The strong spray from a pressure washer can cause serious wounds that might first appear minor. Wounds that appear minor can cause a person to delay treatment, increasing risk for infection, disability or amputation. The fast, strong spray can throw objects that strike and injure others who are close by.
Can a pressure washer cut your finger off?
However, on the slight chance that you are not using proper technique, or maybe you just have an accident, you need to be aware that pressure washers do have the ability to severely lacerate your finger and even cut it off. While most injuries are not this severe, this can absolutely happen to anyone.
What PSI will break skin?
In order to breach the human skin the ejection pressure has to be at least 100 pounds per square inch (psi)8 while most high-pressure guns and injectors reach pressures of 2000 to 12000 psi3. The puncture wound is small, inconsiderable and not distinct.
Can a pressure washer cut skin?
But despite the benefits, they can cause serious injury—and few consumers may appreciate just how serious. A pressure washer’s powerful spray is hazardous when misdirected, strong enough to damage skin in an instant. Lacerations are the most common injury, followed by bruises, punctures, and eye injuries.
Does Power Washing cause mold?
Here’s the kind of damage power washing can do if not performed correctly: Water can build up below a home’s siding causing mold and mildew growth. Accidental removal or denting of siding, shingles, shutters, etc.
How powerful is a power washer?
They pump out 2,000 to 2,800 pounds per square inch (psi) of water pressure vs. 1,000 to 1,800 psi for electrics, allowing gas models to clean a grimy concrete patio three times faster than the fastest electrics.
What psi can hurt you?
Pressures as low as 1000 PSI can still cause damage or personal injury, so be careful. If you’re going to use one for cleaning a deck, siding, or something else around your home, make sure your water system can supply the washer. (And be careful with water if you use an electric pressure washer.)
How much psi can the human skin take?
A stream just over 1,000 PSI can puncture human skin, while a stream just over 1,700 PSI can punch a hole in concrete.
How much force does it take to penetrate a human skull?
Bartelink brings up cases where multiple stab wounds to the head didn’t get past the skull—which, in most places, takes 540 Newtons to penetrate. So, for those of us who hope to outlast the zombie hordes in the future, a knife might not be the weapon of choice.
Can a pressure washer cut concrete?
Solution: 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. At high pressure with a lower flow, water can actually remove coatings without damaging the sound concrete below.
Can you be electrocuted using an electric power washer?
Both electric and gas pressure washers can cause serious injuries in users who aren’t using them properly. With electric pressure washers, there is a risk of electric shock or fire. Shocks can occur if the cord to the pressure washer is damaged and water gets into the power cord.