Cleaning Concrete Garage Floor Before Painting
These powered buffers will scour the floor replacing the manual scrubbing with a brush.
Cleaning concrete garage floor before painting. Moisture will prevent the primer and paint from adhering properly. Attach a brush or coarse scrubbing pad to an electric floor scrubber. Wear gloves and make sure the garage is well ventilated. This solution should stay on the stain for several hours before scraping or scrubbing the concrete.
The buffers can be rented and the rental companies often sell the scrub pads too. How to paint a garage floor clean and prep the floor. An easy way to tell whether the floor is dry enough is to place a small. 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 regular cleaning a solution of baking soda and water will loosen dirt and grease and help keep your garage floor clean. For stubborn stains use muriatic acid in combination with your pressure washer set to at least 1200 psi. If you try applying an epoxy floor paint to a smooth unprofiled concrete floor you can expect the epoxy to peel and lift due to hot tire pickup and inproper adhesion. Dampen the cement floor thoroughly with a hose.
Remove all dirt or debris with a broom. Pour some of the degreaser or cleaning solution from the bucket onto the floor. Do not skip this part. Wait until your concrete floors are dry before you prime.
Cleaning garage floors by floor grinding or shot blasting will insure your concrete is profiled correctly. Step 1using a rag wipe off all oil and grease spills from the concrete surface. Pour dry dishwasher detergent or a concrete cleaning agent on the stain. Cleaning concrete garage floor with a floor buffer.
Let the detergent sit for 45 minutes then pour boiling water on the area and vigorously scrub the stained section with the broom. Concrete is very porous and will easily collect dirt and grime so cleaning with a power washer or floor buffing machine is best. Leave the plastic on the floor for 24 hours. Homemade concrete cleaning solution.
New concrete must cure for 30 days before you can clean it or apply a topcoat.