Tunnel Doors

We offer a large selection of poultry facility tunnel doors for evaporative cooling systems.

  • State of the art cutting machine and press ensure consistency and precision throughout the manufacturing process.
  • All doors are UV coated for maximum protection from the elements.
  • Ecofoam® injected cores with reinforced fiberglass skins, resistant to harsh litter treatments.
  • A unique interlocking system that eliminates the need for stubborn H-Channels.
  • 1 5/8 inch thickness with R-Value of 11+ & 1 inch thickness with R-Value of 8+.
  • Heavy duty aluminum hinges with stainless steel rods.
  • Custom sizes available to fit a majority of openings.


L.B. White Tunnel Doors exclusively use Ecofoam® insulation, which is the benchmark in environmental compliance and responsibility. Ecofoam® is the most robust rigid foam system on the market today, with unmatched performance proven superior in side-by-side comparisons to other systems. Ecofoam® also has no global warming potential (GWP), has no ozone depletion potential (ODP), and is VOC-exempt.

Environmentally Responsible

  • Zero Global Warming
  • Zero Ozone Depletion
  • VOC Exempt
  • EPA / SNAP Compliant
  • Marine Safe Ingredients
  • Formaldehyde Free
  • Urea-Formaldehyde Free
  • Penta-BDE Free
  • Asbestos Free
  • Montreal Protocol Compliant
  • Kyoto Protocol Compliant
  • Kigali Amendment Compliant

Tunnel Door Hinge

Standard heavy duty extruded aluminum hinge with stainless steel pin and wide leaf at bottom to prevent wood from splitting during installation.

Tunnel Door Cap

The connecting rail is built into the aluminum cap. No aggravating H channels or extra parts to order!

Looking for tunnel door accessories? R Supply offers several winching and gasket options:


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