Pro Masking Film 50m rolls IMPORTAN! Ensure the painted surface you apply the mask to is fully dry. This is especially important with Solvent painted base coats and clear coats. If the solvent gasses are still escaping under the film they will bond to the glue on the mask which will then remain on the painted surface. Often requiring the surface to be re painted. This is extremely rare and if you adhere to good working practices i.e. allow the paint to fully dry, you will not experience this problem. It is also worth pointing out that this applies to most other vinyl's and does not reflect on the quality of the Pro Mask. TEST FIRST!  When used on papers and boards always test by applying a strip of mask to the paper and repeatedly rubbing down hard with a squeegee or finger nails, then remove the film. Usually hot pressed papers/boards are compatible with Pro Mask.