Cold Room System

Prefabricated modular cold storage facilities with PU / Rock Wool sandwich panels, refrigeration units and complete accessory packages — precision temperature and humidity control for food, pharma and industrial cold chain.

−40°C

Min Operating Temp

50–250mm

Panel Thickness

930/1130mm

Panel Width

3 cores

PU / RW / PU+Seal

A complete cold-chain envelope, engineered as one system

Large cold storage rooms are usually built with high-quality cold room panels, doors, and refrigeration equipment. The internal temperature depends on the specific storage requirements of the products.

The walls, ceilings, and floors are designed to minimize heat loss and maximize energy efficiency. Advanced refrigeration systems regulate temperature and humidity in these rooms — compressors, condensers, and chillers work together to maintain optimal conditions.

Vikkins delivers the entire envelope from a single source: panels, doors, evaporators, condensing units, electrical packages, and refrigeration controls.

Every part of the cold-chain envelope

Cold Room Panels

PU, Rock Wool, or PU with edge sealing strip core. Camlock joints for airtight modular assembly.

Cold Room Doors

Insulated cold-room doors with heated frames, EPDM seals, and stainless steel hardware. Manual or automatic.

Refrigeration

Pre-matched evaporators and outdoor condensing units sized to room volume and target temperature.

Accessories

Cold room lamps, pressure balance windows, electrical boxes, defrost timers, and temperature controllers.

Panel specifications across three core options

Parameter	Color Steel Plate	Al-Mg-Mn Plate	Stainless Steel Plate
Inner / Outer Plate Thickness	0.4–0.8 mm	0.4–0.8 mm	0.4–0.8 mm
Effective Width (mm)930 / 1130 (customizable)
Expanded Width (mm)Effective width +70 (outer) / +70 (inner)
Core TypesPU · Rock Wool · PU with Edge Sealing Strip
Production Thickness (mm)50 / 75 / 100 / 120 / 150 / 180 / 200 / 250
Density (kg/m³)40 ± 2
Surface PatternFlat · Square Wave · Small Wave

Panel sizing & temperature performance

Panel thickness selected against interior–exterior temperature difference and applicable cold storage temperature. Calculations based on a unit area heat flow of 8–10 W/m².

Panel Thickness mm	Interior–Exterior ΔT °C	Wall Panel Height m*	Roof Panel Length m**	Applicable Cold Storage Temperature °C
100	30	5	4.45	−15
125	35	5.5	5.2	−20
150	50	6	5.85	−25
175	65	6.5	6.3	−30
200	75	7	6.8	−40

m*/m**: Under external pressure and shrinkage conditions, without wind load. Exceeding lengths or with wind load require additional steel support beams or suspensions.

Panel Type	Application	Effective Width mm	Optional Length m	Optional Thickness mm	Surface Layer	Appearance
Ice & Snow Insulated Composite Cold Storage Panel	Ice and Snow Facilities	700–1200	25	100/125/150/ 175/200/240	Color-Coated Steel, Galvanized Steel, Aluminum, Stainless Steel	Flat / Square Wave / Water Ripple

Performance Requirement	Test Rating	Testing Standard
Fire Resistance	Class A Fire Retardant	GB8624–2012
Thermal Insulation	0.038–0.041 W/m·K	GB/T23932–2009
Airtightness	Level 4	GB/T21086–2007
Watertightness	Level 4	GB/T21086–2007
Wind Pressure Resistance	Level 5	GB/T21086–2007

Cold Storage Panel for Ice & Snow Stadiums

Indoor cold storage panel for ice rinks adopts fire-resistant rock wool as core material. High-quality color-coated steel for outer metal facing. Specially developed for walls and ceilings of ice rink environments — including joint foaming and edge-sealing technology.

Thickness up to 240 mm for ice & snow venues
“Thermal break” technology for professional cold storage
A-grade fire resistance
Excellent sealing, water resistance, air-tightness, wind pressure resistance
High load-bearing capacity · custom accessories available

Handmade Cold Storage Panel

This hook-type polyurethane connection method makes on-site cold room installation easy and efficient — ideal for small to medium-sized cold room construction.

Parameter	Color-Coated	Al-Mg-Mn	Stainless
Inner/Outer Thickness	0.4–0.8	0.4–0.8	0.4–0.6
Standard Width	960 mm (customization available)
Cold Room Panel Thickness	50 / 75 / 100 / 120 / 150 / 200 mm
Foam Density	40–45 kg/m³

JH Series — Single sliding cold storage doors

JH Series — Manual Sliding

Specifications
Core Material	Rigid Polyurethane Foam
Optional Panel	Color-Coated Steel / Stainless Steel
Door Thickness	100 mm · 150 mm
Dimensions	Customizable
Internal Emergency Release Device	• Standard
Heating Strip	⊗ Optional · Anti-fog Glass Window optional

Top-suspended manual sliding leaf with rigid polyurethane core for general-purpose cold storage rooms. Offered in color-coated steel or 304 stainless steel skins, in both corrugated and flat finishes.

Standard 100 mm and 150 mm thickness with internal emergency release as standard. Optional heating strip and anti-fog glass viewing window.

JH Series — Manual Sliding

Electric sliding offered with two motion systems: Synchronous Belt for quiet, smooth operation, or Rack-and-Pinion for heavy-duty cycling. External + internal openers and wireless button + handheld remote control standard.

Core Material	Rigid Polyurethane Foam
Door Thickness	100 mm · 150 mm
Internal Emergency Release	• Standard
Opening Method	Wireless Button + Handheld Remote
Options	Heating Strip · Anti-fog Glass Window

Hinged cold room doors — single & double leaf

Single-Leaf — Semi-Recessed

Core Material	Optional Panel	Dimensions
Rigid Polyurethane Foam	Color-Coated / 304 Stainless Steel	Customizable

Door Thickness	Internal Emergency Release	Heating Strip
100 mm	• Standard	⊗ Optional
150 mm	• Standard	• Standard

Others: Optional anti-fog glass viewing window

Double-Leaf — Semi-Recessed / Bar Handle

Core Material	Optional Panel	Dimensions
Rigid Polyurethane Foam	Color-Coated / 304 Stainless Steel	Customizable

Door Thickness	Internal Emergency Release	Heating Strip
100 mm	• Standard	⊗ Optional
150 mm	• Standard	• Standard

Others: Wider opening for forklifts & pallets · Optional anti-fog glass window

Single-Leaf — Fully Recessed / Auto-Return

Core Material	Optional Panel	Dimensions
Rigid Polyurethane Foam	Color-Coated / 304 Stainless Steel	Customizable

Door Thickness	Internal Emergency Release	Heating Strip
100 mm	• Standard	⊗ Optional

Others: Self-closing for high-traffic environments · Optional anti-fog window

Double-Leaf — Semi-Recessed / Bow Handle Lock

Core Material	Optional Panel	Dimensions
Rigid Polyurethane Foam	Color-Coated / 304 Stainless Steel	Customizable

Door Thickness	Internal Emergency Release	Heating Strip
100 mm	• Standard	⊗ Optional
150 mm	• Standard	• Standard

Others: Compression-style for ultra-tight seal · Optional anti-fog window

High-speed doors — spiral & rolling for cold-chain access

Engineered to minimize cold-air loss in high-traffic environments. Two product families serve different speed, thickness, and integration needs — from heavy-insulation spiral doors operating above 4 m/s to lightweight rolling doors for economical thermal separation.

S Series — High-Speed Spiral Door

4 m/s

Spiral guide rail technology — the fastest opening speed in its class

Specification	Value
Available Thicknesses	2 / 4 / 6 / 8 / 10 cm
Peak Opening Speed	> 4 m/s
Drive Technology	Spiral Guide Rail

The S Series achieves peak speeds exceeding 4 meters per second — no other rolling door system in its category can match this opening speed. The patented spiral guide rail eliminates contact between door panel and rail during operation, dramatically reducing wear and noise while maximizing cold retention.

Insulation Range

2 – 10 cm Panels

Insulation Range

2 – 10 cm Panels

Available Configurations

Circular Spiral

Standard configuration

Best solution where sufficient overhead space is available. Circular guide rail follows standard specifications.

Elliptical Spiral

Compact footprint

Saves overhead space — ideal where structural constraints limit vertical clearance above the door opening.

Low-Threshold Rail

Maximum safety

Specially designed guide rail ensures maximum safety for personnel and vehicles during high-speed opening cycles.

R Series — High-Speed Rolling Door

Economical

Lightweight thermal separation for everyday cold-chain operations

Construction Layer	Thickness	Quantity
Outer Fabric Layer	0.8 mm	2 layers
Insulation Cotton (interior)	20 mm	1 layer

High-speed open/close cycles minimize cold-hot air convection, helping maintain stable internal temperature and reducing acoustic transmission. Available in customizable colors to match facility branding or visual zoning requirements.

Insulation

Thermal & Acoustic

Customization

Multiple Colors

Semi-hermetic & box-type condensing units

Semi-Hermetic Condensing Unit

Multiple compressors in parallel — incorporating liquid-gas separator, gas-liquid separator, oil separator, oil cooler, and receiver to form a complete refrigeration cycle.

Large cooling capacity & centralized control
Ideal for ultra-low temperature cold storage
Pharmaceutical, food, ice-making applications
Supports cold chain refrigeration cycles

Box-Type Condensing Unit

Fully enclosed box-type condensing series with integrated electrical control. Supports operating temperatures of 5 to 15°C, −5 to −5°C, and −15 to −20°C.

Compact & pre-wired for easy commissioning
Hotels, restaurants, food processing
Hygiene & agriculture industries
Multiple temperature bands available

Semi-hermetic & box-type condensing units

D Series Air Coolers

Indoor cooling device matched with various refrigeration units, used to maintain temperature inside cold storage rooms. Three application ranges:

DL type — ~ 0°C, preserving fresh goods
DD type — ~ −18°C, frozen goods
DJ type — −25°C to −30°C, quick-freezing

Model: DHF−28/40/4−E−A

Fan diameter · Cooling capacity (kW) · Heat transfer area (m²) · Number of fans · Defrost type · Voltage

DHF Series Dual Discharge Air Coolers

Widely used in food processing rooms where personnel are present. Air discharged from both sides to maintain even cooling. Three types: W, D, J — suitable for 0°C and −18°C applications.

Full aluminum or stainless steel casing
All-copper tubes with mechanical expansion for high-efficiency heat transfer
Low-noise axial fans · dual air discharge · quiet operation
High-efficiency stainless steel electric defrost tubes evenly distributed in coil area

Specify a Cold Room System for your project

Talk to our cold-chain specialists about volume, target temperature, throughput cycles and refrigeration sizing. We'll deliver a complete system — panels, doors, refrigeration, controls — ready to install.