Degrees of Cleaning
25° Green-Nozzle – Used for normal washing/cleaning to remove common dirt, mud and stain from surfaces. 40° White-Nozzle – Used for rinsing and light cleaning of windows, roofs, automobiles, boats etc. Black Nozzle – Uses a lower PSI and wider spray for soap application.
Can a pressure washer cut through concrete?
High-pressure water jetting can be used for a wide range of concrete applications. A high flow high-pressure water jet can cut through concrete by eroding the cement.
How do I choose a pressure washer nozzle?
Determine the proper nozzle size by the pressure washer’s GPM (Gallons Per Minute) at a specific PSI . If the nozzle size is too small, your equipment can be damaged . If the nozzle size is to large, your cleaning ability will be reduced.
Which pressure washer nozzle is the most powerful?
Red Spray Tip (0-Degrees)
The red spray tip creates a 0-degree spray pattern and is the most powerful nozzle of them all. You need to be very careful using this tip to make sure you don’t cause any damage to the surface you are cleaning.
How do I choose a spray nozzle?
Selecting Your Nozzle Size
You’ll want to determine the nozzle flow rate at gallons per minute (gpm). To find that, start with your application rate in gallons per acre (gpa). Next, find an efficient and safe ground speed in miles per hour (mph). Then, determine the spray width per nozzle (W).
How do you pressure wash concrete without damaging it?
Aim High And Keep It Moving
As you wash, keep the nozzle moving in one direction. This will prevent etchings and other damage to the surface where you are washing. We recommend that when you’re cleaning your concrete with detergent, you move from the bottom of your surface and go up.
Will a 1600 psi pressure washer clean concrete?
Most homeowners buy a 1600 PSI Pressure Cleaner to clean their fences and decks around their houses. Besides, it can handle mold, wooden decks, patios and concrete walls.
How much PSI does it take to cut concrete?
Hydrodemolition (also referred to as concrete cutting) is a process of using a water jet at 1000 to 1400bar (14,500 to 20,000psi) to remove loose, deteriorated & damaged concrete from road bridges & other concrete structures & to expose steel reinforcing bars for inspection.
Can a 2000 psi pressure washer clean concrete?
Bigger is faster
There’s no doubt that electric pressure washers from 1,300 to 2,300 psi can wash a concrete driveway, but it’ll take longer. If you have a large driveway with lots of stains, you’ll want more power to do the job faster.
What is a 3000 psi pressure washer good for?
Heavy-duty pressure washers produce 3,000 PSI or more, and can be used to clean large areas quickly, remove stubborn stains or patches of rust, or to strip paint.
What pressure washer nozzle is safe for house?
Then to pressure wash the house siding clean use either the 25 or 40 degree nozzle tip. To pressure clean the higher up areas you will want to use an extension wand because you want to avoid using a ladder with a pressure cleaner.
Is 3000 PSI too much for a car?
As long as you use the correct nozzle while power washing your car, 3,000 psi pressure is okay to use. However, it’s recommended to limit the pressure between 1,500 and 1,600 psi.
Which pressure washer nozzle is best for decks?
Typically decks will need anywhere from a 25-degree nozzle (for more stubborn build-up) to 40-degree (for newer decks with less damage or synthetic wood). The higher the degree the less pressure at point of contact.