Warehouse wall panels are insulated sandwich panel systems engineered for the vertical envelope of industrial, logistics, and commercial buildings where energy efficiency, speed of erection, and weathering performance matter. The outer and inner faces are pre-painted galvanized steel (PPGI) or pre-painted galvalume (PPGL) sheets at 0.4-0.7mm thickness, available in a wide RAL color range.
The polyurethane (PU) or polyisocyanurate (PIR) foam core delivers high thermal insulation with a density of 40-45 kg/m³ and thermal conductivity of 0.022-0.024 W/(m·K), with closed-cell content above 92% for low water absorption. PIR cores offer improved fire behavior reaching B1 classification per EN 13501-1, suitable for projects with stricter fire codes.
Standard panel thickness ranges from 50mm to 200mm, with 50mm, 75mm, 100mm, and 150mm as the most common configurations for warehouse walls. Panels come in effective widths of 950-1,120mm and custom lengths up to 11,800mm to suit container shipping. Tongue-and-groove or hidden-screw joint systems enable rapid vertical or horizontal installation with continuous insulation.
These insulated wall panels serve steel-structure warehouses, distribution centers, factory offices, agricultural buildings, and cold storage adjacency. They achieve B1 or B2 fire classification per GB 8624 and EN 13501-1 for PU cores, with rock wool core alternatives available rated A1 non-combustible where building codes require non-combustible façades.
Your Trusted Manufacturer for Warehouse Wall Panel
RaxPanel is a direct manufacturer of warehouse wall sandwich panels based in Hebei, China, with over 15 years of continuous production experience. Our in-house R&D, roll-forming, and continuous foaming lines deliver consistent flatness, bonding strength, and color uniformity for industrial building envelopes worldwide.
With a daily production capacity exceeding 1,700 m² and exports to more than 50 countries and regions, RaxPanel combines scale with strict quality control to meet GB 8624 and EN 13501-1 classifications. Every panel undergoes verified lamination and bonding to support reliable envelope performance over a long service life.
- PPGI/PPGL outer and inner skins at 0.4-0.7mm with full RAL color options.
- PU/PIR foam core at 40-45 kg/m³ with thermal conductivity of 0.022-0.024 W/(m·K).
- Standard thicknesses of 50mm, 75mm, 100mm, 150mm, and 200mm with 950-1,120mm width.
- B1/B2 fire rating per GB 8624 and EN 13501-1; A1 rock wool core available on request.
| Parameter | Value |
|---|---|
| Skin Material | PPGI / PPGL / Aluminum / Stainless Steel |
| Skin Thickness | 0.4-0.7 mm |
| Core Material | PU / PIR foam (rock wool optional) |
| Core Density | PU/PIR: 40-45 kg/m³; Rock wool: 110-150 kg/m³ |
| Thermal Conductivity | PU: 0.022-0.024 W/(m·K); PIR: 0.020-0.023 W/(m·K) |
| Thickness Range | 50-200 mm (standard: 50, 75, 100, 150, 200 mm) |
| Effective Width | 950-1,120 mm |
| Max Length | Up to 11,800 mm |
| Joint System | Tongue-and-groove / hidden screw / camlock |
| Installation | Vertical or horizontal with optional decorative seam |
| Fire Resistance | B1/B2 (PU); A1 (rock wool) per GB 8624 / EN 13501-1 |
| Surface Texture | Flat / embossed / micro ripple |
| Coating | PE / SMP / HDP / PVDF |
| Water Absorption | ≤ 1% |
Warehouse Wall Panel Buying Guide & FAQ
Selecting the right warehouse wall panel requires understanding core material, fire compliance, joint system, and installation orientation. This guide answers the most common questions from contractors, developers, and industrial building owners evaluating insulated sandwich panels for warehouse and factory envelope applications.
1. Should warehouse wall panels be installed vertically or horizontally?
Vertical installation suits taller walls and sheds water downward along joints, reducing the risk of water retention at side laps. Horizontal installation is preferred for long, low walls and faster erection, with hidden screws and sealed overlaps maintaining weathertightness. The choice depends on wall geometry, span, and architectural preference.
2. When should I choose rock wool over PU warehouse wall panels?
PU cores deliver superior thermal insulation at lower thickness and weight, making them ideal for energy-efficient buildings. Rock wool cores rated A1 non-combustible are specified when local fire codes, insurers, or hazardous contents mandate non-combustible construction, trading some insulation value and added weight for maximum fire safety.
3. What thickness should I choose for a warehouse wall?
For standard ambient warehouses, 50mm or 75mm panels balance cost and insulation. For temperature-controlled storage, cold rooms, or energy-efficient buildings, 100mm, 120mm, or 150mm panels reduce heat transfer and operating costs. The optimal thickness follows local energy codes, interior temperature targets, and climate conditions.
4. What is the difference between hidden-screw and overlap joint systems?
Hidden-screw joints conceal fasteners behind a profiled edge, delivering a clean architectural face and reduced thermal bridging. Overlap joints expose fasteners on the surface but install faster and are commonly used for utility-grade warehouses. Both systems use EPDM washers and sealants to maintain weathertightness at every fastener point.
5. Which coating should I specify for warehouse wall panels?
PE coating suits general industrial environments economically. SMP and HDP coatings offer better color stability and gloss retention for moderate outdoor exposure. PVDF coating delivers superior UV resistance and chalk resistance, specified for premium facades, coastal areas, or buildings requiring long-term color performance over 20+ years.