Horizontal Sliding Door

The HERCULES Series Horizontal Sliding cold storage door is a cold storage system that is available in multiple thicknesses, widths, and heights. It is flexible in design, making it applicable to multiple design applications. Our cold storage doors provide thermal performance of high R-value, superior airtightness and low thermal bridging. The results can be an energy cost savings of as much as 30% over traditional multi-part cold storage doors.

Features & Specifications

Product Benefits

  • Utilized for both pedestrian and material handling traffic, this design is perfectly suited for applications where space limitations restrict the use of swinging doors, or when installation space is available only on one side of the door opening
  • Most suitable when opening speed is not of great importance
  • Available with electric or manual operation

Technical Specifications

Standard Sizes (Custom options available)​:

  • Width - 5' - 10'
  • Height - 7' - 14'
  • Thickness - 4", 6"
  • R-Value - 33, 50
  • Insulation - Foamed-in-place polyiso CFC-free
  • Door Panel - Structural frame consists of HDPE structural framing clad with the specified metal.

Vertical Casings and Header: High density plastic lumber clad with the specified metal.

Metal: 24, 26 gauge stucco embossed, painted galvanized steel

Hardware: Heavy duty hardware and track coated for corrosion resistance, including:

  • Double “J” door track
  • Door panel suspended on two 4 wheel ball-bearing trolleys
  • Floor mounted, adjustable, non-marring, self-lubricating stay rollers
  • Spring loaded idler sprocket with adjustment to maintain proper drive chain tension
  • Manual disconnects on front and back of door with concealed release

Gaskets: Cloth reinforced neoprene gaskets, bulb type on vertical casings and header and sweeper gasket on bottom of door panel

Safety Edge: Full height pneumatic instant reversing safety edge on bottom of door panel

Defrost: Freezer doors equipped with 120 volt perimeter cables to keep gaskets frost free

Operation: Manual, Electric


  • Stucco embossed aluminum cladding
  • Stainless steel cladding
  • Freezer door with 120 V perimeter heater cable
  • 12” x 12” insulated or heated vision panel
  • Rain hood
  • Kickplates
  • Locking device
  • Inside casings
  • Standard or high speed operator
  • Radio control open/close
  • Photo cell open/close/safety
  • Motion detector open/close/safety
  • Loop detector open/close/safety
  • Time delay close
  • Closing signal warning control
  • Partial opening pedestrian control
  • Electric interlock
  • Pedestrian pass door
  • Heated control panel
  • Custom designed doors to meet your individual needs

Hercules Power Operator UL Listed:

  • Operator listed under UL standard 508A for industrial control panels
  • Brushless DC motor system provides necessary power in compact package
  • NEMA-4 control box with adaptive controller
  • Pneumatic instant reversing safety edge
  • External wiring enclosed in waterproof flexible conduit
  • Calibration to any door size with external battery backup
  • Roller drive chain incorporating special link for manual disconnect

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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