Meet the Maxwell Altus Escape Hatch in satin anodised aluminium — a purpose-built deck hatch that blends safety, ventilation, and rugged marine design for ocean-going vessels. With a slim 23 mm profile, this hatch sits cleanly on deck while delivering reliable escape routes and fresh air when you need it most.

Why the Maxwell Altus stands out

• Ocean-ready and CE-classified for trusted performance in harsh seas, designed to be fitted directly on the deck.
• Low-profile, high reliability at just 23 mm above the surface, with a frame that recesses 22 mm below deck for a sleek, snag-free look.
• Sturdy, corrosion-resistant construction — satin sheen anodised aluminium frame that withstands daily marine exposure.
• Versatile operation open from inside or outside, and can be left fully watertight or in a ventilation position when you need airflow without sacrificing security.
• Simple, controlled ventilation with hatch adjusters that hold the lid at virtually any angle up to 90 degrees, giving you flexible airflow in all conditions.
• Direct deck integration with a proven cut-out size for precise fitment on boats that demand dependable escape routes and ventilation.
• Shipped from trusted local suppliers for reliable availability and support on your voyage.

Specifics at a glance

• 581 mm x 451 mm ( satin finish)
• Cut-out size: 507 mm x 377 mm
• Height (low profile): 23 mm
• Frame: Satin sheen anodised aluminium
• Recess below deck: 22 mm
• Opening mechanism: Allows lid to be held open at up to 90 degrees
• Operation: Can be opened from inside or outside; options for fully watertight lock or ventilation position
• Product code: 4640J

Ideal use cases

• Emergency escape hatch for cabins or below-deck compartments on sail and motor yachts.
• Ventilation hatch to improve airflow on sunny passages or during berthing, reducing humidity and stale air inside crew spaces.
• Primary deck hatch for boats where a low-profile, watertight solution is essential for safety without compromising deck aesthetics.
• Retrofit on vessels needing a robust, ocean-ready hatch that combines safety, reliability, and simple operation.

Installation and practical considerations

The Altus range is designed for deck mounting with a precise cut-out to ensure a secure, watertight fit. With its 22 mm deck recess, it sits neatly below the surface for a clean deck line. Use inside/outside accessibility and the ability to lock in a ventilation position to tailor airflow and safety to your sailing or cruising conditions.

Care, maintenance, and longevity

Keep the satin anodised aluminium finish looking its best with regular rinsing to remove salt residues and a gentle wipe with a soft cloth. Periodically check the lid adjusters for smooth operation, and confirm the seal remains intact to preserve watertight performance in heavy seas.

Product details at a glance: Maxwell Altus Escape Hatch Satin, 581 mm wide by 451 mm long overall, with a 507 mm x 377 mm cut-out. Low-profile 23 mm height, satin aluminium frame, 22 mm deck recess. Opens from inside or outside, can be kept watertight or used for ventilation, and the lid holds open up to 90 degrees.CE-classified for ocean use and designed for direct deck fitting. Product code 4640J.