Diamond Sea-Glaze (DSG) is a custom manufacturer of marine and heavy equipment closures. We offer a wide range of windows, doors and hatches to suit a variety of applications.

All DSG products are manufactured in a purpose built facility located in Langley, British Columbia. Our 80,000 ft² facility includes a custom machine shop, a powder and a wet painting facility as well as a glass tempering oven. Through vertical integration we maintain complete control of our production process as well as our quality system.

We invite inquiries for both recreational and commercial projects, big or small.

DIAMOND/SEA-GLAZE MANUFACTURING LTD.