Extreme Conditions Require Exceptional Products

Manly Marine is Canada’s leading producer of watertight sliding doors for personnel and cargo applications. Our products are designed and manufactured according to Canadian content requirements. Manly has been catering to the Canadian maritime industry since 1946 and carries forward the tradition of innovation and high quality. In addition to watertight sliding doors, we also manufacture deck hatches, shell doors, and Mooring/Anchor Viewing Platform Doors to meet the diverse needs of our customers.

Product Categories Offered by the Brand

All Sliding doors are designed in accordance with ASTM F1196/F1197 as well as Solas and suitable Watertight & Watertight Fire Boundaries.

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Cargo Watertight Sliding Doors

Whether you require small or large openings, for marine or land-based applications, Manly Marine can design and manufacture custom cargo doors to suit your specific needs. Our electric, hydraulic, and manual-operated cargo doors can be tailored to fit a wide range of size requirements.

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Personnel Watertight Sliding Doors

We specialize in designing and custom manufacturing aluminum flood panels tailored to your specific requirements. Our double and single electric hydraulic doors can be produced in any size you need.

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Shell Doors / Mooring Platform Shell Doors

Featured in steel or aluminum fabrication with radius corners, hydraulic locking pins, a pneumatic gasket, and a choice of hinge configurations. Optional built-in or removable handrail with hydraulic controls for sensors, inflatable gasket, locking pins, and hinging. Doors can be built to custom sizes and shapes with versatile installation methods, and class approval upon request.

  • mooring platform shell doors
  • anchor viewing platform shell doors
  • pantograph hinged shell door
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Deck Hatches

Features steel or aluminum fabrication, radius corners, hydraulic dogs, a pneumatic gasket, and hydraulic opening cylinders. Optional hydraulic controls for sensors, inflatable gasket, dogging pins, and hinging, with custom size and shape options, versatile installation methods, and class approval upon request.

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Fire-Rated Doors

Doors are available in Weathertight or Watertight configurations. Watertight doors can be installed in watertight bulkheads below freeboard deck and are designed to withstand static head pressure from both sides of the panel. Doors pass most regulatory bodies requirements including ABS, BV, DNV & LR. Weathertight doors are designed to withstand driving rain or wash down and both Watertight & Weathertight are built in accordance with IMO 2010 FTP Code Part 3, MED Certificate by DNV offering the same resistance as the bulkhead they are integrated into.

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Brief History

Founded by John Peter Manly in 1946, has a storied history in the Canadian maritime industry. John Manly, born on the west coast of Canada, began his career building boats at a local shipyard. Seizing an opportunity, he started his own shipyard, initially focusing on small commercial vessels. Over time, the company expanded into steel and aluminum construction of fish boats, tugs, and patrol vessels.

 

In 2010, Manly Marine was acquired by AdvanTec Marine, further solidifying our position as Canada’s leading producer of watertight sliding doors for personal and cargo applications. Our products are designed and manufactured to meet Canadian content requirements, continuing a tradition of innovation and high quality since 1946.

 

Today, Manly Marine is renowned for manufacturing type-approved commercial duty watertight, weather-tight, airtight, and fire-resistant doors, along with other closure systems. Our products are trusted by naval architects, designers, shipyards, project managers, and owners for their exceptional performance, safety, and security

Approvals and certifications:

ABS

DNV-GL

Lloyd’s Register

Bureau Veritas

Transport Canada

Class II & Class III Sliding Watertight Doors:

Class II

Sliding Doors that are operable from both sides of the bulkhead by hand hydraulics. Remote actuation with hand hydraulics is included when required.

Class III

Sliding Doors are operable both locally and remotely by hand and electro-hydraulics.

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Trusted by the Best

Manly Marine is trusted by many of the industry’s leading companies and organizations. We supply watertight closures for vessels including Sea Span, Canadian Coast Guard, and more.

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Versatile Applications

Serving a Wide Range of Marine Industries

Why Choose
Manly Marine?

Designing the Future of Watertight Security

Manly Marine is Canada’s leading producer of watertight sliding doors for personal and cargo applications, renowned for high-quality, innovative products since 1946. Trusted by the Royal Canadian Navy and numerous other shipyards, our type-approved doors ensure absolute performance, safety, and security. Acquired by AdvanTec Marine in 2010, we continue to uphold our tradition of excellence in the Canadian maritime industry.