What Pressure Washer Do You Need

When you think of cleaning or washing your dirty and greasy garage or sidewalks of the backyard or even your vehicles, a pressure washer is the ultimate solution that rings a bell in your mind. It is made to decrease your effort level up to 60 to 70 percent. With its powerful water jet, it has enough power to wash off tough stains from a variety of surfaces; you deal with in daily life.

But wait for a second! We know various questions invade your mind when you are going to make a buying decision about a pressure washer. That is not bad. In fact, a good product reaches you after a solid questioning and reasoning behind it.

Questions like How to choose the right pressure washer for you? How to choose the right PSI for your pressure washer? or how much pressure do you need in for your cleaning tasks? What GPM rate is required for a task for which you are seeking a pressure washer? Or what to look for in a pressure washer before buying a new one? These are the most worthy questions that matter a lot before selecting a pressure washer for your home or your car or maybe a business entity.

We will try our best to answer these important questions in a simple and smooth way, making it easy for you to take a smarter step towards buying your cleaning appliance. But first, know some basics with us.

What is PSI stands for?

The pressure is always measured in the term known as PSI. PSI stands for pounds per square inch of pressure on a surface. It is a common measuring unit for pressure all across the United States and most of the world. Water pressure too is measured in psi and represents the force at which water strikes a surface from its source.

What is GPM stands for?

GPM or gallon per minute is the rate at which water is pumped out of the washer from its nozzle in one minute. Although PSI is an important factor in removing stains and dirt but you cannot ignore the GPM rate. This is because when water is coming out at a higher rate you can finish your job quickly and more easily. More GPM means fast cleaning.

How To Choose The Right PSI for a Pressure Washer

There are many factors to consider while choosing the right psi for a pressure washer. Basically, it depends upon the surfaces to be cleaned or the tasks for which you are using the pressure washer. Most importantly it depends on the chemical bonding between the surface and the stains.

You choose the right psi and GPM on the basis of how strong is the chemical bonding. The stronger bond requires more pressure of water and more GPM rate for perfect cleaning results.

Choosing the right PSI for every pressure washing task is very difficult. This is because you can wash a variety of things from your washer and each of them has its own structure and surfaces. But it is not impossible to ascertain how strong the stain is or how thick the layer of grime and grease is.

We are solving this problem by discussing further the estimated requirement for PSI for different surfaces and tasks below.

What is a perfect PSI for Car/Truck?

Considering the quantity of dirt, grime, and grease stains on the vehicles, we have experienced 1500 – 3000 is the best PSI for washing a car or truck or any other vehicle. If the PSI is below this level, you will certainly not get the desired results. On the other hand, PSI greater than this range may damage your car’s body, paint, or glass.

What is a good PSI for Patio Furniture?

Patio furniture does not require heavy cleaning operations. They can be easily washed with a pressure ranging between 500 – 1500 PSI.

What is the best PSI for Garage Floor?

Garages are the most difficult places to clean without pressure washers. But having a pressure washer with low PSI will never solve the problem here. Garages are full of the toughest grease stains, oil spills, and contaminants.

So a pressure washer with high PSI along with a high GPM rate will serve the purpose. After our vast experience in this field, we suggest 2200 – 4000 PSI is best for cleaning the garage floor without any extra effort. With the power of this PSI range, you will see clear and fast results in your garage.

What is Good PSI for Sidewalks?

Sidewalks usually accumulate heavy layers of dirt in them which need much effort in the ordinary washing and cleaning process. Therefore high PSI ranging between 2000 – 3500 units is enough for optimum results.

What is the best PSI for Stairs?

Stairs are mostly not as dirty as other parts of the home until there is some serious stuff happen to them. They can be easily washed with a pressure of 1000PSI – 3000PSI with little effort. Concrete stairs can also bear heavy pressure than this.

What is a perfect PSI for Fencing

Fencing is generally made up of wooden material. Cedarwood is most popularly used as fencing for a long time due to its durability and long withstanding with the weather conditions. But with time it constitutes dirt and a layer of grime on its surface. This can be pressure washed with a PSI of 2000 – 3500 units for best results.

What is the best PSI for Deck/Patio?

The best result oriented PSI range for washing Deck or Patio is 2000 – 4000 PSI.

What is a good PSI for Driveway?

A driveway is mostly made of concrete, bricks, or asphalt in the city areas. A thick of layer dirt and grime may stick to the surface of the driveway over a course of time. That is why we consider the 1500 – 3500 PSI range for washing the driveway, the best one.

What is a perfect PSI for Vinyl or Wood Siding

The siding of the home requires some powerful washing because of its location. We suggest 2500 – 4000 PSI is enough for washing vinyl or wooding sidings.

Best PSI for Stain Removal

Stains are the most difficult part of the washing process. They take most of your time. For that reason, you can imagine that more PSI is required for tough stains removal. From our findings and experience, 2500 – 4000 PSI is best for stains on strong surfaces.

Best PSI for Graffiti and Paint Stripping

For graffiti and paint stripping from walls, you need a powerful pressure washer with the highest PSI. This type of job requires a minimum of 4000PSI and onwards for best results.

What is the best PSI for Industrial Equipment Washing

Industrial equipment requires much more pressure than ordinary washing jobs. The huge machinery is often laced with tough stains of dirt, grime, and grease. The heavy industrial machinery is cleaned with 4000 and above PSI units for super fine results.

With all this now, we think you will have no confusion choosing the best PSI for any pressure washing task.

In this article, we have answered a few more questions from our readers that might also help you in understanding better PSI requirements and needs.

What is a good psi for a pressure washer for a home?

This is in fact a difficult question to answer. Because of the many factors involved in pressure washing at home. The types of pressure washing jobs at home differs so the PSI requirement variates accordingly.

We consider gas pressure washers between 1800 – 2800 PSI and electric-powered pressure washers between 1300 – 3000 PSI best for home users. You can read the above section for more specific job-related PSI requirements.

How much PSI do you need in a pressure washer?

This is another common question from the public which has not a specific answer. Here again, we will advise you to take into account the jobs, you are going to complete with your pressure washer.

PSI or pounds per square inch is a unit for measurement of pressure. We recommend between 1800 and 3200 PSI of water pressure you must-have for a wide variety of jobs in your pressure washer.

What is a good GPM for a pressure washer?

GPM or Gallon per minute is the flow rate of the water coming out of the pressure washer’s nozzle in one minute.  The greater the GPM rate, the more power of cleaning your pressure washer has, and the more quickly the job will be done. Many pressure washer experts consider 2 – 2.5 GPM rate is perfect for cleaning home-based washing tasks.

Is 2000 PSI safe for washing a vehicle?

Yes. 1500 PSI – 2500 PSI is a safe range for washing a vehicle. The metallic body and glass of the vehicles can even bear 3000 PSI of water pressure but that must be done with proper care and guidance. As far as 2000 PSI is concerned, this is the safe pressure for vehicle pressure washing.

How much PSI is a lot?

For humans, a pressure of 1000 PSI can cause damage and injury. So it is definitely a lot for humans. For Cars and Vehicles, a pressure up to 2500 PSI or 3000 PSI is a lot and can serve the purpose.

What’s more important in a pressure washer PSI or GPM?

PSI and GPM both are important in a pressure washer. But GPM is more important in many cases. Because GPM is the rate that is more responsible for completing the washing task more easily and fastly. More water coming out of the pressure pump means easy and fast removal of stains in less time.

What should I look for when buying a pressure washer?

While buying a pressure washer, PSI and GPM rate is the most important thing to consider. These are the basic factors that are directly involved in the cleaning process so they matter most. You should also look for the following factors.

  • Gas or Electric Pressure Washer
  • Portable or Static pressure washer
  • Types of nozzles for different jobs
  • Length of High-pressure hose
  • Length of electricity cable/cord
  • Assembling difficulty
  • Safety Measures for Electricity and high-pressure hose

Also,

  • Check the flow of your water supply form where you will connect the washer
  • Check the power supply of your home according to your pressure washer.

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