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 or 5000 psi concrete. Cracking in the slab may also be due to the welded wire fabric (WWF) not being in its proper position in the slab. It is usually placed on the vapor barrior and never lifted into the required 1/3 to 1/2 the hight of the slab thickness.