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CST’s OptiDome® is a technologically advanced, sleek, flush batten aluminum dome that delivers superior stability, functionality and aesthetics.

San Rafael, California_ size 151'x 203'

San Rafael, California - size 151' x 203'


The flush batten OptiDome® is a next generation aluminum geodesic dome from CST.  Combining   premium features and incorporating the engineering experience and heritage of Temcor and Conservatek®, OptiDome sets a new standard in engineered aluminum cover technology.

CST’s advanced OptiDome design complies with torsional buckling requirements which have been adopted by Eurocode, 2010 Aluminum Design Manual and International Building Code 2012.  The Double Web I-Beam, combined with aluminum’s excellent strength-to-weight ratio, provides reliable performance under the most stringent environmental conditions including heavy snow loads and high wind speeds.

OptiDome is designed to meet the latest design codes including: Eurocode, Aluminum Association’s 2010 Aluminum Design Manual, IBC 2012, AWWA D108 and API 650G.

Every CST aluminum cover is custom designed to meet the specific requirements of each project and be engineered for any snow, wind or suspended load capacity, as well as span-to-rise-ratio. With the ability to cover spans of 900 feet or more, OptiDome offers a wide range of applications without unsightly beams, girders or columns.

The unique properties of OptiDome make it far superior to other materials and alloys used for covers due to its:

  • Corrosion Resistance 
  • Low Lifetime Maintenance Cost  
  • Clear-Span Capability    
  • Fast & Low-Cost Construction 
  • Design Flexibility   
  • Aluminum is a "Green Material"
At the core of OptiDome is its superior, patent pending batten seal technology. This system increases water shedding and eliminates ponding, even on a low profile design, while providing a water-tight cover solution. Featuring an enclosed gasket design, the batten protects against ultra-violet exposure and sealant degradation. Since battens are flush with dome panels, it eliminates ponding. They are easy to install and require less sealant than typical geodesic domes. 

CST has combined proven dome design with modern engineering and materials to produce the flush batten aluminum geodesic dome design which offers significant economic advantages. In addition to the optimized design and superior seal technology, the OptiDome has a smooth, sleek appearance. CST is the only dome manufacturer that offers a design with no external sealant required at the nodes. 

Contact us today to get the most functional, long lasting dome solution from the world’s leading dome manufacturer.