Spray Putty or Filler - What is the Difference?

Spray Putty:

Spray putty, as the name suggests, is a putty-based material ideal for larger surface areas where traditional putty application would be cumbersome. It boasts high filling capacity, effectively smoothing out dents, scratches, and imperfections. Typically applied after priming, it can be used on old, cured paint layers or primed surfaces. However, it's important to note that it cannot be painted over, and application onto wash primer is prohibited.

Primer Filler:

Primer filler, on the other hand, is a material with filling properties but is not as thick as putty. It's excellent for removing sanding scratches, minor imperfections, and achieving a flawless surface. Usually applied before the final paint coat, it helps seal off polyester putties and other auxiliary materials that are unsuitable for painting.

Development of Direct-to-Metal Primer Fillers:

It's worth noting that there are ongoing developments in primer fillers that can be applied directly to metal surfaces. While these products are not yet widespread, they represent promising advancements in automotive repair materials.

Selecting the right material is key in automotive repair, so understanding the differences between spray putty and primer filler and knowing when and how to use them is essential. We hope this post has helped clarify these concepts and made your decision-making process easier when it comes to car repair!