2v Tunnel Domes with 1 Extension Examples

41 hubs, 106 struts.
The 2v Tunnel Dome with 1 Extension produces a larger space for a greenhouse or shed.
Listed 2v Tunnel Dome 1 Extension Sizes: 11' wide, 17' long to 20' wide, 30' long.
You can build larger or smaller 2v Tunnel Domes by adjusting the strut lengths, contact us for details.

2v Tunnel Dome Dual Covering Hubs

Requires a Chop Saw to Manufacture.

5-way Red Hubs

6-way Blue Hubs

The Dual Covering Hubs are used for building geodesic greenhouses in cold weather environments.

  The Dual Covering Hubs allows a Greenhouse to be covered with 2 layers of plastic, one on the inside and one on the outside of the dome. This creates a "dead air space" between the two layers for plastic for better insulation.

 The Dual Covering Hubs require a chop saw to manufacture.

Tools Needed to Manufacture the Dual Covering Hubs: A Power Hand Drill or Drill Press, and a Chop Saw for cutting the hubs and rings.

Each 2v Tunnel Dome with 1 Extension Download Contains:

Download a Complete Set of Instructions and Manufacturing License for Building a 2v Tunnel Dome with 1 Extension Using our Patented Hub Design

Geodesic Tunnel Dome with 1 Extension Plans
(with Dual Covering Hubs) Price: $41.00
41 hubs, 106 struts.

Download Geodesic Tunnel Dome Plans with 1 Extension (with Dual Covering Hubs) Price: $41.00

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