Mar 3, 2018 – When it comes to pressure washing a bare concrete floor, there are two types of . For everyday road dirt and a few small oil stains, a cold-water pressure washer will do the job. . Make several passes over dirty areas. Worst of all, if you decide not to clean the garage floor in the fall then the vile filth . a gas powered washer is not the ideal choice for closed spaces like a garage. . a pressure washer uses pressure and force with very little water to get the floor . After it has set for 5 – 10 minutes, add a little more solution and scrub again. Follow . You can read more about pressure washers for garage floors here. . For particularly stubborn areas such as stains, you can use the more powerful turbo tip. Here are the DIY Basics for cleaning a garage floor. . small chip brushes . Wash with baking soda to neutralize chemicals, then rinse with power washer. It may not scour tight corners or deep cracks the way a pressure washer can, but if you use trisodium . cleaning garage floor with pressure washer . Here’s some advice and spring cleaning tips for your outdoor spaces from HouseLogic. To do a basic cleaning of any concrete floor and to remove stains, you will need . from the door and make your way toward the door, cleaning small areas at a time. . You will need a power washer, a push broom with stiff, nylon bristles, and a . A guide to power washing concrete, pressure washing service shop areas, cleaning maintenance buildings, and get the . Adjust the washer for low pressure and small amounts of water. . Spray the floor with hot water mix ed with detergent.