Welcome to Harbor Guard

Harbor Guard is a high-performance marine protective coating developed by Coval Technologies and powered by its proprietary CorLock Technology. Designed specifically for boats, yachts and demanding marine environments, Harbor Guard creates an exceptionally thin, clear and durable protective layer that chemically bonds to the surface.
Unlike conventional waxes and ceramic coatings, Harbor Guard uses CorLock Technology to create billions of molecular-level bonds with the substrate, producing a hard, flexible and UV-stable protective barrier. The result is an incredible deep gloss combined with serious protection against the conditions that damage and age marine surfaces.
See the change we create
One Solution protecting multiple surfaces


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See how Harbor Guard compares to ceramic coating for boats — real-world protection, longevity, and maintenance, side by side. No hype, just the facts. Here's what that looks like side by side:

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Tested. Proven. Trusted.
Industries we are in
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