The recommended distance for the gun head and the surface is between 30-60 centimeters.
Set the gun head to 90 degrees.
Spray overlap 50%. More>>>

Advantages
– Work fast.
– Suitable for large areas.
– Specify thickness as needed.
Get a smooth, uniform color film.

Disadvantage
– Use high volume colors (With a large amount of loss) including diffusion.
– Need space for work.
– Increase the cost of protecting other assets or surfaces.
More>>>

Roll over.
Rolling collects the rolling style Cross rolling.
Rolling in the same direction.
More>>>

Advantages
– Work faster than brushes
Suitable for complex areas, corner edges using small rollers.

Disadvantage
– Problems with air bubbles and porosity on color film easily
Providing low color film thickness Must do many trips for the job that determines the color film thickness
The surface must be smooth. And there is a scope that supports the size of the roller
More>>>