An airless sprayer works by pumping paint at a very high pressure, up to 3,000 psi, through a hose and out a tiny hole in the spray gun tip. The tip is designed to break up the paint evenly into a fan-shaped spray pattern of tiny droplets.

 

Advantages of Airless Paint Sprayer
 

The use of regular roller can leave streaks on your surface area if not applied properly.

The airless paint sprayer is better than both traditional methods, meaning that you can get the job done much more quickly than you would expect.