hatchways

A hatchway is an opening in a deck, floor, or ceiling that provides access to an adjacent space. It is usually covered by a hatch, a removable or hinged panel, to seal the opening when closed.

In maritime use, hatchways connect cargo holds, machinery spaces, and living areas on ships and boats. They are fitted with a coaming—an elevated rim around the opening—to channel water away and provide a mounting surface for the hatch. Covers are designed to be watertight or weather-tight and are typically secured with hinges, latches, or turning handles. Materials range from timber and steel to aluminum and composite panels, depending on vessel size and service.

In buildings, hatchways provide access to basements, attics, roof spaces, or service ducts. Floor hatchways may be framed into concrete or timber floors and use hinged trapdoors or removable panels. Safety considerations include fall protection, fire separation, insulation and weather sealing, and, in some jurisdictions, child-resistant locking or recessed handles.

Historical and technical notes: The term is common in nautical contexts, but many buildings also use the term hatchway. Hatchways are distinct from hatches, which refer to the cover itself.

Related terms include hatch, hatch cover, scuttle, and manhole.