PIRTECH Cold Storage – wall sandwich panels for cold storage – polyurethane foam – exposed fasteners
Refrigeration panels are most commonly used in the agri-food industry, primarily for the construction of facilities and rooms where it is necessary to maintain low positive temperatures (such as cold storage rooms and storage facilities) and negative temperatures (such as freezers). Cold storage panels with polyurethane foam insulation perform exceptionally well in this role, meeting the highest standards for thermal insulation.
Cold storage panels belong to the family of sandwich panels with the highest performance coefficients that help maintain a properly programmed low interior temperature. They are distinguished primarily by their significantly greater panel thickness, ranging from 120 mm to 220 mm, and a significantly lower heat transfer coefficient (Uc) (W/m²K), ranging from 0.18 to 0.10, which ensures high thermal insulation for walls and roofs.
Modern polyisocyanurate (PIR) core insulation panels are among the products that meet the highest standards in this area and are an excellent replacement for mineral wool panels. They feature a surface made of sheet metal protected by a layer of zinc, additionally coated with either an organic or an aluminum-zinc coating, which provides greater corrosion resistance and allows for an aesthetically pleasing interior finish.
Cold storage panels are primarily used in the food industry as exterior partitions, ceiling panels ( with a drop ceiling), and interior walls in facilities such as:
Their purpose is to store food (including perishable vegetables, fruits, dairy products, meat, and fish) at low temperatures, thereby extending their shelf life. Since these types of facilities and rooms have heightened sanitary and hygiene requirements, technical details play a key role in the production of the panels, ensuring precise assembly and durability, corrosion resistance, and perfect airtightness (preventing the entry of water and air to avoid mold growth that could affect the shelf life of food products). These criteria are best met by polyurethane-core cold storage panels, such as the PIRTECHCHŁODNICZA manufactured by the Pruszyński Company.
The cold storage panels offered by the Pruszyński Company, available under the name PIRTECH Cold Storage sandwich panel, are known for their excellent thermal insulation performance. This directly translates into lower costs for the construction of specialized rooms or buildings and for the operation of the investor’s refrigeration facilities, and the wide range of models available makes them a product suited to various needs and industries.
The core of PIRTECH sandwich panels consists of rigid PIR polyurethane foam with a volumetric density of 40.0 kg/m³ ± 3 kg/m³, and the claddings consist of steel sheets protected by a layer of zinc and one of the following organic coatings (glossy polyester, coarse-grained matte polyester, PURMAT or PURLAK polyurethane, PURMAX hybrid coating, HPS, PVDF) or an aluminum-zinc coating. In addition, cladding made of stainless steel sheet is available.
The Pruszyński Company offers the following cold storage panels:
The panels have an excellent thermal transmittance coefficient, ranging from 0.18 ( for a thickness of 120 mm) to 0.10 (for a thickness of 220 mm), which allows them to be used depending on the intended purpose of the room. The standard thickness of the exterior and interior cladding is 0.50 mm; however, for special applications, sheet metal thicknesses ranging from 0.40 mm to 0.70 mm are also available. The Pruszyński Company’s refrigeration panels also offer a choice of exterior sheet metal profiles —including trapezoidal, micro, cassette, and corrugated—as well as various colors of protective coatings, enabling more creative solutions where aesthetics and design are important. The properties of the PIR core and its combination with the cladding give the panels excellent mechanical properties. The production process is carried out continuously on a fully automated line supplied by Hennecke (GERMANY), one of the industry leaders.
Above all, the thickness and technical specifications of cold storage panels should be tailored to the intended use of the room or facility. Therefore, it is worth analyzing properties such as, among others:
Air tightness—which is critical for the building’s function (e.g., in cold storage facilities)—is greatly influenced by the joints (seams) between individual components, which ensure minimal airflow and, consequently, minimal loss of heat or cooled air.
The panel should be easy to keep clean, meaning it should allow for thorough cleaning and disinfection. Additionally, it must not absorb odors or allow water vapor to pass through. It is very important for the designer to follow the manufacturer’s recommendations regarding panel selection in the context of thermal loads, which are described in detail on our website.
The Blachy Pruszyński Company’s product line for institutional investors includes a full range of lightweight sheet metal structures designed for commercial use. It includes drainage systems, load-bearing components, and both exterior and roofing cladding.
We encourage you to explore our range of PIRTECHCHŁODNICZA products, which are highly regarded by contractors and investors for their excellent performance, durability, and long-term reliability. Our experts are here to help you choose the best products—please feel free to use contact form!
We offer a wide selection of PIRTECH sandwich panels, available in various versions tailored to different applications. Our product lineup includes panels designed for wall cladding, including those with a Hidden joint.
