Vertical Lift Door

The HERCULES Series Vertical Lift cold storage door is a cold storage system that is available in multiple thicknesses, widths, and heights. It is flexible in design, and can be applied to multiple building applications. Hercules cold storage doors provide superior airtightness, thermal performance of high R-value, and low thermal bridging. This can result in an energy cost savings of as much as 30% over traditional multi-part cold storage doors.

Features & Specifications

Product Benefits

  • Ideal for applications where there is minimum side room, or when several door openings are close together
  • Suitable for drive-thru traffic in conjunction with forklifts and other freight transfer vehicles
  • Available with electric or manual operation
  • Double vertical lift door is also available if head room is limited to slightly more than half the door height
  • Custom counterweight made to match the weight of each individual door
  • Every electric door is bench tested before shipping
  • Durability and safety are ensured by use of NEMA 4 control box
  • All heavy duty hardware and tracks are built for long-lasting usage.
  • Bearings are sealed in grease and require no further lubrication. Maintenance is low and consists of light machine oil on easy to remove drive chain and track.
  • For electric doors, Pneumatic safety device along the entire length of the bottom of the door stops and reverses the door to fully open position if any obstruction is encountered while closing

Technical Specifications

Standard Sizes (Custom options available)​:

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

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

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

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

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

  • 3 in J-type tracks
  • Lift points on both sides of door connected to single counterweight
  • Door panel suspended on two 4 wheel ball-bearing trolleys
  • Floor mounted, adjustable, non-marring, self-lubricating stay rollers
  • Manual disconnects on front and back of door with concealed release


  • 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 devices
  • 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
  • Electric interlock
  • Pedestrian pass door
  • Heated control panel
  • Custom designed doors to meet your individual needs

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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