Metal Sandwich Panel for Cold Storage Exterior Wall 100mm PU Insulation With Camlock Joint
Product Spotlights
As a leading manufacturer from Hemaokang Steel (Shandong) Co., Ltd., we are proud to introduce our Metal Sandwich Panel for Cold Storage Exterior Wall – 100mm PU Insulation with Camlock Joint. This high-performance panel is specifically engineered to meet the rigorous demands of modern cold storage facilities, offering exceptional thermal efficiency, structural integrity, and rapid installation. With our ISO9001-certified production processes and annual export value exceeding US$50 million, we deliver reliable solutions trusted by clients across North America, Europe, Asia, and beyond. Whether you are constructing a new cold storage warehouse or upgrading an existing facility, our panels provide the perfect balance of insulation performance and durability.
Key Features & Advantages
- Superior Thermal Insulation: The 100mm thick polyurethane (PU) core delivers a thermal conductivity as low as ≤0.024 W/m·K, significantly reducing energy consumption for cooling systems and maintaining stable internal temperatures.
- Camlock Joint System: Our patented camlock locking mechanism ensures a tight, secure fit between panels, eliminating thermal bridges and simplifying installation. The camlock joint reduces on-site labor time by up to 30% compared to traditional tongue-and-groove systems.
- Robust Metal Facings: High-strength steel or aluminum facings provide excellent impact resistance, weather protection, and load-bearing capacity. The panels are suitable for exterior walls exposed to harsh environmental conditions.
- Fire & Safety Performance: The PU core can be manufactured with optional fire-retardant additives to meet specific fire safety requirements (e.g., B1, B2 grades). Our panels are designed to comply with international building codes.
- Customizable Dimensions: Standard widths of 1000mm and 1200mm, with lengths customizable up to 12 meters. Special sizes are available upon request to fit your project needs.
- Easy Maintenance: The smooth or embossed metal surface resists dirt and corrosion, requiring minimal cleaning and upkeep. The panels are also resistant to mold and mildew growth.
Technical Specifications
| Parameter | Value |
| Panel Thickness | 100mm |
| Core Material | Polyurethane (PU) foam |
| Core Density | 38-45 kg/m³ |
| Thermal Conductivity | ≤0.024 W/m·K |
| Compressive Strength | ≥150 kPa |
| Tensile Strength | ≥0.10 MPa (perpendicular to faces) |
| Face Material Thickness | 0.4mm – 0.8mm (steel or aluminum) |
| Standard Width | 1000mm / 1200mm |
| Maximum Length | 12,000mm (customizable) |
| Joint Type | Camlock locking system |
| Fire Rating | Optional (B1, B2, etc.) |
Customer Benefits
- Energy Savings: The ultra-low thermal conductivity reduces heat transfer, cutting cooling costs by up to 40% compared to conventional insulation materials.
- Faster Construction: The camlock joint allows for quick, tool-free assembly, shortening project timelines and reducing labor expenses.
- Long-Term Reliability: The robust metal skin and corrosion-resistant coatings ensure a service life of 20+ years under normal conditions, with minimal maintenance.
- Design Flexibility: Panels can be cut to size on-site, and the camlock system accommodates slight dimensional variations, making them ideal for retrofits and new builds alike.
- Global Compliance: Our panels are manufactured to meet international standards, including ISO9001, and can be tailored to local building codes upon request.
Our panels have been successfully deployed in numerous cold storage projects worldwide, from large distribution centers in North America to cold chain facilities in the Middle East. The combination of high-density PU foam and precision-engineered camlock joints ensures an airtight seal, preventing moisture ingress and maintaining consistent temperatures even in extreme climates.
Why Choose Hemaokang Steel?
Since our establishment in 2025, Hemaokang Steel (Shandong) Co., Ltd. has rapidly grown to become a trusted supplier in the global cold storage panel market. With an annual export value of US$50 million – US$100 million and a dedicated team of 51–100 employees, we are committed to delivering excellence. Our factory is ISO9001 certified, ensuring consistent quality control from raw material procurement to final packaging. We serve clients in over 20 countries and regions, including North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our location in Liaocheng, Shandong, China, provides convenient access to raw materials and shipping ports, enabling competitive pricing and timely delivery.
We understand that every cold storage project has unique requirements. That’s why we offer customizable solutions – from panel dimensions and color to special fire ratings and surface finishes. Our technical team is available to provide guidance on installation, joint sealing, and structural design. With a strong focus on after-sales support, we ensure your satisfaction throughout the project lifecycle.
Ready to optimize your cold storage facility? Contact us today for a quote or technical consultation. Let our 100mm PU sandwich panels with camlock joints be the foundation of your energy-efficient, durable cold storage exterior walls.
Frequently Asked Questions (FAQ)
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Q: What is the typical installation method for these panels?
A: Our panels feature a camlock joint system that allows for quick connection without specialized tools. Simply align the panels and engage the camlock mechanism. We recommend using a guide rail system for vertical installation. Detailed installation instructions are provided with each shipment. -
Q: Can these panels be used for interior walls or ceilings?
A: Yes, while designed primarily for exterior walls, the same panels can be used for interior partitions and ceilings in cold storage environments. However, for ceiling applications, additional support structure may be required depending on the span. -
Q: What is the maximum temperature range for the panels?
A: The PU core can withstand continuous operating temperatures from -50°C to +90°C. For higher temperature applications, please consult our technical team for alternative insulation options. -
Q: Are the panels resistant to moisture and humidity?
A: Absolutely. The metal facings and sealed joints prevent moisture ingress. The closed-cell PU foam core has low water absorption (≤2% by volume), ensuring long-term insulation performance even in high-humidity environments. -
Q: Do you offer custom colors or finishes?
A: Yes, we offer a variety of standard colors (e.g., white, gray, blue) and surface finishes (smooth, embossed, or stucco-embossed). Custom colors can be matched based on RAL codes. Minimum order quantities may apply. -
Q: What is the lead time for a typical order?
A: For standard sizes and quantities, lead time is approximately 15–20 working days. Custom orders may require 25–30 working days. We can expedite urgent orders upon request. -
Q: How do you ensure quality control?
A: Our factory is ISO9001 certified. Every batch of panels undergoes rigorous testing for density, thermal conductivity, compressive strength, and joint integrity. We also provide a 1-year warranty against manufacturing defects. -
Q: Can I get a sample before placing a bulk order?
A: Certainly. We can provide small samples (e.g., 300mm x 300mm) for evaluation. Shipping costs are borne by the buyer, but we can arrange for sample delivery via express courier.
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