What must be considered to avoid a sagging paint job?

Maintaining the proper gun distance and stroke speed is crucial for achieving an even and professional-looking paint finish, which plays a significant role in preventing sagging. When the spray gun is held at the correct distance from the surface, it allows for an even distribution of paint, ensuring that each layer dries properly without accumulating too much material in one area.

Additionally, appropriate stroke speed ensures that the paint is applied consistently. A slow stroke may cause the paint to accumulate and lead to sagging, while too fast a stroke may not deposit enough paint, resulting in a patchy finish. By mastering the combination of gun distance and stroke speed, painters can apply the appropriate amount of paint without over-saturating any section, which effectively mitigates the risk of sagging.

Other options, such as using high air pressure or thinning the paint excessively, may contribute to issues like uneven coverage or poor adhesion, complicating the finish rather than improving it. Similarly, using a thicker paint viscosity may not address the fundamental issue of application technique, which is central to avoiding sagging. Therefore, focusing on proper gun distance and stroke speed is the key to preventing sagging in a paint job.