• Roof PU Foaming

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  • What is Roof PU Foaming?

    Roof PU foaming refers to polyurethane (PU) foam insulation applied to roofing systems. It is widely used in prefab construction to improve thermal efficiency, waterproofing, and overall comfort. The PU foam layer acts as both insulation and a protective barrier, ensuring energy savings and long-lasting roof durability.

  • Properties of Roof PU Foaming

    Excellent Thermal Insulation

    Reduces heat transfer, keeping interiors cooler in summer and warmer in winter.

    Lightweight

    Adds minimal weight to the roofing structure.

    Waterproof & Moisture Resistant

    Provides a seamless protective layer.

    Strong Adhesion

    Bonds well with metal, concrete, and other roofing substrates.

    Durable & Long-Lasting

    Resistant to weathering, UV rays, and environmental stress.

    Energy Efficient

    Helps reduce air-conditioning and heating costs.

  • Common Specifications

    Roof PU Foaming are often customized to meet specific needs, but some common specifications include:

    Density

    35–45 kg/m³

    Thermal Conductivity

    0.018–0.022 W/m·K

    Foam Thickness

    25–100mm (customizable depending on insulation needs)

    Compressive Strength

    ≥ 150 kPa

    Fire Rating

    B1/B2 (fire-retardant grade available)

    Application Method

    Spray foaming, panel foaming, or sandwich roofing systems

  • Applications

    • Prefab Houses – Provides insulation for metal and sandwich panel roofs
    • Industrial Warehouses – Reduces heat buildup in large roof areas
    • Commercial Buildings – Improves energy efficiency and comfort
    • Cold Storage & Logistics – Essential for temperature-controlled facilities
    • Residential Homes – Energy-saving insulation for rooftops

  • Conclusion

    Roof PU foaming is a versatile, high-performance insulation solution for prefab roofing systems. With its superior thermal resistance, waterproofing ability, and durability, it ensures long-term energy efficiency and protection for residential, commercial, and industrial projects.

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