• Roof Rock Wool

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  • What is Roof Rock Wool?

    Roof rock wool, also known as stone wool or mineral wool, is an insulation material made from natural volcanic rock (typically basalt) melted at high temperatures and spun into fibers. It is widely used in prefab roof systems for its superior fire resistance, durability, and thermal performance.

  • Properties of Roof Rock Wool

    Superior Fire Resistance

    Can withstand temperatures above 1000°C, making it ideal for fire safety.

    High Thermal Insulation

    Maintains indoor temperature stability and reduces energy consumption.

    Acoustic Performance

    Provides strong sound absorption and noise reduction.

    Moisture & Water Resistant

    Hydrophobic treatment prevents water absorption while allowing vapor diffusion.

    Durable & Long-Lasting

    Retains performance over decades without deterioration.

    Environmentally Friendly

    Made from abundant natural rock materials.

  • Common Specifications

    Roof Rock Wool are often customized to meet specific needs, but some common specifications include:

    Density

    40–200 kg/m³ (depending on application)

    Thermal Conductivity

    0.033–0.040 W/m·K

    Thickness

    25–150 mm

    Fire Rating

    A1 (non-combustible, top-level fire safety)

    Form

    Slabs, boards, or rolls with/without aluminum foil facing

    Sound Absorption Coefficient (NRC)

    0.9–1.0 (very high efficiency)

  • Applications

    • Prefab Roofing Systems – Provides excellent insulation and fire safety.
    • Industrial & Commercial Buildings – Used in warehouses, factories, power plants, and airports.
    • Residential Projects – Improves energy efficiency and indoor comfort.
    • Soundproof Structures – Auditoriums, music halls, and recording studios.
    • High-Risk Areas – Ideal for buildings requiring high fire protection standards.

  • Conclusion

    Roof rock wool is a premium insulation solution that offers unmatched fire resistance, thermal insulation, and acoustic control. Its durability and sustainability make it a preferred material in prefab roof construction for both safety and comfort.

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