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What is Ai's Largest Size Dome?

Prompted by requests for a large, single dome for commercial uses, American Ingenuity developed a 60’ dome in 1988. Although it can be used to create a grand home of more than 5,000 sq.ft, Ai does not recommend first time owner-builders to take on a project of such proportions. If a home of this size is needed, a complex of two or more domes may be more advantageous. Ai's larger residential size kits are the 45' (four bedroom/ three bath size) or the 48' (a four or five bedroom/three or four bath size). 

Remember Ai knows of a Kit Assembly Consultant that can supervise your laborers or your contractor's laborers to get the dome shell kit assembled.  Click on Consultant to learn more.

The 60’ in diameter dome has a interior center height of 26’ and can have 5,180 sq.ft. of space.  If you need a larger dome than this, contact Monolithic Dome in Italy Texas.

  • First Floor square footage:  2,552
  • Second Floor square footage:  2,004  (If you max out the second floor - meaning leave only 1/5 of the second floor open to the first floor.)
  • Loft square footage:  624  (If you purchase the cupola and install a third floor loft.)

2011 American Ingenuity Dome Building Kit Pricing

Dome Diameter
Living Area Sq. Feet
Kit Price with one entryway

The Ai Dome Kit consists of all the triangular and riser component panels for the dome shell and panels for one entryway. Your Floor plan selection determines how many more entryways, dormers, skylights, cupola, etc. you will need.

Dome Diameter

Entryway (standard or garage)


(High Profile)


Window Dormer: first floor or second floor
1st Floor Door Dormer
2nd Floor Door Dormer
Clear Skylight
Reflective Skylight
9" R-36 Insulation

Dome Finished Costs:
The finished costs on the domes depends so much on where you live, what the labor costs are in your area and what price points you select for your windows, doors, cabinetry, flooring, lighting fixtures, etc. You can ask at your local hardware store or a local contractor, what the finished price per square foot is running for a conventional house. That is what it will cost to finish the domes (if you do no labor yourselves), because everything in the interior is standard whether it is a conventional or dome, electrical, lighting fixtures, bathroom fixtures, flooring, kitchen cabinets, windows and doors, etc. is the same. Basically you end up with a super-energy efficient, super-strong home for about the same price as a conventional house.  To view our web site file that covers finished cost, click on Cost.

What are builders charging per square foot to finish a conventional house in your neighborhood? For example a 60' dome can have as much as 5,000 sq ft. The building kit with options is approx. $68,000. Here locally in central Florida a conventional house can be built for around $80 to $100 per sq.ft. So 5,000 sq.ft home would cost about $400,000 to $500,000 to finish without the land cost and cost of utility hookups. Lenders typically want 25% to 35% down of the finished price of the dome. That means $100,000 to $175,000 down. Lenders will accept some equity you have in the land towards the down payment amount. How does that fit in with your budget? So much of the price of the house depends on how much work you do (free labor) and the costs of the interior items that you select.

Shipping: The 60' dome requires at least two semi-trucks for delivery.  If you purchase the thicker insulation and max out the number of building options, then your delivery will require three trucks.

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