75mm Knauf RS100 Mineral Wool Earthwool Building Slab (pack-4)

75mm Knauf RS100 Mineral Wool Earthwool Building Slab (pack-4)

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    Additional Info

    Product Code:
    • Application:
      Designed for use in multiple applications
    • Type:
      Rock Mineral Wool Slabs
    • Product Size:
      1200mm x 600mm
    • Thickness:
    • Pack Coverage:
    • Estimated Delivery:
      2-3 Working Days
    • Speak to an insulation expert:
      Get in touch with us over our LIVE CHAT or 02038839057

    Product Description

    75mm Knauf RS100 Mineral Wool Earthwool Building Slab (pack-4)

    75mm Knauf RS100 Mineral Wool Earthwool Building Slab (pack-4)

    Earthwool Building Slabs are non-combustible Rock Mineral Wool slabs, manufactured using our revolutionary ECOSE® Technology in a range of densities, and are designed for use in multiple applications.

    Earthwool Building Slab RS100 is manufactured with a density of 100kg/m3, designed for use in a variety of applications including internal partitions, timber and metal studs, and in between timber rafters and floor joists.



    -Ground floors

    -Internal floors

    -Separating floors


    -Pitched roofs at rafter level

    -Internal walls - partitions

    -Light steel frame walls

    -Timber frame walls

    Key Facts

    Thickness: 25, 30, 50, 75, 100mm

    Width: 600mm

    Length: 1200mm

    Pack Coverage: 2.88m2

    Slabs per pack: 4

    Density: 100kg/m3

    Thermal Conductivity: 0.034W/mK

    Thermal Resistance: 2.20m2K/W

    Surface Spread of Flame: Class 1

    Fire Rating: A1

    MATERIAL: Rock Mineral Wool


    -Excellent thermal performance .

    -Non-combustible A1 Euroclass Reaction to Fire classification

    -Excellent sound absorption characteristics provide high levels of sound reduction

    -Multi-purpose product range which can be used to insulate a wide range of applications on site.

    -Available in a wide range of densities to suit a variety of uses, applications and performance requirements.

    -Easy to cut with a large bladed knife or saw.


    Thermal: The thermal conductivity of Earthwool Building Slab RS100 is 0.034 W/mK

    Fire: Earthwool Building Slab RS100 is classified as Euroclass A1 (non-combustible) to BS EN 13501-1

    Durability: Earthwool Building Slab RS100 is odourless, rot proof, non-hygroscopic, do not sustain vermin and will not encourage the growth of fungi, mould or bacteria.

    Moisture resistance: Earthwool Building Slab RS100 is non-wicking when tested to BS 2972:1989: Section 12. When exposed to 90% relative humidity at 20°C, Earthwool Building Slabs absorb less than 0.004% of moisture. 

    Vapour resistivity: Earthwool Building Slab RS100 offers negligible resistance to the passage of water vapour and have a water vapour resistivity of 5.00MNs/g.m.

    About Knauf Insulation

    Knauf Insulation mineral wool products made with ECOSE® Technology benefit from a no added formaldehyde binder, which is up to 70% less energy intensive than traditional binders and is mainly derived from rapidly renewable materials instead of petroleum-based chemicals.

    The technology has been developed for Knauf Insulation’s glass and rock mineral wool products, enhancing their environmental credentials without affecting the thermal, acoustic or fire performance. Insulation products made with ECOSE Technology contain no dye or artificial colours.

    If you have questions about 75mm Knauf RS100 Mineral Wool Earthwool Building Slab (pack-4) please call us on 02038839057! You can also text us back in our live chat.

    Please find all datasheets in PDF & BROCHURES section.

    Bee with us!! 


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    75mm Knauf RS100 Mineral Wool Earthwool Building Slab (pack-4)

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