Essentially, airless spraying is where an airless mechanism splits up liquid into small droplets. This process is a form of atomisation and is achieved by forcing the liquid up through a small nozzle which is known as a “spray tip”. As this paint is pushed up through the spray tip at a high pressure, there is enough energy to break up the surface tension of the liquid, which bonds it together. Therefore, all of the paint leaves the spray tip as a high speed stream. However, when it comes into contact with the air it fragments into tiny droplets.
Airless spraying has become the preferred method of decorating as it is suitable for use of a wide multitude of substrates. Its popularity can be attributed to the wide range of benefits provided when compared with traditional methods such as hand brush painting. The benefits include:
- Airless spraying doesn’t leave any brush marks, unlike hand painting, which can be aesthetically displeasing.
- An airless spraying system is portable and can therefore be utilised on-site provided spray painting as and where it is required.
- Traditional painting methods, such as brushes and rollers, can take their toll on the painter’s back, arms and shoulders. However utilising airless spraying is physically easier on the individual making it preferable.
- Airless spraying can be utilised on wide expanses, such as roofs, claddings and ceilings, when used in this environment it can coat the surface in one quick application with far less effort required than other methods.
- Equally, airless spraying can be used effectively on much smaller surfaces which have previously been hand painted, these areas include metal door and window frames.
- Airless spraying provides a means of application which is versatile in its using, meaning it can be equally effectively utilised on a wide range of internal and external surfaces, including architectural metalwork and UPVC window frames.
- With airless spraying, surfaces and items can be sprayed to any colour and a wide range of surface finishes are available, including a number of metallic paint options.
- Any and all surface flaws can be easily covered and filled with airless spraying, meaning that dents, holes and cracks in substrates can be cost effectively and quickly repaired with an application of paint.
- Utilising the airless technique to apply paint is twice as fast as using a paint brush, whilst it is four times faster than using a roller. Therefore, utilising this technique enables for a far greater amount of work to be completed in a shorter amount of time, thus saving money.