Home‎ > ‎Tips of the Trade‎ > ‎

Paint Adhesion to a Metal Surface

    Paint adhesion to a surface is directly proportional to the surface preparation, for this example, we will use metal as the surface to be prepared for painting.

    The surface to be painted must be thoroughly sanded and cleaned with the appropriate solvent or cleaner.

    After the surface has been cleaned properly, the correct primer must be applied to all the surface to be painted, primer must be applied in light coats using a sweeping motion from a distance of 8"-12" and allowed to dry as per manufacturer guidelines before applying additional coats, it is recommended to apply at least 2 coats of primer for most surfaces.

    After primer has been applied, paint should be applied in light coats using a sweeping motion
from a distance of 8"-12" as you apply the paint, let it dry as per manufacturer guidelines and apply additional coats until satisfied with the results.
    You may want to apply additional protection with a clear coat product to add gloss and protect the paint you just applied, just make sure the clear coat is compatible with your base paint.

    Using light coats will avoid runoff and will speed up the dry process, as a heavy coat will take longer to dry (in some cases will never dry underneath) due to the top film sealing the solvents under it creating a barrier between the lower section of the heavy coat and the air.

    Some cases you may want to buff the result to add more shine, that will require another set of tools, skills and materials.

    Always allow the manufacturers recommended curing time before subjecting the part to use, this will ensure the proper adhesion of the paint to the surface, reach the maximum hardness and avoid peeling or flaking.

    If you have any doubts, consult with a professional for a great end result.