Forum Discussion

bluebarry1964b's avatar
bluebarry1964b
Explorer
Apr 13, 2015

How Can Old, Yellowed Plastic Trim be restored?

I think I'll soak the smaller pieces of trim such as A/C ceiling vents in a tub of 50/50 bleach & water. But what about the larger pieces such as the door piece? Any ideas on how to get them white aga...
Class A
coolmom42's avatar
coolmom42
Explorer II
Apr 14, 2015
ScottG wrote:
Repaint with Krylon Fusion. That stuff is amazing the way it looks and lasts. Clean first with lacquer thinner or alcohol.
I repainted the white plastic trim around some sky-lights and the trim around the outside of the windows in my 2 trailer doors about 5 years ago. They still look perfect!


This.

Bleach won't fix the problem, the yellowing is not a stain that will come out. It's from UV degradation of the plastic. Some plastics use additives to prevent this, but not all.

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