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Kingspan Kingspan GreenGuard XPS Insulation Board (0.75m²) 30mm

Kingspan GreenGuard XPS Insulation Board (0.75m²)

Brand: Kingspan
£11.99 Incl. VAT
£11.99 Incl. VAT (regular price)
Please note: This product has a slightly longer lead time. Our team wiil notify you with an estimated delivery date.

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    Kingspan GreenGuard XPS Insulation Board (0.75m²) is a high-performance, rigid extruded polystyrene (XPS) board designed for demanding insulation applications. With a thermal conductivity of 0.033 W/mK and excellent compressive strength, this board is ideal for use in inverted roofs, basements, car park decks, heavy-duty commercial and industrial flooring and cold stores. Engineered to withstand freeze/thaw cycles and ground moisture, it offers long-lasting performance even under challenging conditions. Its low water absorption makes it particularly suitable for green roof systems and other moisture-prone installations.

    Technical Data

    Product Code GreenGuard GG300
    Board Size 1250mm x 600mm (0.75m²)
    Material Extruded Polystyrene (XPS)
    Thermal Conductivity (λ) 0.033 W/m·K
    Compressive Strength ≥ 300 kPa at 10% deformation
    Reaction to Fire (Euroclass) Euroclass E (EN 13501-1)
    Water Absorption (long-term) < 0.7% by volume
    Water Vapour Resistance > 300 MN·s/g
    Density Approx. 35 kg/m³
    Thickness Range 30mm / 50mm / 60mm
    Edge Profile Rebated
    Service Temperature Limit -50°C to +75°C
    Freeze/Thaw Resistance Excellent
    Moisture Resistance High (resistant to ground moisture)
    Applications Inverted roofs, basements, car parks, heavy-duty flooring, green roofs

    Frequently asked questions

    Kingspan GreenGuard GG300 is ideal for specialist uses such as inverted roofs, basements, car park decks, heavy-duty flooring in commercial or industrial settings, and cold store floors. It’s also compatible with green roof systems.

    Yes, it has minimal water absorption and excellent resistance to ground moisture penetration, making it suitable for below-ground and damp environments.

    The thermal conductivity is 0.033 W/m·K, providing effective insulation performance for a range of applications.

    Yes, Kingspan GreenGuard GG300 is lightweight and easy to cut with a hand saw or hot wire cutter, making it simple to handle and install on site.

    Yes, Kingspan GreenGuard GG300 is lightweight and easy to cut with a hand saw or hot wire cutter, making it simple to handle and install on site.

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