A gas or electric washer with a pressure rating of at least 3,000 PSI, and a flow rate of at least 4 gallons (15.1 L) per minute, will effectively clean exterior concrete. From cleaning house exteriors, floors, and washing cars, pressure washers are proven to be effective and time-efficient. Indeed, pressure washers can significantly help make the grueling task of cleaning much quicker and easier. Pressure washer detergent can be very expensive, and if you use your pressure washer very often, then you may be considering whether you can make your own variety of detergent. Pressure washers make the process of cleaning surfaces easier and faster. The pressure washer itself is often very forceful, and applying a detergent that won't be blasted off the first second that you start using it will be very difficult to do. A pressure washer with about 3 gpm and 3000 psi is ideal for most concrete and brick cleaning jobs. With some adjustment they also can be used to effectively clean windows. Sanitizers are rapid-acting cleaners which kill 99.99% of bacteria. While it may be helpful to have a pressure washer of your own, you … -Combine 100 ml laundry detergent soap with 200 ml of all-purpose cleaner powder and leave it to rest overnight.-Mix 1 liter of bleach in 5 liters of water-Add the dry mixture to this solution and stir carefully to avoid suds. The best multipurpose pressure washer detergent is this one by Simple Green. TIP: For tougher stains such as paint, hold tip 3 to 4 inches from concrete surface, moving with … ZEP driveway and concrete pressure wash is a concentrated formula dilution required Most often, the concrete I’m power washing is simply my garage and driveway. Pressure Washer to Make Cleaning Easier. I love clearing out my garage and going to town with the pressure washer. Outdoor concrete can be cleaned with biodegradable detergent and a power washer. Works well as a pressure washer cleaner in pressure washing equipment or can be manually applied. Chemicals should never be blended unless it's confirmed to be safe. A surface cleaner attachment is the recommended method. A pressure washer with about 3 gpm and 3000 psi is ideal for most concrete and brick cleaning jobs. Choosing one that suits your needs is no rocket science, but one has to understand the basic concept of gallons per minute or GPM and pounds per square inch or PSI. There are several cleaning solution options that can be made at home to use in a pressure washer. From cleaning house exteriors, floors, and washing cars, pressure washers are proven to be effective and time-efficient. A mop should be used only on smooth, non-textured concrete such as a basement floor.