Available Profiles & Connection Systems: Cap Type vs. Lap Type
Cap Type:
| Parameter | Technical Details |
|---|---|
| Thickness | 50-150mm |
| Width | 950mm |
| Wave Pitch | 240mm |
| Wave Height | 35mm |
| Core Material | ROCK / XPS / GLASS |
| Surface | Steel Plate G250-350 Outer: 0.5-0.6mm Inner: 0.4-0.6mm |
| Material Width | Outer: +250mm Inner: +50mm |
| Parameter | Technical Details |
|---|---|
| Thickness | 40/50/55/60/75/80/100/120/150mm |
| Width | 1000mm |
| Wave Pitch | 500mm |
| Wave Height | 39mm |
| Core material | PU PU+GLASS PU+ROCK |
| Surface | Steel Plate G250-350 Outer: 0.5–0.8mm Inner: 0.4–0.6mm |
| Material Width | Outer: +200mm Inner: +70mm |
Lap Type:
| Parameter | Technical Details |
|---|---|
| Thickness | 30/40/50/60/75/80/100/120mm |
| Width | 1000mm |
| Wave Pitch | 333.32mm |
| Wave Height | 36mm |
| Core material | PU PU+GLASS PU+ROCK |
| Surface | Steel Plate G250-350 Outer: 0.5–0.8mm Inner: 0.4–0.6mm |
| Material Width | Outer: +200mm Inner: +70mm |
| Parameter | Technical Details |
|---|---|
| Thickness | 45mm |
| Width | 950mm |
| Wave Pitch | 317–316–317mm |
| Wave Height | 40mm |
| Core material | PU PU+GLASS PU+ROCK |
| Surface | Steel Plate G250-350 Outer: 0.5–0.8mm Inner: 0.4–0.6mm |
| Material Width | Outer: +200mm Inner: +50mm |
| Parameter | Technical Details |
|---|---|
| Thickness | 10/20/40/50/60/75/100mm |
| Width | 1000mm |
| Wave Pitch | 333.32mm |
| Wave Height | 36mm |
| Core material | COULD |
| Surface | Steel Plate G250-350 + Aluminum Foil Outer: Steel Plate 0.5–0.8mm Inner: Aluminum Foil |
| Material Width | Outer: +200mm Inner: +30mm |
| Parameter | Technical Details |
|---|---|
| Thickness | 30/50/80mm |
| Width | 950mm |
| Wave Pitch | 118.75mm |
| Wave Height | 15mm |
| Core material | COULD |
| Surface | Aluminium Plate Outer: 0.3–1.0mm Inner: 0.3–1.0mm |
| Material Width | Outer: +250mm Inner: +50mm |
| Parameter | Technical Details |
|---|---|
| Thickness | 50-150mm |
| Width | 950mm |
| Wave Pitch | 237.5mm |
| Wave Height | 35mm |
| Core Material | XPS / EPS |
| Surface | Steel Plate G250-350 Outer: 0.5-0.6mm Inner: 0.4-0.6mm |
| Material Width | Outer: +250mm Inner: +50mm |
| Parameter | Technical Details |
|---|---|
| Thickness | 50-150mm |
| Width | 950mm |
| Wave Pitch | 315mm |
| Wave Height | 35mm |
| Core Material | ROCK / XPS / GLASS |
| Surface | Steel Plate G250-350 Outer: 0.5-0.6mm Inner: 0.4-0.6mm |
| Material Width | Outer: +250mm Inner: +50mm |
Key Features of Sandwich Roof Panels
1. Thermal Insulation & Energy Efficiency
High-performance insulation cores (Rock Wool / PIR / Glass Wool) ensure low thermal conductivity, reducing energy consumption and maintaining stable indoor temperatures.
2. Fast & Easy Installation
Prefabricated sandwich panel system with interlocking joints significantly reduces installation time, labor cost, and construction complexity.
3. Strong Structural Performance
Engineered metal facings and reinforced profiles provide high strength, long-span capability, and excellent load-bearing performance.
4. Weather & Corrosion Resistance
Multiple protective coatings (PE / SMP / PVDF / HDP) ensure long-term durability under rain, UV exposure, wind, and corrosive environments.
5. Fire Safety Performance
Rock wool and PIR core options provide excellent fire resistance, meeting different building safety standards.
6. Aesthetic Flexibility
Available in multiple colors and surface finishes, suitable for modern architectural design requirements.
Core Material Selection- Thermal Parameters
| Types | Diagram | Density (kg/m³) | Nominal Thermal Conductivity [W/(m·K)] | Thickness (mm) | Thermal Resistance [m²·K/W] | Thermal Conductivity [W/(m²·K)] |
|---|---|---|---|---|---|---|
| Rock Wool Roof Panel |  |
120K | 0.041 | 50 | 1.20 | 0.84 |
| 75 | 1.71 | 0.58 | ||||
| 100 | 2.24 | 0.45 | ||||
| 150 | 3.27 | 0.31 | ||||
| 200 | 4.32 | 0.23 | ||||
| PIR Roof Panel |  |
38–43K | 0.024 | 50 | 2.23 | 0.45 |
| 75 | 3.28 | 0.31 | ||||
| 100 | 4.32 | 0.23 | ||||
| 150 | 6.40 | 0.16 | ||||
| 200 | 8.48 | 0.12 | ||||
| Glass Wool Roof Panel |  |
≥ 64K | 0.035 | 50 | 1.34 | 0.75 |
| 75 | 1.94 | 0.52 | ||||
| 100 | 2.53 | 0.40 | ||||
| 150 | 3.72 | 0.27 | ||||
| 200 | 4.92 | 0.21 | ||||
| Note: The heat transfer coefficient has been updated for most projects, excluding areas with hot summers and cold winters. | ||||||
Mechanical Parameters & Load-bearing Capacities
| Thickness (THK./mm) |
Weight (kg/m²) |
Moment of Inertia (cm⁴) |
Modulus of Rigidity (MPa) |
Supporting Condition (Span condition) |
Thermal Conductivity W/(m²·K) |
Load (kN/m²) / Purlin Spacing Allowed (mm) | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1.0 | 1.5 | 2.0 | 2.5 | 3.0 | ||||||
| 50 | 15.52 | 103.46 | 2.04 | Double+ | 0.839 | 3200 | 2600 | 2250 | 2050 | 1850 |
| 75 | 18.32 | 211.74 | 2.04 | Double+ | 0.584 | 4000 | 3250 | 2800 | 2450 | 2200 |
| 100 | 21.12 | 358.39 | 2.04 | Double+ | 0.448 | 4850 | 3900 | 3300 | 2900 | 2600 |
| 150 | 26.72 | 766.78 | 2.04 | Double+ | 0.305 | 6500 | 5250 | 4450 | 3850 | 3450 |
| Calculated based on 1000 modulus & 0.6mm(outside)+0.6mm(inside) steel coil. Rockwool density is 120 kg/m³. Reference to GB/T23932-2009 and JGJ/T453-2019. Deflection limit = L/200. |
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Project Cases: Our Prefabricated Sandwich Roof Panels in Action
Our factory-prefabricated roof panels combine aesthetic modern design with premium fire-rated insulation, exceptional leak-proof durability, and heavy-rain drainage performance. They are the ideal roofing solution tailored for industrial, commercial, and prefabricated building projects.
