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Sailiboat Hatches & PortlightsHow-To Guides

Bring light and fresh air below deck with the right hatches and portlights. Learn how to size, seal, and replace them to keep your cabin dry, bright, and ventilated.

  • Lewmar hatch catch block, a marine ventilation maintenance part

    Hatches and Portlights Maintenance

    Hatch and portlight maintenance comes down to three habits: rinse with fresh water after every sail, clean acrylic and painted aluminum only with mild soap (never solvents), and lubricate seals...