Diamond Sea Glaze has been a industry leading custom fabricator of windows, doors, hatches and specialty glass products for over 30 years.

Diamond Sea Glaze is proudly part of AdvanTec Global Innovations, a group of companies, each dedicated to serving a unique aspect of the marine closure market. The AdvanTec Marine division is also completed with Freeman Marine Equipment, Pacific Coast Marine, and Steelhead Marine. By combining the engineering capabilities, manufacturing expertise and market reach of these well-established brands, AdvanTec Global Innovations is structured to deliver innovative marine solutions on a global scale.

Diamond Sea Glaze offers the AdvanTec Advantage!

Over 120 year of collective experience in the design, engineering and manufacturing of closures in North America.
A company that will stand behind its technology and is going to be around for the life of its product.
Over 25 engineers and a host of technical staff spread in key geographies for faster response time on technical matters.
Introduced a myriad of solutions that have become industry benchmarks including aluminum cast hatches, ultra-lightweight cranes and DiamondFrit™ glass.
One Stop Solution
One of the largest closure manufacturers in the world delivering class approved projects, standard & custom closures, cranes, portlights, hatches & accessories for all kinds of marine application.
Global Presence
Solutions exported to over 50 countries to a diverse range of clients from international navies and defense equipment.

More Reasons To Choose Diamond Sea Glaze

State Of The Art Facilities
80,000ft² of manufacturing space located in Langley, British Columbia, Canada
Long Lasting Quality
Industry standard manufacturing brand name and quality to last longer and save you time and money

Commercial Marine

Robust closures for the most severe conditions

Non Class & Non Regulatory

Recreational Marine

The perfect closure to fit your
specific use

Non Class & Non Regulatory

Custom Glass

State of the art digital
glass printing

Dynamic Digital Printing