Which goiot hatches should you choose for your sailboat?
Marine hatches and portlights are deck and hull openings that bring light and fresh air below, and the right choice comes down to where it mounts, how watertight it must...
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.
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Lewmar Ocean Hatch: Flat Base vs. Flange Base -- Which One Do You Need?
Every Lewmar Ocean hatch ships in a flat base or a flange base -- they look nearly identical on deck but mount very differently underneath. Here's what actually separates them...
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Where to Buy Lewmar Hatch Replacement Parts
Lewmar hatch parts are sold by profile, size, and part type. Learn which spare -- seal kit, hinge kit, lid assembly, handle kit, trim kit, or flyscreen -- fixes your...
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How to Measure a Lewmar Hatch for a Replacement
How to measure your existing Lewmar hatch's deck cut-out and identify its profile — Low Profile, Medium, Ocean, Flush, Ultra Low or Pilot — before ordering a correct replacement.
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How to Rebuild a Lewmar Low Profile Hatch
A practical guide to servicing a Lewmar Low Profile hatch part by part — diagnosing hinge, seal or friction-lever failure, the general disassembly/reassembly sequence, and when a full hatch replacement...
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How to Choose Hatches & Portlights: A Sizing and Selection Guide
Choosing hatches and portlights is a fitting exercise, not a shopping one: you size each unit to the deck or hull opening it serves, then pick a profile that matches...
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Lewmar Portlights
Standard/Atlantic or Flush Mitre—which opening portlight suits your boat? Learn how profile, installation location, and weather exposure guide the choice for watertight ventilation and light.
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Lewmar Hatches
How do you choose a deck hatch for light, ventilation, and access? Learn how Lewmar's Ocean, Medium and Low Profile, and Flush series differ, and how to match hatch size...
