Be Yourself Quotes. â Be who you are and say what you feel, because those who mind donât matter, and those who matter donât mind.â â Bernard M. Maruch. â Imperfection is beauty, madness is genius and itâs better to be absolutely ridiculous than absolutely boring.â â Marilyn Monroe.
Select the appropriate equipment and settings. 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. Set the spray nozzle to high pressure and use a 40-inch spray tip. Add an appropriate cleaning solution to the reservoir. Prep the concrete surface.
RE: 3000 psi Concrete Requirement. the reason a lot of codes require 3,000 psi and a lot of engineers, suppliers and contractors use it for structures is that it has been shown that over the years, it provides a good level of performance.