Cold Room Sliding Door
Manual Cold Room Sliding Door with Single-leaf: moves horizontally along the side of the opening. Best for entryways and personnel access.
Manual Cold Room Sliding Door with Double-leaf: Use two door panels to provide a wider access opening. Perfect for wider equipment and mid-sized manual pallets.
Electric Cold Room Sliding Door with Single-leaf: Heavy-duty micro-switch motor-driven mechanism for powered opening and closing.
Electric Cold Room Sliding Door with Double-leaf: Utilize radar, pull-cord, or push-button sensors to improve efficiency for personnel, pallets, or equipment in larger cold storage facilities.
Heavy-duty Cold Room Sliding Door: To accommodate larger openings, heavier door leaves, or demanding industrial traffic.
Available Sizes of Sliding Cold Room Door
| Type | Cold storage | Transportation vehicle | Door building dimensions (width, height, thickness) | Door opening dimensions (width, height, thickness) | Cold storage door dimensions |
| Sliding Cold Room Door | Cold storage warehouse | 2.5T forklift | 2000*2600*XX | 1800*2500*XX | 1940*2540*150 |
| 3T forklift | 2300*2800*XX | 2100*2700*XX | 2240*2740*150 | ||
| Quick-freezing | Manual trolley | 1400*2200*XX | 1200*2100*XX | 1340*2140*200 | |
| 1.5T forklift | 1700*2500*XX | 1500*2400*XX | 1640*2440*200 | ||
| Fresh food storage | Manual trolley | X | 1500*2200*XX | 1640*2240*100 | |
| 2.5T forklift | X | 1800*2500*XX | 1940*2540*100 | ||
| 3T forklift | X | 2100*2700*XX | 2240*2740*100 | ||
| Acid removal warehouse | Tractor track | X | 1500*2700*XX | 1640*2740*100 | |
| X | 1500*2300*XX | 1640*2340*100 | |||
| X | 1500*3900*XX | 1640*3940*100 |
Sliding Cold Room Door Specification
- Manual
- Electric
- Heavy-duty
- Certification
The manual sliding cold room doors are available in premium color-coated steel, 304 stainless steel, or embossed aluminum plates, offering durability, corrosion resistance, and food-safe washdown capabilities.
Our panels are available in standard insulation thicknesses of 75mm and 100mm to ensure optimal thermal barrier performance and lower energy costs.
It has a high-strength aluminum-plastic door frame, a low-friction side-sliding track system, and a specialized outward-opening door mechanism for smooth and low-effort daily operation.
The doors are equipped with a panic lock.
The electric sliding cold room doors’ surface materials include color-coated steel, 304 stainless steel, or embossed aluminum plates, and available insulation thicknesses are 100mm, 120mm, and 150mm, which ensures optimal thermal barrier and lower energy costs.
It can be used in a wide variety of layouts and automated traffic lanes and can be configured in both single-leaf and double-leaf split-opening configurations.
The doors are equipped with a panic lock.
Miracle heavy-duty sliding cold room doors are for applications where the door assembly must handle larger and heavier industrial access.
They are available with 100mm, 150mm, or 200 mm door thickness, single-leaf or double-leaf opening, and customized dimensions.
The product line includes heavy-duty industrial door panels, tracks, rollers, door frames, drive systems, side-sliding tracks, electrical control boxes, gear racks, etc.
Each of our door systems is certified under key international regulatory frameworks, including CE certification for relevant European markets, ISO for manufacturing and quality management, CCC for robust electrical and manufacturing safety standards, FM for premium property conservation and fire-safe testing, and ISCC for sustainability and environmental compliance.
Features of Sliding Cold Room Door
Frame and Panel
Our door panels are constructed of an exterior thickness of 1.5mm. It undergoes high-density polyurethane injection, resulting in a perfectly flat, smooth appearance and good thermal insulation. It is equipped with a self-regulating heating tape.
The front frame is 200mm wide and features a removable cold-bridge heating groove for easy maintenance. Our entire sliding door assembly boasts a low thermal conductivity rating of 0.183 W/m²K,
They provide Miracle sliding cold room doors with the thermal defense needed to stabilize internal temperatures in high-traffic commercial cold storage facilities.
Motors and Drives
Our sliding cold room doors are equipped with a high-performance drive system that uses German-engineered, high-density, oil-impregnated nylon racks and POM gear systems, ensuring exceptional wear resistance and self-lubricating longevity. It can easily pull up to 2000 kg.
The automation system of our sliding door is powered by a robust 1000W Taiwan ICM intelligent servo motor with precise acceleration and deceleration control. Its integrated power switches feature a fully enclosed IP67 waterproof design.
It is optimized for extremely low-temperature environments, and the motor includes an automatic heating and constant-temperature system that prevents components from seizing in deep-freeze climates.
Control and Operation
The sliding cold room doors have a highly controlled system powered by a built-in 4.33kHz wireless module and come fully equipped with a waterproof single-button remote control, a manual pull-cord switch, and a dual-button control with a fully digital servo drive controller.
It is also compatible with smart logistics networks such as automated guided vehicles (AGVs) and conveyor lines. It has high-speed door open-and-close cycle times at variable speeds of 0.3 to 1.0 meters per second, which ensure fast access to all zones, drastically reduce thermal convection, and lower energy losses.
We’ve built this sliding door entirely with corrosion-resistant hardware and sealed components that fully comply with global food safety and sanitary hygiene standards.
Sealing strip
Our sliding cold room door’s primary sealing strip is fabricated from premium-grade EPDM rubber.
Its structure remains reliable and provides long-term elastic performance across temperature ranges of -50°C to +130°C. Our system has an anti-tear, adjustable frame gasket layout to ensure a tight seal.
Its space-saving design maximizes usable floor and wall space and significantly reduces ambient air exchange between temperature-controlled zones, thereby lowering energy consumption and operating costs.
Hardware
Our sliding cold room door’s entire hardware tracking and mounting assembly has a long operational lifespan of at least 1000000 cycles.
All of our structural hardware components are made of 304 stainless steel with a high nickel (Ni) content of approximately 8%, which guarantees exceptional rust prevention and superior long-term corrosion resistance.
It has a robust European-style heavy-duty track designed to easily support heavy door panels weighing up to 1500kg. Its chainless design, paired with a one-piece gasket washer system, reduces operational maintenance.
Advantages of Cold Room Sliding Door
Why Choose Miracle Sliding Cold Room Door?
- Advantages
- Accessories
- Case
The cold room sliding door’s guide rail system is made of heavy-duty aluminum alloy, with an internal guide wheel and a pressure wheel working together to separate the door from the door frame when opening and to press it against the door frame and floor when closing.
Additionally, the assembly is equipped with an integrated anti-deformation device that neutralizes stresses caused by extreme temperature differences.
Miracle can configure the door with the accessories required for manual or electric operation and different cold-room layouts.
Some main accessories include aluminum-plastic door frame, side-sliding track, panic lock, electrical control box, motor and gear rack, sealing strip, heating belt-groove, stainless-steel hardware, etc.
The final accessory configuration should be determined by the door type, opening size, operating method, temperature, and traffic conditions. Contact us now to get more details.
Sliding cold room doors are useful where a cold-storage entrance is accessed repeatedly, and the available space beside the opening can accommodate the sliding door leaf.
It is commonly used in food processing and prepared-meals facilities, cold-chain logistics, distribution centers, pharmaceutical and biomedical storage, and fresh-produce warehousing.
Catalog of Hinged Cold Room Door
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Gallery of Sliding Cold Room Door
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A cold room sliding door is a high-density polyurethane-core, food-safe, metal-finished insulated access door designed to maintain the thermal barriers of temperature-controlled rooms while allowing practical movement of personnel, pallets, forklifts, and goods.
Miracle’s sliding doors are available in the following configuration with customized dimensions for different cold-storage layouts.
The two most important steps while installing a cold room sliding door are to guarantee an airtight thermal seal and smooth tracking. Here is a typical installation sequence, step by step:
- Verify the opening: Confirm clear opening width and height, wall or panel thickness, floor level, and side space need to be fully open for the door leaf.
- Install and align the frame: Fix the door frame securely in level, plumb, and square before installing the moving components.
- Install the sliding track: Secure the guide rail according to the door configuration, as incorrect positioning can increase rolling resistance.
- Mount the door leaf: Position the insulated door panel on the rollers or sliding mechanism and adjust the height so it travels smoothly without binding.
- Adjust the sealing system: When closed, the door should move into its sealing position, and when opened, the door should separate from the sealing surfaces to avoid unnecessary gasket friction.
- Install accessories and controls: Fit the panic lock, handles, electrical control box, motor, gear rack, and other specified accessories for electrical configurations.
- Commission the door: Finally, test opening and closing several times, check gasket contact, track movement, emergency/manual operation, and, where applicable, heater and control functions.
Miracle meets international quality, safety, and other compliance standards across global industrial projects.
You just need to tell us the destination country, required certification, project standard, and documentation requirements when requesting a quotation.
We can then confirm which certificates and technical documents apply to your selected sliding cold room door configuration.