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Fiberglass boat at marina showing dramatic before-after split between chalky oxidized and restored glossy gelcoat
boat-care

Why Boat Gelcoat Turns Chalky — And How to Restore the Shine

Chalky, faded boat gelcoat is caused by UV oxidation — and it's fixable. Learn what causes it, how to restore the shine with compound and polish, and how to protect it for years.

Jun 23, 2026
Undrdog Team
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boat-careRinsing a white fiberglass boat hull with fresh water at a marina to prevent saltwater oxidation

How to Protect a Boat Hull From Saltwater Oxidation: The 4-Step Routine That Keeps Gelcoat From Going Chalky

Saltwater oxidation turns boat gelcoat chalky and porous. Here is the 4-step routine — rinse, decontaminate, coat, and maintain — that keeps your hull looking new.

Jun 23, 2026
Undrdog Team
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