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Knauf  |  SKU: 316650-40

Knauf Dritherm 37 Mineral Wool Cavity Wall Insulation - 50mm - 40 Packs (262m²) (12 Slabs/Pack)


£917.18 Ex VAT £1,000.00
£1,100.62 Inc VAT
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Shop our bulk packs of Knauf Dritherm 37 for large projects. This 50mm cavity slab insulation is made from glass mineral wool and is designed for insulating masonry cavity walls - particularly in older properties where cavities may be smaller than modern structures, or to be combined with other insulation methods to achieve a regulations-compliant u-value. 

50mm Knauf Dritherm 37 measures 50mm thick - designed to “friction-fit” within the entire width of the wall cavity, and is cut to fit between typical wall-tie spacings. 

  • 50mm thickness
  • Suitable for use in external cavity walls
  • Full fill cavity insulation slabs
  • Ideal for new builds and extensions
  • Euroclass A1 resistance to fire
  • Bundle of 40 x Packs (12 slabs per pack)
  • BBA Certified
  • Complies to BS EN 13162
  • EUCEB Certified
  • Manufactured in accordance with ISO 50001 Energy Management Systems, ISO 14001 Environmental Management Systems, ISO 45001 Occupational Health and Safety Management Systems and ISO 9001 Quality Management Systems.

Knauf Dritherm Cavity Slab Insulation Data Sheet

Knauf Dritherm Cavity Slab Insulation Installation Guide

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  • Size
    1200mm x 455mm
  • Quantity Per Pack
    12 Slabs
  • Coverage (m²)
    262
  • Thickness
    50mm
  • Length
    1200mm
  • Width
    455mm
  • Material
    Glass Mineral Wool
  • Estimated Lifespan
    Equivalent to lifetime of wall structure
  • Thermal Resistance
    1.35 m² K/W
  • Thermal Conductivity
    0.037 W/mK
  • Reaction to Fire
    Euroclass A1

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