3m sealant 4000 uv white 10oz. fast cure 06580

This is a medium-strength, moisture-curing, one-component filler/sealer that hardens to form a firm, flexible, and waterproof seal on aluminum, wood, gelcoat, and fiberglass, suitable for marine applications above and below the waterline. It provides good UV resistance for reliable long-term performance and can be painted immediately after application.

• The description claims excellent UV resistance for long-term performance.