PIR Pre-Insulated Duct

• PIR rigid foam core for superior thermal efficiency
• Thermal conductivity: λ = 0.023 W/(m·K)
• Double aluminium foil facing (inner + outer)
• Operating pressure: up to 2000 Pa (Class B)
• Air velocity: max 25 m/s
• Thickness options: 20mm, 25mm, 30mm, 40mm
• Operating temperature: -40°C to +100°C
• UL 181 listed — UL class 1 flexible air duct connector
• Factory-cut panels for fast on-site assembly