Panel Type: PIR Sandwich Panel, Cold Storage Panel
Thickness: 100mm-200mm
Benefits: Superior thermal insulation, moisture resistant.
Problems Solved: Maintains temperature stability.
Value Delivered: Saves energy costs, ensures product quality.
Cold rooms play a vital role in warehouses storing perishable goods such as fresh produce, meat, beverages, and pharmaceuticals. These facilities are designed to maintain a consistent, optimal temperature to extend the shelf life of sensitive materials. Regardless of their size or specific use, all cold rooms incorporate some form of insulation to help preserve the internal temperature.
While the refrigeration system is responsible for reaching the desired temperature, it is the insulation that ensures thermal efficiency by minimizing heat transfer. Depending on the cold room’s configuration and the type of refrigeration system in place, insulation can be customized to maximize performance. Among the most widely used solutions are cold room panels, also known as insulation panels, which provide reliable and durable thermal protection.
Cold room panels are insulated building components composed of two main elements: a rigid core and two outer structural facings. The core, typically made of PIR (polyisocyanurate) or PU (polyurethane), provides excellent thermal insulation. The outer facings—usually made from pre-painted galvanized steel (PPGI) or stainless steel—encase the core and add durability and structural strength. These panels are essential in the construction of cold rooms, playing a key role in maintaining internal temperature stability.
Cold room panels can be installed on walls, floors, and ceilings, but they must be supported with additional structural materials to ensure long-term stability and performance. By minimizing thermal bridging and preventing cold air leakage, they help maintain consistent interior conditions. Owing to their effectiveness, these panels are not only used in cold storage but are also widely adopted in broader applications requiring reliable thermal insulation.
Cold room panels are typically manufactured in modular sections to facilitate easier transportation and on-site installation. Panel thickness generally ranges from 4 to 9 inches, depending on the specific insulation requirements and overall design of the cold room.
For best results, experts recommend integrating insulated panels during the initial construction phase. Doing so not only reduces labor and installation costs but also ensures a seamless fit that enhances structural integrity and thermal performance. Retrofitting panels after construction can compromise insulation efficiency, potentially leading to air leakage and reduced temperature control.
Cold room panels come in a variety of types, each designed to meet specific storage requirements and temperature ranges. The selection depends not only on the intended application but also on the cold room’s design, dimensions, and operating conditions. To ensure optimal performance, it’s essential to consult experienced professionals—typically mechanical engineers—who can recommend the most suitable panel type based on the desired temperature and insulation needs.
Below are some of the most commonly used types of cold room or insulated panels:
Expanded Polystyrene Insulated Panels are constructed using high-quality, lightweight foam made from closed-cell EPS technology. This rigid foam is available in varying strength grades to accommodate different load-bearing requirements and backfill pressures within the cold room structure. A key advantage of closed-cell EPS is its low water absorption rate, which helps create an effective vapor barrier and enhances long-term thermal performance.
Neopor Insulated Panels are made from advanced Graphite Polystyrene (GPS), a high-performance rigid foam enhanced with graphite particles. This innovative material offers up to 20% greater energy efficiency compared to traditional EPS insulation. Neopor panels are ideal for installation behind new siding or beneath freezer slabs and perform best when integrated during initial construction or major renovation projects, ensuring optimal insulation from the outset.
Polyurethane insulated panels are among the most widely used insulation options for cold rooms, chillers, and freezers. Known for their excellent thermal resistance, PU panels are ideal for projects requiring rapid installation without compromising on insulation quality. They are typically installed using a tongue-and-groove joint system, which ensures a tight, secure fit and minimizes thermal bridging.
For those seeking an eco-friendly alternative, compressed straw core panels offer a sustainable insulation solution. Manufactured from renewable agricultural straw, these panels are recyclable, cost-effective, and environmentally responsible. However, due to their greater thickness and heavier structure, they provide lower thermal efficiency compared to more conventional materials, making them better suited for projects prioritizing sustainability over performance.
Polyisocyanurate insulated panels are valued for their outstanding thermal performance, lightweight construction, and high strength-to-weight ratio. These characteristics make PIR panels a preferred choice for demanding insulation applications in modern construction. In addition to superior insulation, PIR panels also deliver exceptional fire resistance, meeting some of the strictest fire safety standards in the industry.
The installation process for cold room panels varies depending on the size and type of the cold room being constructed. For smaller-scale cold rooms, user-friendly installation kits with step-by-step instructions are often available, allowing for easier DIY assembly. However, industrial or large-scale cold rooms typically require a professional installation team to ensure proper fitting and performance. Regardless of scale, certain tools and materials are essential for installation, including:
· Pre-cut insulation panels
· Measuring tape
· Allen key
· Screwdrivers and compatible screws
Installing cold room panels offers numerous benefits, including improved thermal insulation, which helps lower energy consumption and extends the lifespan of refrigeration components. Additionally, these panels enhance the structural stability and overall integrity of the cold room, making them a valuable investment for both efficiency and durability.
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