What size compressor do I need for spray painting?

Asked By: Hosam Schweisfurth | Last Updated: 22nd May, 2020
Category: hobbies and interests painting
4.5/5 (205 Views . 45 Votes)
A typical spray gun will require low pressure, and HIGH volume, FAR more than any standard compressor yields. This one, for example, requires between 0-70 PSI, but 12 CFM. 12 CFM is far more than ANY standard compressor provides, not even in bursts.

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In respect to this, what is a good size air compressor for spray painting?

For most DIY and non-industrial applications, 1 to 2 HP motor is good enough with paint sprayers rated for 6 CPM and 30-40 PSI. Today, 2 HP air compressors have crept into the mainstream retail market. You should be good if your choice delivers at least 8 CFM at 40 PSI.

Also Know, how many CFM do I need for spray painting? In general, paint guns tend to require a higher CFM rating compared to other air tools. A spray gun normally operates from 0.3 to 12 CFM. It also means that you need a compressor which provides from 4 CFM to 19 CFM (both for touch – ups and undercoating).

Similarly, how big of a compressor do I need to paint?

It's recommended that you go for a compressor with a capacity of at least 50 gallons. If you can afford it, buy an even bigger one. An air compressor with a 60 or more gallon capacity can handle painting most vehicles evenly in a single pass.

What size air compressor do I need to paint a motorcycle?

Air Compressor for Painting. I would recommend at least a 5hp two stage (if it is a piston/reciprocating type) compressor. You don't need so much air for your spray gun but a decent sandblaster requires a lot. I think the rule of thumb is 4.2cfm per hp.

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How big of a compressor do I need to paint a car?

Painting a CarWhat Size Air Compressor To Paint Your Car? It's recommended to pick yourself up a 60 Gal tank with a 5-6 HP compressor that put's out enough CFM that will supply your spray gun. Look for CFM in the ranges of 14-18 at 90PSI.

What is the best pressure for spray painting?

When spraying clear coat I like to up the pressure 2-3 psi for a little more atomization and better flow out. Setting the air pressure to about 28-29 PSI for clear will ensure you having great flow out. Most HVLP spray guns will use 10-14 scfm at 40 psi. This is volume of air pressure per cubic foot.

How do you spray paint without a compressor?

A third option you can use to spray paint without a compressor is airless paint sprayers that are gas operated or electric operated. Airless paint sprayers can spray materials of about any thickness, especially if you end up with a gas airless sprayer.

Can I paint a car with a 20 gallon compressor?

As a rule of thumb most air compressors with an air tank capacity of 30 gallons and up and usually handle painting a car if you match the paint gun CFM to the CFM rating of the compressor for a complete buying guide visit AirCompressorsUSA. Most can be stored under a workbench and can paint an entire car no problem.

Can I use my compressor as a paint sprayer?


Air compressors can be used for multiple things, but one thing that they can be really useful for is when you need to do some paint spraying. When you do use it for this purpose, you will discover that it can really save you a lot of time and it will also spray the paint very evenly.

How big of a compressor do I need?

For a typical garage air compressor, you need enough capacity and pressure to run all the air tools you will need. That will usually include a tire inflator, which needs just 1 or 2 CFM to put out the 32 PSI needed for most passenger tires. You may also have an impact wrench, for which will need at least 3 CFM to run.

Will a pancake compressor run a paint gun?

Spray guns don't need a lot of pressure, but they do need a lot of volume. Your compressor at 3.7 cfm falls short of the gun with the lowest requirement, 4.0 cfm. You might run out of air in the middle of the project. It's going to take you a lot longer than a minute to paint a guitar.

Can you use a HVLP gun with an air compressor?

HVLP, which stands for “high volume low pressure,” are the most commonly used spray guns today. They are highly efficient and offer a controlled spray with little overspray. Some HVLP guns are powerful enough that they can be used without an air compressor, while others require a large air compressor to operate.

What is the best air compressor for painting cars?

5 Best Air Compressors for Painting Cars – Reviews 2020
  1. Powermate Vx Air Compressor – Best Overall. Check Latest Price on Amazon.
  2. Rolair VT25BIG Compressor.
  3. 3. California Air Tools 5510SE Compressor – Best Value.
  4. 4. California Air Tools 10020C Air Compressor.
  5. Porter Cable PXCMF220VW Air Compressor.

How many CFM does it take to paint a car?


Since paint guns are used continuously, they require a much higher CFM rating than other types of air tools. Most of our spray guns operate at 90 to 100 CFMs, meaning your compressor should provide anywhere from 4 CFM per unit (for touch-ups) to 19 CFM per unit (for undercoating).

What is LVLP spray gun?

LVLP stands for Low-Volume-Low-Pressure. LVLP spray guns can operate at pretty low pressure (less than 10 PSI at the nozzle) which makes them a great opportunity for people who don't want to invest a fortune into a high-quality air compressor.

How can I paint my car at home?

Steps to Painting a Car
  1. Get the proper supplies and prepare your workspace.
  2. Be aware of rust spots and take proper steps to fix.
  3. Determine the type of paint you are going to use.
  4. Sand your vehicle.
  5. Wipe vehicle down with thinners to remove dust and particles.
  6. Practice your paint spraying technique.
  7. Prime the vehicle.

How do I increase air pressure in my compressor?

How to Increase the Pressure in an Air Compressor
  1. Use a screwdriver to remove the screws from the top of the pressure limiter switch cover.
  2. Locate the two limiter switch screws.
  3. Turn the compressor on and adjust the screw until the compressor runs until the gauge reaches the desired pressure.
  4. Leave the cover off.

Can I use my air compressor to paint my house?

Roller marks can ruin the looks of a room. Instead, use an air compressor and a spray gun to quickly apply an even coat of paint to the walls. Spraying the paint also will greatly reduce the amount of time you spend painting, leaving you time to do other things.

What does HVLP stand for?


high-volume, low-pressure

What is the difference between SCFM and CFM?

In the simplest terms, here's how you can picture the difference between SCFM and CFM. CFM is Cubic Feet per Minute, while SCFM is Standard Cubic Feet per Minute. 2. SCFM is the volumetric flow rate against a standard, whereas there's no standard for CFM.