Our Products
Insulated sandwich panel solutions with published R-value, thermal and load data for industrial, commercial and clean room projects.
Sandwich Panel Manufacturer
Shanghai ZhuAi Building Material Co., Ltd. manufactures and supplies insulated sandwich panels for a wide range of building applications. Our sandwich panel range includes PU, rock wool and EPS core panels — covering insulation panel performance for thermal control as well as acoustic panel options for sound absorption — with different balances of fire resistance, energy efficiency and cost.
We support industrial buildings, warehouses, workshops, clean rooms and commercial construction projects with practical building material solutions and professional service.
Request a QuoteSandwich Panel Types
Choose the panel type according to your insulation, fire protection, acoustic and project requirements.
PU/PIR sandwich panels provide the highest thermal insulation in the range (R-value up to 51 at 100 mm) and are suitable for cold rooms, warehouses, industrial buildings and clean room projects.
Rock wool sandwich panels combine thermal insulation with Grade A fire resistance and 35–40 dB sound absorption — an acoustic sandwich panel choice for demanding industrial and commercial buildings.
EPS sandwich panels are a lightweight, cost-effective insulation panel for warehouses, workshops and general industrial envelopes, with good thermal performance at a competitive price.
Technical Data
Detailed thermal and structural data for ZhuAi insulated sandwich panels — including R-value by core type and thickness, thermal conductivity, surface options and allowable span for wall panels. Use these figures for energy calculations and early-stage design.
| Insulation Core | K-Value (W/m·K) | K-Value (BTU·in/h·ft²·°F) | R-Value @ 50 mm | R-Value @ 75 mm | R-Value @ 100 mm |
|---|---|---|---|---|---|
| PU / PIR (Polyurethane) | 0.021 | 0.00640 | 26 | 38 | 51 |
| EPS (Expanded Polystyrene) | 0.030 | 0.00915 | 18 | 27 | 36 |
| Glasswool | 0.034 | 0.01037 | 16 | 24 | 32 |
| Rockwool | 0.038 | 0.01159 | 14 | 21 | 28 |
R-value increases with panel thickness. For cold rooms, cold storage and climate-controlled buildings, PU/PIR cores deliver the highest R-value per inch among common sandwich panel insulation materials.
| Thickness S (mm) | U-Value W/m²·K | Weight G (kg/m²) | Span L (m) @ 0.60 kN/m² | @ 0.80 kN/m² | @ 1.00 kN/m² | @ 1.20 kN/m² | @ 1.50 kN/m² |
|---|---|---|---|---|---|---|---|
| 50 | 0.31 | 10.06 | 3.52 | 3.04 | 2.69 | 2.42 | 2.11 |
| 75 | 0.21 | 11.06 | 4.71 | 4.09 | 3.64 | 3.29 | 2.89 |
| 100 | 0.19 | 12.05 | 5.76 | 5.02 | 4.47 | 4.05 | 3.56 |
| 150 | 0.11 | 14.04 | 7.56 | 6.58 | 5.87 | 5.32 | 4.68 |
Allowable deflection f ≤ L/200. Based on 0.5 mm outer steel sheet and 0.4 mm inner steel sheet. Values are for vertical load on polyurethane sandwich wall panels; final design should confirm with project structural requirements.
| Panel Thickness | 50 / 75 / 100 / 150 / 200 mm (custom thickness available) |
|---|---|
| Effective Width | Wall: 950 / 1000 / 1150 mm · Roof: 950 / 1000 mm (EPS roof also 980 mm) |
| Length | Made to order; max 11.8 m for container shipment |
| Face & Back Sheets | PPGI steel sheet 0.3–0.8 mm, with selected insulation core in between |
| Surface Color | Standard off-white (RAL 9002) or sky blue (RAL 5015); other colors for orders above 500 m² |
| Service Life | ≥ 15 years under normal use |
| Main Applications | Industrial wall and roofing: warehouses, workshops, offices, poultry houses, planting rooms, clean rooms and similar projects |
Thickness, length, sheet gauge and color can be customized for project requirements.
| Item | Rockwool | PU / PIR | EPS | Glasswool |
|---|---|---|---|---|
| Core Density | 80–150 kg/m³ | 40 kg/m³ | 4–20 kg/m³ | On request |
| Thermal Conductivity | 0.044 W/m·K | ≤ 0.025 W/m·K | 0.035–0.05 W/m·K | 0.034 W/m·K |
| R-Value @ 100 mm | 28 | 51 | 36 | 32 |
| Fire Rating | Grade A (non-combustible) | Grade B1 | Standard foam grade | On request |
| Sound Absorption | 35–40 dB | Good (airborne) | Basic | Strong acoustic option |
| Compressive Strength | Standard | ≥ 200 kPa | Standard | On request |
| Weight | Heavier | Lightweight | Lightest | Light |
| Best For | Fire-rated walls, acoustic rooms | Cold rooms, cold storage, best R-value | Cost-effective warehouses & workshops | Acoustic sandwich panel projects |
| Typical Applications | Offices, workshops, clean rooms, shelters | Planting rooms, cold storage, labs, breeding farms | Warehouses, general industrial buildings | Projects needing extra sound control |
Glasswool sandwich panels are available on request. Full R-value by thickness is listed in the table above.
R-value measures thermal resistance — the higher the R-value, the better the insulation. A 100 mm PU sandwich panel reaches about R-51, while 100 mm rock wool is about R-28. For US and Australian projects that specify minimum wall R-values, PU/PIR panels allow thinner walls for the same thermal target.
PU/PIR for maximum energy efficiency and cold storage. Rockwool when fire rating (Grade A) and acoustic absorption are required. EPS for cost-sensitive warehouses and general industrial buildings. Glasswool is available on request for acoustic sandwich panel projects.
Panel thickness, length, steel sheet gauge and color can be customized. Send your drawings or thermal target and we will recommend a sandwich panel specification for your project.
Get Spec AdviceProduct Advantages
Insulation panel cores improve thermal performance of walls and roofs, supporting energy-efficient building envelopes.
Rock wool options provide enhanced fire resistance for projects with higher fire-safety requirements.
Acoustic panel configurations help reduce noise transfer and improve indoor sound comfort in workshops and plant rooms.
Prefabricated panels can simplify building envelope installation and shorten construction time.
Applications
Our sandwich panels can be used for a variety of industrial and commercial building applications, depending on the panel core, thickness, surface material and project requirements.
Need a Sandwich Panel Solution?
Contact Shanghai ZhuAi for product information, specifications, pricing and professional support.
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