How To Clean Garage Floor Oil Stains. Because the stains covered a fairly big area of my garage floor, i used painters tape to section off a similar sized area to test each cleaner. Oil and grease stains on a garage floor are just as common as they are dangerous.
Dilute the cleaner in a gallon of hot water, pour onto the oil stain, and soak for 20 to 30 minutes. There’s no need to panic, if you happen to get oil on your garage floor. Get rid of any prior oil stains and just get the floor as clean as you can.
Sweep the area to remove any dirt, debris, or grime.
Finally, with a cloth soaked in hot water, we will remove the remains to see the result. Wipe with a rag, and get at the last remaining bits of grease with some dish soap, water, and a scrubbing brush. You could use a concentrated washing soap at full strength to remove old oil stains from your garage. Oil stain on concrete floor can totally ruin the look of the surface, but the situation can totally be savaged.