Be careful with the higher psi on vinyl siding.
Is 1700 psi enough to clean concrete.
I m cleaning deck and wood siding with a generic 1500 psi electric.
A 1 500 psi unit might indicate a high pressure to a homeowner for cleaning decks and siding.
Experts say that cleaning concrete often requires having a pressure washer of a minimum of 3000 psi as well as a flow rate of 5 gpm.
Usually concrete flooring would be around 8 inches so a psi 3500 to 4000 is good enough.
Here s an approximate list of psi you need to clean different house objects.
This pressure is more than a garden hose.
Few people realize that you can damage your concrete driveway or patio by pressure washing.
A driveway made of asphalt.
This pressure rate is not too weak and not too strong to clean up the dirt or the grime on the concrete patio or driveway flooring.
They pump out 2 000 to 2 800 pounds per square inch psi of water pressure vs.
Can i damage my concrete with a pressure washer.
A cousin had to replace the top two strips of siding because he blew them off.
The pressure put out by a power washer is measured in psi pounds per square inch and the psi requirements can vary based on what you re aiming to clean.
The recommended minimum psi for cleaning concrete is 2200 psi however if you can afford it 3 000 psi will get the job done quicker.
Almost all contractors agree that 3000 psi is more than enough for almost all concrete cleaning while the gallons per minute recommended varies.
As mentioned above the psi and gpm have to work together for optimal cleaning results.
But as we told you that it would vary from material to material and also the amount of dirt you are going to clean.
Operating at these two minimum levels is crucial if one wants to clean concrete efficiently.
Concrete floor or stucco.
Cleaning concrete requires a good flow rate and a decent amount of pressure.
Most electric pressure washers create 1300 1700 pounds per square inch of pressure psi with a water flow of 1 5 gallons per minute gpm but experienced contractors recommend between 2000 and 3000 psi and a flow of at least 2 5 gpm to clean dirty concrete effectively.
On the contrary this pressure is too less to clean parking areas stained with tar.
For example it ll take a lot less pressure to clean dust and salt from your vehicle than it will take to clean oil stains from your garage floor.
However we observe that a psi of 4500 is ideal for typical concrete flooring.
