Airless

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How does a spray gun work without air? It does so by forcing paint through a small opening at VERY high pressure, from 1200 to 5000psi. This is how a “super-soaker” operates. The high pressure allows for spraying very thick paint such as latex housepaint, often without dilution. Most professional house painters rely on their airless guns exclusively, as they just need decent atomization and allow the leveling housepaint formula to smooth it out. The downside of airless technology is the high cost for the equipment and they are limited to what they can spray. You would certainly not want to spray clear coats on furniture with an airless system. Many people will rent this equipment rather than purchase until they get enough work to make it cost-effective.

NOTE: As with any pressurized tools, be careful. Airless in particular carries a risk of “injection” if improperly handled. Be sure to read your owner’s manuals!


For the next page about Conventional Air Spraying, click here.

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