Resene paint peel tests

The biggest problem sign makers face when applying vinyl and digital films to paint is that they do not know what type of paint has been used,  especially if they have not applied the paint themselves. Some paints have very low surface-energy, which means you will find it difficult sticking a vinyl film to the surface. This problem particularly lies with shop-front fascias, exterior painted panels and interior walls.  If you do not know what paint has been used check suitability first by performing your own paint peel test.  This is where you apply a strip (30mm x 300mm) of your preferred vinyl film to the surface and allow a few minutes to settle.  Then, slowly pull it back at 90 degrees.  If it comes away easily, the paint may not have enough surface energy for a successful long-term application.  A film with a stronger (i.e not removable) adhesive may help.

Where you do know the paint type, or have a choice with what paint to use, see our list of Paint Peel Tests for Resene Paints for the best stickability.

Don't forget to ensure you allow ample time (5-10 days) for any new paint to thoroughly dry and outgas before application.

A note on vehicles
Experts say most factory paint jobs on vehicles are ideal for vinyl application according to film manufacturer guidelines. The paint should be allowed to outgas for at least 7 days before applying vinyl, so it’s crucial when a new vehicle is delivered for graphics application that you ask; ‘when was it painted?’  If the surface is still outgassing, the graphics will fail or worse, they will pull the paint off the car.

Regardless of the paint type, the surface must be clean and all of the cleaning agent residue must be wiped away.  We recommend a final clean with IPA.