The Bright Sky

Commercial Greenhouse

The Bright Sky greenhouse delivers total growing flexibility with the patented Nex-Hood which allows the roof to partially open during inclement weather and for de-humidification.

The Bright Sky Glass System:

  • The Bright Sky is a lapped glass greenhouse designed to do just what its name implies … a bright greenhouse with high light levels.
  • By using a Prospiant engineered extrusion system specifically designed for the Bright Sky house we were able to increase the light levels by spreading the bars apart and using wider glass lights.
  • The glazing bars are efficiently designed and use less aluminum than many traditional glass bars and still meet U.S. snow and wind loads required for permitting.
  • The trusses and purlins of the Bright Sky are also designed to allow maximum light transmittance.
  • The wider roof purlin spacing decreases the shadow lines enhancing the light levels even more. By using longer lites to correspond with the purlin spacing the glass laps are hidden and contribute to the Bright environment. 
  • The Bright Sky provides a great environment for propagation or other crops that need high light levels and a bright future.

The Bright Sky Design Saves you Time & Money:

  • Bright Sky trusses are one-piece and factory welded using galvanized steel to offer consistency in dimension and construction.  We ship fewer individual parts providing a cost savings during construction.
  • Construction time is further reduced during glazing. By using the larger lites of the Bright Sky less time is needed to install the roof glazing. 
  • It is designed to support overhead equipment and hanging baskets.

The Design Gives you the Flexibility you Need:

  • Shade/Energy curtains are a common element of a Bright Sky house giving owners the flexibility to vary light levels for different crops or retain the passive heat gained during the day to decrease the heat requirements at night.
  • Mechanically cooled or Natural ventilation with Atrium vents … your choice.
  • Taller gutter heights allow ample clearance for any crop or piece of mechanical equipment.  
  • You can also partition walls to create separate climate zones.


  • Brings the outside to your plants
  • The unique patented Nex-Hood allows the roof to partially open during inclement weather
  • Offers a cost-effective energy-efficient growing environment.
  • One-piece factory welded trusses
  • Standard sizes – widths: 21′, 31’6″, and 42′ Other sizes available on request.
  • Superior rubber gasketing system.

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Commercial Brochure

Overview of our greenhouses in public gardens, retail garden centers, schools, universities, and research institutions.

Case Study: Greenhouse Research Facility – The University of Nevada

Read about our new University of Nevada, Reno, Greenhouse Research Facility.

Produce Brochure

Overview of our greenhouse offering for produce growers.

Case Study: White Oak Garden Center

Read our case study on the White Oak Garden Center in Cincinnati, OH

Standard Sizes:

  • Widths: 15′, 24′, 30′, 35’6″, 36′, 41’6″, 42′, non-standard widths are available 
  • Sidewall Height: 8′- 14′
  • Bay Spacing: 10′, 12′ 
  • High-clearance trusses are available for added interior clearance
  • Unique high-strength column caps and gutter saddles
  • Aluminum flashings and extrusions
  • One-piece factory welded trusses
  • High Strength Tenzaloy column caps and gutter saddles
  • Standard sizes – widths: 21′, 31’6″, and 42′ Other sizes available on request.
  • Superior rubber gasketing system.
  • Optional rubber seal minimizes ice build-up at the hinge point.

Optional painted frame is available

  • Hardier plant material since you can harden off crops in full outdoor conditions with roof opening to 85 degrees.
  • Provides protection of a closed in greenhouse when needed.
  • Total growing flexibility with the patented Nex-Hood which allows the roof to partially open during inclement weather and for dehumidification.
  • Less chance of crop loss in case of sudden inclement weather since the roof closes in less than 3 minutes. Also, each roof has its own independent motor.
  • Exclusive one-piece cap and saddle means fewer parts and your greenhouse goes together faster and with uniformity. This may result in less building costs.
  • Money saving design since trusses are factory welded using galvanized Nex-Steel to offer consistency in dimension and ease of site construction.
  • Reduces many government re-entry requirements meaning faster harvesting, packing, and shipping.
  • Growers have experienced reduced need for chemicals and · growth regulators.
  • Reduces capital and operating costs by eliminating cooling · equipment.
  • Reduces electrical installation costs.
  • Requires smaller generators resulting in cost savings.
  • Heavy duty double-tooth steel rack and pinions provide increased strength in windy conditions and longer life than aluminum racks
  • Quality design and engineering means that the Clear Sky is constructed to meet regional snow and wind load requirements.
  • Easy to expand existing range of Prospiant structures since it gutter connects to all other style Prospiant greenhouses.
  • Covering flexibility of double poly, polycarbonate or glass depending upon your crop needs.
  • Unwanted moisture is caught and drained away in the internal extrusion eliminating irregular drip on your crop.

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