Pre-insulated roofing with polyurethane (PU) is a modern roofing solution that combines structural strength with excellent thermal insulation. It consists of a sandwich panel with a polyurethane foam core and metal, aluminum, or composite sheet facings. These panels are commonly used in industrial, commercial, and residential buildings due to their durability and energy efficiency.
Key Features of PU-Insulated Roofing Panels:
1. High Thermal Insulation: Polyurethane has a low thermal conductivity (~0.022 W/m·K), reducing heat transfer and improving energy efficiency.
2. Lightweight and Strong: PU panels are lightweight yet structurally rigid.
3. Weather and Moisture Resistance: The closed-cell structure of PU foam prevents water absorption, preventing.
4. Sound Insulation: Offers decent acoustic insulation, reducing external noise.