Extension Base

Extension Base
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Select Cupola Extension Base

  • 16/18" Extension Base - $64.00
  • 22" Extension Base - $79.00
  • 24" Extension Base - $94.00
  • 30" Extension Base - $104.00
  • 36" Extension Base - $115.00
  • 42" Extension Base - $127.00
  • 48" Extension Base - $139.00
  • 60" Extension Base - $149.00
  • 72" Extension Base - $169.00

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Shipping cost for this product is free to the lower 48 states.

Cupola extension base. Actual base will match shape/size of the cupola that it is ordered with.
The extension base is not an additional piece. We just make the base taller to support the steeper pitch of the building rooftop.