// SPEC · Foam Insulation
Extra-Heavy XPS Board B1 45 kg/m³ Inverted Roof Grade
Extra-Heavy XPS Board B1 45 kg/m³ with 500 kPa compressive strength and ≤1.0% water absorption for inverted roof assemblies, heavy-load industrial floors, and below-grade podium deck insulation.
// Key Features
- 500 kPa compressive strength rated for vehicle traffic and heavy mechanical equipment loading
- B1 flame-retardant certification meets fire code for large-span commercial and industrial roofs
- ≤1.0% water absorption ensures long-term thermal performance in inverted roof saturation conditions
- High-density 45 kg/m³ structure provides superior board rigidity and impact resistance
// Technical Specifications
| Fire Class | B1 |
| Water Absorption (%) | ≤1.0 |
| Bulk Density (kg/m³) | 45 |
| Compressive Strength (kPa) | ≥500 |
| Thermal Conductivity (W/m·K) | 0.033 |
// Applications
Inverted roof assembly insulation beneath ballast gravel or paving slabHeavy-load industrial floor insulation beneath forklift and pallet truck traffic areasBelow-grade podium deck insulation under vehicle access ramp and drivewayPlaza deck waterproofing protection board over underground parking structureFreezer floor thermal barrier in large-scale cold storage and logistics centre
// Quick Specs
Max Temperature75°C
Thermal Conductivity0.033 W/(m·K) at 25°C
Density45 kg/m³
StandardGB/T 10801.2
// Get Pricing
WhatsApp Us