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.
1 Order concrete with a compressive strength that meets your needs. 2  Make sure the aggregate is appropriate to the thickness of the slab you are pouring. 3  Order the mix with a Plasticizer or a Super Plasticizer, and make sure that the water:cement ratio is not over .55:1.trength: Most contractors know that they can specify the STRENGTH of the concrete. Strength of concrete is measured in PSI, or Pounds per Square Inch (or MPa, MegaPascals, the metric version of PSI). A normal strength of concrete for residential driveways is between 3000 and 4000psi (20 â 27 MPa).