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If its Water, Wastewater, Industrial Fluids or Minerals – We’ve got it covered

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Efficient in design, attractive in appearance and unsurpassed in quality and value, Greatario aluminum domes and covers are efficient and long lasting.

Greatario Engineered Storage Systems has been suppling Canada with a variety of storage cover solutions since 1986.

Greatario’s ability to deliver complete storage solutions by offering the best cover option and the best tank storage option ensures complete customer satisfaction.

Greatario Covers are precision fabricated to aircraft tolerances. Time tested maintenance free corrosion resistant materials are used such as proven aluminum alloys, stainless steel fasteners and silicone rubber sealants and gaskets.

Greatario offers a multiple structural high strength aluminum design solutions including domes, vaults, extruded flat covers, formed flat panel covers, truss supported covers, space frames as well as custom products specifically designed for customers unique vertical and overhead applications.

Aluminum Domes

Efficient in design, attractive in appearance and unsurpassed in quality and value, Greatario's Aluminum Domes are efficient and long lasting.

St John Loch Lomond Reservoirs

Aluminum Flat Panel

Greatario's aluminum flat panel covers provide the strength, durability, odor control and protection characteristics.

Aluminum Flat Panel Cover

Steel Roofs

Greatario offers a full line of Steel and Membrane Roof options to meet your application requirements.

Steel Roofs for Liquid Storage Tanks


Unique & patented Floating Cover perfect for almost any fluid surface. Used on almost all forms of basins, lagoons, reservoirs, containers, ponds & tanks.


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