concrete floors are dry before you prime. Moisture will prevent the primer and paint from adhering properly. Tape a large piece of plastic over a portion of the old concrete garage floor attaching all edges of the plastic to the floor.

For stubborn stains use muriatic acid in combination with your pressure washer set to at least 1200 psi. Pour some of the degreaser or cleaning solution from the bucket onto the floor. Leave the plastic on the floor for 24 hours. You can employ a floor buffer fitted with a special scrub pad made for cleaning concrete.

Concrete is very porous and will easily collect dirt and grime so cleaning with a power washer or floor buffing machine is best. For regular cleaning a solution of baking soda and water will loosen dirt and grease and help keep your garage floor clean. An easy way to tell whether the floor is dry enough is to place a small. Wear gloves and make sure the garage is well ventilated.

Step 1using a rag wipe off all oil and grease spills from the concrete surface. New concrete must cure for 30 days before you can clean it or apply a topcoat. Attach a brush or coarse scrubbing pad to an electric floor scrubber. How to paint a garage floor clean and prep the floor.

Let the detergent sit for 45 minutes then pour boiling water on the area and vigorously scrub the stained section with the broom.