Sandwich panel thickness (mm)
40, 50, 60, 70, 80, 100, 120
Length of sandwich panel (mm)
2000 - 15000
Effective width of sandwich panel (mm)
1000
Thickness of metal sheet (mm)
0.30, 0.35, 0.40, 0.45, 0.50
Operating temperature range (°C)
(-40) - (+80)
Thermal conductivity (λ−W/mK)
0.022
Density (kg/m3)
40 (±2)
Bending strength (N/mm²)
0.24 - 0.30
Compressive strength – 10% expanded (N/mm²)
0.15 - 0.20
Water absorption (after 168 hours – %)
0.05 - 0.20
Fire resistance rating
B2 (DIN 4102) EI30
Closed Cell Composition (%)
91 - 95
Zinc coating layer (µ)
125 - 200
Paint layer (µ)
40 - 45
The panel structure consists of two galvanized steel sheets with a polymer coating (thickness: 0.3–0.5 mm; width: 1090 mm or 1130 mm), with a rigid polyurethane insulation layer between them. The polyurethane core provides good fire resistance and falls into the B2 fire classification.
3-rib PUR-insulated sandwich roof panels are an eco-friendly, durable, and modern solution that meets today’s construction standards. Whether used in industrial facilities or residential buildings, they offer both functional and aesthetic advantages, making them an excellent choice for a wide range of projects.