Great Lakes Dome Company was formed by Collin MacLeod and Sunny Cushnie in 2004. Our goal is to offer the best alternative to conventional means of construction. The Monolithic method of construction offers a “Paradigm shift” in construction innovation, design and efficiency.

Today people are realizing that their homes need more than just practical floor plans and curb appeal.. With superior energy efficiency, near zero maintenance, ultimate home security and longevity measured in centuries why would you consider a conventional home lacking in all these areas?


The Monolithic Dome is the absolute most efficient and reliable option available to consumers.

Monolithic Domes have real strength. They can withstand the force of a tornado, hurricane or earthquake. They cannot burn, rot or be eaten by bugs.

Great Lakes Dome Company offers the next step in construction innovation, design, comfort and efficiency…