Warehouse wall panels are insulated sandwich panels that form the vertical envelope of industrial, logistics, and commercial buildings. Each panel bonds a foam core between two pre-painted steel faces, combining the structural skin, insulation, and interior liner in a single element that erects far faster than masonry or built-up cladding while delivering a clean, finished appearance on both sides.
A polyurethane (PU) or polyisocyanurate (PIR) foam core provides the thermal insulation, with a high closed-cell content that keeps water absorption low so the panel retains its declared insulation value throughout service. The two faces are pre-painted galvanized (PPGI) or galvalume (PPGL) steel, available across a wide RAL color range to match corporate or architectural palettes.
Panels join through tongue-and-groove or hidden-screw joints that maintain continuous insulation across the wall and can be installed vertically or horizontally to suit the building geometry. Standard thicknesses run from 50mm to 200mm, with custom lengths up to 11,800mm to suit container shipping. Typical applications include steel-structure warehouses, distribution centers, factory offices, agricultural buildings, and the walls of temperature-controlled storage.
Your Trusted Manufacturer for Warehouse Wall Panel
RaxPanel manufactures warehouse wall sandwich panels in Hebei, China. Wall panels are run on a continuous foaming line where the PU or PIR core is metered between the two pre-painted coils and cured under controlled pressure, producing a flat, uniform face with consistent bond strength across the full panel width. Flatness matters more on a wall than on a roof, because low sun angles reveal any ripple in long vertical elevations.
That foaming line has run continuously for since 2002 as part of a facility producing 1,700 m² per day, with finished panels exported to more than 30 countries. Color consistency is checked against the project RAL reference and joint geometry on the tongue-and-groove edges is verified before packing. Each order is cut to the wall schedule and bundled in erection sequence to reduce on-site sorting. Contact us with your elevation drawings and required U-value, and we will recommend panel thickness, joint type, and coating for the building.
- 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; thermal conductivity PU 0.022-0.024, PIR 0.020-0.023 W/(m·K).
- Standard thicknesses of 50mm, 75mm, 100mm, 150mm, and 200mm with 950-1,120mm width.
- Tongue-and-groove, hidden-screw, or camlock joints; vertical or horizontal installation.
| Parameter | Value |
|---|---|
| Skin Material | PPGI / PPGL / Aluminum / Stainless Steel |
| Skin Thickness | 0,4–0,7 мм |
| 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 EN 13501-1 / EN 13501-1 |
| Surface Texture | Flat / embossed / micro ripple |
| Coating | PE / SMP / HDP / PVDF |
| Water Absorption | ≤ 1% |
Warehouse Wall Panel Selection Guide
A warehouse wall carries the building’s thermal envelope, sets the erection speed for the whole project, and presents the visible facade. This guide addresses the joint, orientation, and core decisions that most affect installed performance.
Pro Tip: Verify Closed-Cell Content Before Ordering
Ask for the foam core’s closed-cell percentage and water absorption test data (EN 1609). Cores below 90% closed-cell absorb moisture through cut edges and joints, losing up to 40% of declared R-value within five years in humid climates.
Ask for the foam core’s closed-cell percentage and water absorption test data (EN 1609). Cores below 90% closed-cell absorb moisture through cut edges and joints, losing up to 40% of declared R-value within five years in humid climates.
1. Joint systems and airtightness
The tongue-and-groove edge forces the joint to follow an offset path rather than a straight line through the wall, interrupting airflow and reducing thermal bridging at the seam. When cut accurately and drawn tight during installation, the offset acts as a labyrinth seal. For cold-storage applications, cam-lock joints add a mechanical draw that compresses a continuous gasket, achieving lower air permeability than standard T&G.
2. Selecting panel thickness against U-value targets
3. Vertical versus horizontal installation
Horizontal installation suits long, low elevations: panels stack from a base rail with shorter crane lifts and read as a clean banded facade. Vertical installation suits taller walls and emphasises building height, with each panel hanging from the top rail. Both orientations weathertight equally well when joints are sealed; the choice is driven by wall height, crane access, and the architectural look the owner wants.
4. External wall versus cold-storage wall panels
An external warehouse wall panel typically runs 50-100 mm thick and controls weather while meeting a moderate energy code. A cold-storage wall panel is thicker, commonly 150-200 mm, and uses a tighter joint such as cam-lock or offset T&G to hold a large temperature differential and minimise vapour drive into the core. The same production line makes both; the difference is core thickness, joint detail, and vapour-control strategy.
Frequently Asked Questions
Какова максимальная длина панели для складских стен?
Panels can be produced up to 16.5 m, subject to transport limitations. For most warehouse projects, 12-14 m panels fit standard trailers and can be crane-lifted without intermediate support during erection.
Как обрабатываются оконные и дверные проёмы?
Openings are factory-cut with CNC precision, and the exposed core edges are sealed with aluminium trim and PU sealant. Pre-fitted sub-frames for doors and windows can be bonded into the panel during production to speed site installation.
What coating suits coastal or industrial atmospheres?
PVDF (fluorocarbon) coatings resist salt spray and chemical fallout for 25+ years. For less aggressive environments, polyester or PVC-laminated finishes provide 15-20 year performance at lower cost.
Can panels be installed in winter conditions?
Yes. Sandwich panels install in any season because no wet trades are involved. Below -10°C, use cold-weather PU sealant and allow adhesive cure times to extend per the manufacturer’s temperature chart.
Sandwich Panel Manufacturer
Индивидуальный сердечник и оболочка • Персонализированные размеры