Stainless Cold Room Panels
Superior Thermal Insulation: Engineered to maintain stable temperatures in environments such as refrigeration and freezer rooms.
Energy-Efficient & Economical: Reduces energy loss, enhancing efficiency and lowering operational expenses.
Moisture-Resistant: Prevents mold and bacteria growth, ensuring a hygienic environment.
Robust & Durable: Provides exceptional strength and stability, even in challenging conditions.
Quick Installation & Customizable: Flexible design options and easy installation, making it ideal for cold storage facilities, supermarkets, and food processing plants.
Product Introduction
Cold Storage Panels are engineered to achieve peak energy efficiency. Their outstanding thermal insulation and durability make them well - suited for challenging environments. Resistant to moisture and boasting high strength, these panels are ideal for cold storage rooms, freezers, and refrigerated warehouses. They safeguard the quality of stored products and cut down on operational energy expenses, thus being a top pick for any cold storage setup.
Product Details
Standard Colors: White gray, crimson, silver, sea blue, etc.
Recommended Coatings: PVDF, SMP, HDP, PE
Production Process: Unwinding, pressing, laying, double-track curing molding, drying, cooling, stacking, and packaging
Product Specifications
Product Name | Cold Storage Panel |
Width | 500-1120mm |
Panel Length | According to customers’ request /Customizable |
Core | Polyurethane |
Core Thickness | 30-250mm |
Density Of Core | 35-45kg/m³ |
Thermal Conductivity | <0.023 |
Steel Thinckness | 0.4mm-0.8mm |
Steel Color | White, gray, blue, red, etc |
Galvanized Layer Of Steel Plates | Exterior plate and Inner plate: Aluzinc ， Zinc coating，Alu-Zn-Mg |
Metal Sheet | Color Coated Steel Sheet / Stainless steel plate/Alu-zinc plate |
Company Advantage | 1.We are manufacturer. |
2.We have more than 20 years experience. | |
3.We promise the high quality. | |
4.We have our own technical team. |
Stainless cold room panels are insulated building components engineered for use in temperature-controlled environments such as cold storage, freezers, food processing facilities, and pharmaceutical warehouses. These panels combine a core insulation material—typically polyurethane (PU), polyisocyanurate (PIR), or EPS—with stainless steel outer skins, offering hygienic, corrosion-resistant, and structurally robust solutions for low-temperature applications.
This guide provides a technically rich overview of stainless cold room panels, covering composition, thermal performance, regulatory compliance, installation practices, and pricing considerations.
Table of Contents
What Are Stainless Cold Room Panels?
Material Composition and Engineering Design
Thermal Insulation and Performance Ratings
Key Advantages of Stainless Steel Cladding
Industry Standards and Certifications
Common Applications
Installation Guidelines and Safety Considerations
Frequently Asked Questions (FAQs)
Conclusion and Professional Call to Action
1. What Are Stainless Cold Room Panels?
Stainless cold room panels are factory-fabricated sandwich panels composed of:
Inner Insulating Core: Polyurethane (PU), PIR, or EPS
Outer Facing Skins: Food-grade stainless steel (commonly SS304 or SS316)
Joint Systems: Cam-lock, tongue-and-groove, or concealed fasteners for airtight assembly
These panels are engineered to maintain thermal efficiency, moisture resistance, and mechanical integrity under continuous refrigeration or freezing conditions ranging from +10°C to –40°C.
2. Material Composition and Engineering Design
Insulating Core Materials:
| Core Material | Thermal Conductivity (λ) | Temp. Resistance | Notes |
|---|---|---|---|
| PU | 0.021–0.023 W/m·K | –50°C to +80°C | High insulation, cost-effective |
| PIR | 0.020–0.022 W/m·K | –60°C to +100°C | Enhanced fire resistance |
| EPS | 0.032–0.038 W/m·K | –40°C to +80°C | Economical, lower R-value |
Grade: SS304 (standard); SS316 (chemical resistance)
Thickness: 0.5 – 0.8 mm typical
Finish: 2B, matte, hairline, or embossed for anti-slip applications
Standards: ASTM A240 / EN 10088-2
Panel Dimensions:
Standard Thicknesses: 50mm, 75mm, 100mm, 150mm, 200mm
Width: 960 mm or 1,000 mm
Length: Up to 6,000 mm (customizable)
3. Thermal Insulation and Performance Ratings
Thermal Performance Indicators:
R-value (100mm PU panel): ~R-6.5 to R-7.0 per inch
U-value (100mm PU): 0.30–0.35 W/m²·K
Thermal bridge prevention: Achieved using cam-lock joints and integrated vapor barriers
Air and Vapor Tightness:
Air permeability: ≤ 0.001 m³/h·m² at 50 Pa (EN 12114)
Water vapor diffusion resistance factor (μ): >50 for PU cores
Seams sealed with non-toxic silicone or expanding fire-rated foam
4. Key Advantages of Stainless Steel Cladding
Corrosion Resistance: Essential for humid, saline, or food-grade environments
Food Safety Compliance: Stainless steel is non-porous, anti-bacterial, and easy to sanitize
Mechanical Strength: High tensile and flexural strength for high-traffic or impact-prone areas
Longevity: Resistant to rust, chemical cleaners, and oxidation
Fire Behavior: Non-combustible outer skin with fire-resistant PIR or mineral wool core options
🧪 Pro tip: For meat processing or fish cold storage, always opt for SS316 with anti-slip embossed finish.
5. Industry Standards and Certifications
International Compliance:
| Standard | Description |
|---|---|
| EN 14509 | Self-supporting double skin metal faced insulated panels |
| HACCP / ISO 22000 | Food-safe design for hygienic environments |
| FM Approved | Factory Mutual approval for insulated panels (fire safety) |
| ASTM E84 | Surface burning characteristics |
| EN 13501-1 | Fire classification of construction products |
| EU Regulation 1935/2004 | Materials in contact with food |
6. Common Applications
| Sector | Use Case |
|---|---|
| Food & Beverage | Meat, dairy, seafood cold storage rooms |
| Logistics | Walk-in freezers, refrigerated warehousing |
| Pharmaceutical | Cleanrooms, vaccine storage, GMP zones |
| Hospitality | Restaurant and hotel cold rooms |
| Agriculture | Floriculture cold chains, fruit ripening chambers |
7. Installation Guidelines and Safety Considerations
Pre-Installation:
Confirm substructure alignment and vapor barrier installation
Plan for integrated floor drains, lighting, or evaporators in design stage
Maintain site temperature >5°C during installation (for PU expansion reliability)
Panel Assembly:
Panels joined via cam-lock or tongue-and-groove systems
Use stainless steel screws and non-corrosive sealants
Floor-to-wall and wall-to-ceiling joints require angle brackets or sanitary coving
Post-Installation Checks:
Airtightness test (blower door test optional)
Thermal imaging for cold bridging detection
Fire sealant check around all service penetrations
8. Frequently Asked Questions (FAQs)
Q1: How do stainless cold room panels compare to PPGI panels?
Stainless panels offer superior corrosion resistance, longer lifespan in moist or saline environments, and meet food hygiene requirements—whereas PPGI (pre-painted galvanized steel) is less durable and more prone to scratching and oxidation.
Q2: What is the typical lifespan of stainless cold room panels?
With proper maintenance, stainless panels can last over 25–30 years, especially in hygienic or chemical exposure areas.
Q3: Are there fire-rated stainless cold room panels?
Yes, panels with PIR or mineral wool cores and SS cladding can achieve fire resistance ratings up to EI 120, subject to third-party testing.
Q4: Can panels be customized with windows, doors, or service ducts?
Absolutely. Most manufacturers offer pre-fabricated cutouts for cold room doors, viewports, piping, and integrated lighting fixtures.
Q5: What surface finishes are available?
Options include 2B smooth, matte brushed, embossed anti-slip, or PVC film-coated for added protection during transport/installation.
9. Conclusion and Professional Call to Action
Stainless cold room panels are the cornerstone of hygienic, energy-efficient, and fire-compliant cold storage construction. With superior thermal insulation, moisture resistance, and compliance with global food safety standards, they are indispensable for modern temperature-controlled environments.
Whether for a GMP-compliant pharmaceutical warehouse, a HACCP-certified food processing facility, or a logistics cold chain, these panels offer long-term durability and operational efficiency.
