Recommended Psi To Clean Concrete

Can i damage my concrete with a pressure washer.

Recommended psi to clean concrete.

Few people realize that you can damage your concrete driveway or patio by pressure washing. Now the psi that you re going to use for your concrete flooring will really depend on the thickness of the concrete slabs. This pressure is more than a garden hose. Heavy duty and extra heavy duty.

Choose the tip with the widest angle that still gets the job done to prevent degrading the surface of the hardscape. Best for home and shop use these sturdier more powerful units make it easy to clean everything from exterior siding and fences to walkways and driveways. Usually concrete flooring would be around 8 inches so a psi 3500 to 4000 is good enough. The exact or a range of psi required is what the pressure washer psi chart reveals.

How does one measure the effectiveness of a pressure washer. Learning how much pressure is required to successfully clean different surfaces materials or objects will help you determine what size pressure washer you would best benefit from. These pressure washers put out 2800 psi and higher at 3 to 4 gpm. Although higher pressures may be required to remove tough contaminants such as paint and heavy tire skid marks most power washing contractors agree that 3000 psi will do the trick for almost all.

Remember if you re never going to exceed 2500 psi then you can save some money by choosing a 2600 psi pressure washer over a 3000 or 4000 psi pressure washer. To clean concrete effectively use a power washer with a pressure rating of at least 3000 psi and a flow rate of at least 4 gallons per minute gpm. 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. Cleaning concrete requires a good flow rate and a decent amount of pressure.

Almost all contractors agree that 3000 psi is more than enough for almost all concrete cleaning while the gallons per minute recommended varies. What psi pressure washer to clean concrete. Psi is the unit of measurement of the water pressure at an output. A pressure washer with about 3 gpm and 3000 psi is ideal for most concrete and brick cleaning jobs.

Psi stands for pounds per square inch. On the contrary this pressure is too less to clean parking areas stained with tar. One cannot buy or choose the perfect pressure washer without understanding the two basic concepts of the machine.