Forum Discussion
garyemunson
Oct 21, 2018Explorer II
Keep in mind that unpainted fiberglass RVs are attacked by the sun just like the newer plastic lens headlight assemblies. Looking with a microscope, you will see the surface is no longer glass smooth. Power polishing the surface can bring the shine back just like polishing kits get those headlights looking good again but in both cases, the dullness returns quickly. Also difficult to power polish without inadvertently hitting any striping and damaging it. One of the components in fiberglass (and headlights) is UV protection and as the years pass, ultraviolet from the sun destroys it so that whatever you do, the shinyness cannot be kept very long. When an RV gets really dull, the only lasting fix is to just have it painted. The paint will stop further sun damage to the fiberglass in it's tracks and if normal automotive grade paint is used will last 10 years.
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