In-Fitting Door

The HERCULES Series In-fitting Hinged cold storage door is a cold storage system that is available in multiple thicknesses, widths, and heights. It is also applicable to multiple building design applications. Hercules cold storage doors provide thermal performance of high R-value, superior airtightness and low thermal bridging, resulting in an energy cost savings of as much as 30% over traditional multi-part cold storage doors.

Features & Specifications

Product Benefits

  • Quick and easy installation
  • Excellent thermal properties
  • Extensive range of options
  • Suitable for both interior and exterior applications
  • Available as two-panel or double hinged door for larger openings

Technical Specifications

Standard Sizes (Custom options available)​:

  • Height - 2' 6" - 8'
  • Width - 2' - 5' 6"
  • Thickness - 4", 6"

Internal Framing:

  • High Density Polyethlene


  • 24 Gauge white stucoo embossed galvanized steel
  • AZ50 Galvalume per ASTM-A792/A792M. SS Gr. 33
  • 24 gauge Stainless Steel


  • Stainless Steel finish
  • Stainless Steel hardware
  • Cooler & Freezer
  • Exit only hardware
  • Flush sill or High sill
  • Extra Heat
  • Solid Return Jambs with Inside(Back) Casings
  • Rainhood
  • Door Closer
  • Kick plates
  • Vision Window
  • Self-lubricating cam lift hinges raise the door when opened providing reduced friction on floor seal
  • Safety release latch allows the door to be opened from the inside even though padlocked from the outside

Thermal Performance

Thermal Properties:

  • R-Value - 33, 50
  • Insulation - Foamed-in-place polyiso CFC-free

Service & Warranties


Since its creation, HERCULES has been dedicated to serving its customers with products that satisfy the highest level of specification and which achieve all major international industry certification standards.

We have built our success on precise and timely response to customer needs, thanks to our dedicated and qualified personnel.

We deliver a full turn-key service, from the design stage through to after sales care, in our core markets, as well as in many export destinations around the world.


After 64 Years we know how to make a dependable door. That’s why we can offer the cold storage industry’s best warranty. Every door that leaves the HERCULES plant is available with a 5 year limited warranty against defects in both material and workmanship from the date of shipment. Simply stated it is the best warranty in the business.

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