Specifications



Computer systems and controls



Separate environmental zones



Factory assembled trusses and predrilled components for easy installation



Engineered to your specific design loads


Top: Cleveland Botanical Gardens -Cleveland, OH
Bottom: Thanksgiving Point Institute -Lehi, UT

Aluminum or steel structure




Numerous roof coverings




Multiple roof styles




Custom architectural styling




Custom widths and lengths
Rely on our experience and design expertise. For over 75 years National, a division of Nexus Greenhouse Systems, has completed over 750 projects. And when you review the combined resources of both Nexus and National, you'll see an industry leader:

The options are endless: aluminum or steel, 500 s.f. to 80,000 s.f., re-skin or new constuction, multiple roof and covering options. We have the flexibility to work within your specific budget and requirements.

The result - absolutely delighted customers with a complete greenhouse system.

    Three state-of-the-art manufacturing plants-
  • Pana, IL
  • Darlington, SC
  • Northglenn, CO

Largest engineering staff in the industry with P.E. stamping ability in all 50 states.

Over 1500 projects completed, exceeding 5,000,000 covered s.f.

 

APPLICATIONS AND USES

  • Arboreta

  • Research/Education

  • Retirement and Extended Care Facilities

  • Horticultural Therapy

  • Pool Enclosures

  • Smoking Shelters
    		•
     
     
    Cornell University
    Florida State University
    American Orchid Society
     
     

    FLEXIBLE BY DESIGN
    With the largest engineering staff in the industry, we'll work with you and your client to create exactly what you need:

  • Architectural style

  • Finish and Color

  • Venting

  • Covering

  • Computer Controls

  • Irrigation

  • Benching

  • Lighting


    • RELIABILITY AND ADAPTABILITY

    Numerous high-performance, low maintenance features are designed into every structure. So, you can specify National with pride and confidence.
    Factory welded trusses and color-coded, pre-drilled structural components simplify installation.
    Additions, covering and usage changes are easy since our systems are pre-engineered with this in mind.

    SPECIFY NATIONAL TO SPEC A SUPERIOR GREENHOUSE
     
     
    Purdue University
    Toledo Zoo - Butterfly exhibit
    UCLA