LEADERS IN MARINE INNOVATION

We are leaders in marine manufacturing. What drives us is the passion behind each of our brands and the needs of our customers. We specialize in the design and innovation of specialty marine closures.

DSG Logo
FM Logo
SM Logo
PCM Logo
USA Logo

OUR PARTNERS

FIRE-RATED WINDOWS
FIRE-RATED DOORS

Freeman Marine Aluminum Hatches  

Diamond Sea Glaze Marine Windows  

Steelhead Marine Cranes & Davits  

Pacific Coast Marine Doors

USA Sliding Hydraulic Sliding Cargo Doors

What’s New at AdvanTec Marine

Back view of USA Sliding Doors 1000 model sliding door.

Cargo Watertight Sliding Doors

Electric and hydraulic watertight sliding cargo doors from USA Sliding Doors.

Back view of USA Sliding Doors 1002 model sliding door.

Personnel Watertight Sliding Doors

Electric and hydraulic watertight sliding personnel doors from USA Sliding Doors.

Diamond Sea Glaze Glass-in-Glass Portlight back view.

DiamondFrit Flush Glass-in-Glass Portlight

Diamond Sea Glaze Direct Bond Glass-in-Glass Portlight

Freeman Marine 2120 cast hatch.

2100 Series Ventilation Hatch

Freeman Marine Cast Aluminum Ventilation Hatch

AdvanTec Marine is the parent brand to Diamond Sea Glaze, Freeman Marine, Pacific Coast Marine, Steelhead Marine, and USA Sliding Doors. Our brands specialize in the design, engineering, and manufacturing of specialty application marine closures. We are one of the largest marine manufacturers in the world. We have geographic locations in the US and Canada, and ship to over 50 countries worldwide. Our customer base includes North American & International Navies, Governments, Militaries, Commercial Vessel, and Super Yacht Builders. We are a growing team of close to 300 people, and all of our products and solutions are conceived, designed, engineered, and manufactured here in North America.

For over 40 years our brands have collectively been the leader in innovation and creative manufacturing systems. We are committed to delivering solutions to meet customer requirements. We accomplish this using our process of customer consultation, creative and collaborative thinking, innovative design solutions, and world class manufacturing systems. No matter what vessel type, size, or industry, we have the product you need. Our goal is to build, supply and support the finest equipment in the industry.

We offer after sales service, installation, and support for all products sold.

Who We Serve

MILITARY PATROL VESSELS

SUPERYACHTS

ALUMINUM COMMERCIAL WORKBOATS

MILITARY VESSELS

COMMERCIAL WORKBOAT VESSELS

RECREATION BOATS

The AdvanTec Advantage

  • RELIABILITY

    With over 150 years of collective experience in the design, engineering and manufacturing of marine closures, we are one of the leaders in North America for marine closures.

  • SERVICEABILITY

    We offer onsite commissioning, annual maintenance, repairs and replacement parts.

  • MARKET LEADERS

    As one of the largest manufacturers in the world, delivering standard and custom doors, windows, specialty glass, hatches, cranes and accessories for all kinds of marine applications.


  • “INDUSTRY-LEADING” HASSLE-FREE WARRANTY

    We are committed to delivering solutions that meet our customer’s requirements. We offer after-sales service and commissioning support for all products sold.

    All Non-Powered Equipment:

    • Platinum Warranty – 36 months from the date of shipment

    All Powered Equipment:

    • Standard Warranty – 24 months from the date of shipment

    • Onsite commissioning required by AdvanTec Marine or certified technician for an additional 12-month extension

Why Choose Us?

Expertise

Introduced a myriad of solutions that have become industry benchmarks including aluminum cast hatches, ultra-lightweight cranes and DiamondFrit glass.

Global Presence

Solutions exported to over 50 countries to a diverse range of clients including international navies and defense equipment.

State of the Art Facilities
State of the art facilities in both the US and Canada.

Have a project?

At AdvanTec we are committed to delivering manufacturing solutions across various industries to meet customer’s needs. With industry specialists with over 50 years combined experience, you will matched with the expert for your project that will work with you closely through the complete manufacturing process. Contact us today to receive a free quote.

Naval Architects

AdvanTec possesses a long history of design collaboration with naval architects, engineers, and designers. Through our Naval Architects membership program, we aim to provide AdvanTec product design modeling to collaborators. Click here to learn more.