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White Class C motorhome parked at a forest campsite showing chalky UV oxidation on the fiberglass sidewall next to a small polished patch
fiberglass

RV Fiberglass Oxidation: End-of-Season Restoration and How to Stop It Coming Back

RV fiberglass oxidation peaks by mid-August. Here's the three-step end-of-season fix — wash and decontaminate, compound and polish the chalk off gel coat, then seal with a ceramic coating so the su...

Aug 16, 2026
Undrdog Team
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fiberglassClean white RV motorhome parked at a scenic campsite with a glossy fiberglass exterior in sunlight

How to Protect Your RV's Exterior From Sun, Oxidation, and Fading

RV gelcoat fades and oxidizes fast in the sun. Here is how to clean, coat, and maintain your RV exterior to keep its gloss for years.

Jun 26, 2026
Undrdog Team
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