Insulated Panel System
PIR Panel
PIR panel solution for cold rooms and refrigerated warehouses where the customer needs stronger fire performance, stable insulation, and factory-controlled panel production for export projects.
PIR Panel Engineering Overview
PIR panel is selected when cold room insulation needs better fire behavior while keeping strong thermal performance. It is widely used for freezer rooms, warehouses, food processing rooms, and projects with higher building safety requirements.
The engineering value of a PIR panel is not only the core material. Steel thickness, bonding quality, joint design, panel length, surface material, and installation details determine whether the cold room envelope remains stable during long-term operation.
JiangNan can supply PIR panels with cold room doors, air coolers, condensing units, and accessories. For export orders, the team checks packing and loading so panels arrive with clear labels and reduced handling damage.
Insulation Performance
PIR core provides low thermal conductivity and better fire performance than standard PU in many specifications. It is suitable when customers need a balance of insulation and building safety.
Joint and Sealing
Joint design must control air leakage and thermal bridging. Cam lock systems are convenient for modular rooms, while long warehouse walls may require project-specific sealing details.
Surface Selection
Color steel is economical, stainless steel improves hygiene and corrosion resistance, and embossed surfaces can improve durability in specific areas.
Export Handling
Panel length, stack height, protective film, forklift access, and container loading should be checked before production. This avoids damage during long-distance shipment.
Technical Specifications
| Panel Thickness | 50 mm, 75 mm, 100 mm, 120 mm, 150 mm, 200 mm |
|---|---|
| Steel Thickness | 0.4 to 0.8 mm color steel or stainless steel |
| PU Density | PIR or PU core normally 40 to 45 kg/m3, confirmed by order |
| Thermal Conductivity | about 0.022 W/m.K depending on core formulation |
| Fire Rating | PIR core offers improved fire performance compared with standard PU, final rating by test report and order specification |
| Joint Type | cam lock, tongue-and-groove, or project-specific edge profile |
| Available Width | 960 mm or 1000 mm effective width typical |
| Maximum Length | customized, subject to transport and handling |
| Surface Materials | color steel, stainless steel, embossed aluminum, or optional coated steel |
| Operating Temperature | -35C to +10C depending on thickness and project design |
| Main Use | freezer rooms, cold storage warehouses, food processing rooms, and projects requiring improved fire behavior |
| Export Packing | protective film, stacked packing, accessory labels, and container loading plan |
Panel Thickness Selection Guide
The thickness guide below is a practical starting point for cold room quotation. Final selection should consider room size, ambient temperature, door opening frequency, stored goods, product entering temperature, equipment load, and local energy cost.
| Panel Thickness | Recommended Temperature Range |
|---|---|
| 50 mm | +10C to +15C service rooms, processing rooms, or areas with low temperature difference |
| 75 mm | 0C to +10C chilled rooms, fruit rooms, dairy rooms, and beverage rooms |
| 100 mm | -18C to 0C medium-temperature storage or energy-saving chilled rooms |
| 150 mm | -35C to -18C freezer rooms, seafood storage, meat storage, and high ambient sites |
| 200 mm | below -35C or special low-temperature projects after engineering confirmation |
For projects where fire performance is a key requirement, PIR should be discussed at the specification stage instead of changed after room layout is finished.
Applications
Seafood Cold Storage
Requires low-temperature insulation, corrosion-aware surfaces, and careful panel sealing around doors and floor joints.
Meat Processing
Needs hygienic surfaces, impact protection, reliable corner connection, and thickness selected for chilled or frozen operation.
Dairy Storage
Usually uses chilled temperature, easy-clean surface, stable panel joints, and good door sealing for frequent access.
Vegetable Storage
Requires correct temperature range, airflow planning, and surface material that can handle humidity and cleaning.
Pharmaceutical Cold Room
Requires stable insulation, controlled access, clean inner surface, and reliable room envelope performance.
Logistics Warehouse
Needs stronger surface options, long panels where suitable, and careful coordination with sliding doors and dock areas.
Manufacturing, Packaging, and Loading Details
JiangNan checks panel production, surface material, joint forming, core bonding, trimming, labeling, packing, and container loading as one workflow. For export customers, this is important because damaged panels, missing accessories, or unclear labels can delay site installation.
Production Control
Panel production should control core foaming, bonding, thickness tolerance, surface flatness, edge shape, and lock position. PIR formulation and curing control are important for stable performance.
Packaging Control
Panels should be stacked by type and length, protected from surface scratches, and loaded according to container balance. Doors, accessories, corner parts, sealant, and small hardware should be packed separately with labels for site checking.
How to Choose the Right PIR Panel
1. Start with temperature and goods type
Confirm whether the room is chilled, frozen, pharmaceutical, food processing, or warehouse storage. The target temperature and building fire requirement decide whether PIR is more suitable than standard PU.
2. Confirm surface material and steel thickness
Choose surface material according to cleaning, humidity, salt, chemical exposure, and traffic. A warehouse wall may use color steel, while seafood or meat processing may justify stainless steel.
3. Check joint type, panel width, and maximum length
Longer panels reduce horizontal joints but affect container loading and site handling. Confirm whether the site has forklift access and enough installation space.
4. Match panels with doors and refrigeration layout
Door frame depth, cam lock position, and refrigeration penetrations should match the panel thickness. These details should be known before production.
5. Review packing and installation before production
Review packing lists, panel numbers, corner parts, accessories, and unloading method before shipment. PIR panels need surface protection just like PU panels.
Related PIR Panel Projects
Czech Republic Frozen Storage
Temperature: -18C
Room size: 6 x 8 x 2.8 m
Panel thickness: 150 mm
Frozen storage using thicker insulation, freezer door sealing, and low-temperature refrigeration equipment.
Argentina Seafood Cold Room
Temperature: -25C
Room size: 8 x 10 x 3 m
Panel thickness: 150 mm
Seafood storage project focused on corrosion-resistant surfaces, stable pull-down, and careful packing for export.
Supermarket Cold Room
Temperature: 0C to 5C
Room size: 4 x 6 x 2.6 m
Panel thickness: 100 mm
Back-of-store chilled room for dairy, beverage, produce, and daily replenishment operation.
Pharmaceutical Cold Storage
Temperature: 2C to 8C
Room size: custom
Panel thickness: 100 mm
Temperature-stable room layout with controlled access, reliable sealing, and clear maintenance space.
Walk-in Freezer Project
Temperature: -18C
Room size: custom
Panel thickness: 120 to 150 mm
Small and medium freezer room reference for restaurants, distributors, and frozen food storage.
Why JiangNan
Established in 1997
JiangNan has long-term manufacturing experience in insulated panels, cold room doors, refrigeration components, and complete cold room projects. This helps the quotation team check panel thickness, door type, refrigeration capacity, packing volume, and installation details together instead of treating each item separately.
20,000 m2 Manufacturing Facility
The factory supports panel production, door assembly, hardware preparation, trial fitting, packing, and container loading. For export orders, drawings, material lists, and packing plans are checked before shipment to reduce missing parts and installation delay at site.
150+ Employees
Production, technical, sales, and after-sales teams work together on room layout, panel cutting, door opening, refrigeration matching, and accessories. Practical factory communication is important when the customer only has room size, product type, target temperature, and destination country at quotation stage.
OEM, ODM, and Export Support
OEM and ODM cooperation is available for distributors and contractors. JiangNan can provide complete cold room solutions, including panels, doors, air coolers, condensing units, accessories, packing lists, and installation guidance for overseas projects.
Download Technical Documents
Technical files can be prepared according to the final project configuration. The buttons below are placeholders until the matching PDF files are uploaded, so they do not point to incorrect documents.
Related Products and Articles
Cold Room Panel
PU or PIR insulated panels with cam lock joint for chiller, freezer, and warehouse construction.
Cold Room Sliding Door
Manual sliding door selection for low-temperature and high-traffic cold rooms.
Electric Sliding Door
Motorized sliding door for frequent forklift traffic and logistics warehouses.
Ceiling Type Air Cooler
Air cooler selection for compact cold rooms and standard storage areas.
Cold Storage Warehouse Guide
Warehouse layout, insulation, door, dock, refrigeration, and energy design guidance.
Cold Room Temperature Guide
Temperature ranges for food, seafood, meat, vegetables, dairy, and pharmaceutical storage.
FAQ
What information is needed to quote PIR Panel?
Please send the country, required temperature, room size or panel quantity, panel thickness, steel thickness, surface material, joint type, maximum panel length, and whether accessories or doors are needed. These details allow JiangNan to check production feasibility, packing volume, and container loading.
How should the panel thickness be selected?
100 mm to 150 mm is common for medium and low-temperature rooms, while 200 mm may be used for special low-temperature projects. Thickness should also consider ambient temperature, door opening frequency, installation location, and long-term energy cost.
What steel thickness is available?
Common steel thickness is 0.4 mm to 0.8 mm, with thicker steel available for stronger impact resistance. Stainless steel, color steel, embossed aluminum, or other surfaces can be selected according to cleaning, corrosion, and traffic conditions.
What is the normal PU or insulation density?
PIR panel core density is normally controlled around 40 to 45 kg/m3 depending on formulation and specification. Density and core quality should be confirmed with the final quotation because insulation performance and panel strength both affect cold room operation.
Can panel length be customized?
Yes. Panel length can be customized according to room height, ceiling span, container loading, and site handling ability. Very long panels reduce joints but are harder to unload and install, so shipping and installation should be checked together.
What joint type is recommended?
Cam lock joint is practical for modular cold rooms, while tongue-and-groove or special edge profiles can be selected for large warehouse projects. The joint must provide tight connection, easy installation, and reliable sealing after the room is in operation.
Can JiangNan provide panel layout drawings?
Yes. For cold room projects, JiangNan can prepare layout suggestions showing wall panels, ceiling panels, corners, door openings, and accessories. This helps the customer count materials and guide installers at site.
How are panels protected for export?
Panels are protected with film, stacked according to thickness and length, and packed for container loading. Small accessories, locks, sealant, hardware, and installation materials should be packed with clear labels and checked before shipment.
Which surface material is best for food cold storage?
Food storage often uses color steel or stainless steel; corrosive or wet areas should use better surface protection. The choice depends on stored goods, cleaning method, humidity, salt, chemical exposure, and impact risk.
Does this product work with JiangNan cold room doors?
Yes. The panel thickness and joint design can be matched with hinged doors, sliding doors, electric sliding doors, and special door frames. Door opening dimensions should be confirmed before panel production.
Request a PIR Panel Quotation
Send your room size, target temperature, stored product, daily loading, voltage, and destination country. JiangNan will provide a practical configuration suggestion and quotation within 24 hours.