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Insulation Slab

At Building Supplies Online we stock a range of slab insulation products including the Rockwool Insulation Slab, Knauf Insulation Slab and Isover Wall Slabs.

The Rockwool Slab Insulation wall slabs come in a multi-purpose pack or for more specific purposes Rockwool Insulation has an acoustic slab insulation product. The Knauf Slab insulation wall slabs are flexible Earthwool slab insulation for general thermal and acoustic insulation

Choosing your Insulation Slab

The Rockwool Slab insulation wall slabs range can be used for thermal, acoustic and fire insulation in general building applications and is certified to EN 13162. The Rockwool slab insulation wall slabs offer excellent thermal, acoustic & fire insulation, is water repellent, durable, cost-effective, easy to handle and install.

Knauf DriTherm Cavity Wall Slabs are semi-rigid or rigid slabs of non-combustible, glass mineral wool with a water-repellent additive. The Knauf Slab insulation wall slabs are 455mm wide to suit standard vertical wall tie spacings, ensuring a closed joint with adjacent slabs. The Knauf Slab insulation wall slabs have a special additive to make the product water repellent and are produced in three grades:

  • DriTherm Cavity Slab Insulation 37 Standard has a thermal conductivity ranging from 0.035 to 0.037 W/mK
  • DriTherm Cavity Slab Insulation 34 Super has a thermal conductivity of 0.034 W/mK
  • DriTherm Cavity Slab Insulation 32 Ultimate has a thermal conductivity of 0.032 W/mK

DriTherm Cavity Wall Slabs are for the thermal insulation of masonry cavity external walls, either partially filling or fully filling the cavity. The Knauf Insulation Slab is approved for use in buildings up to 12m high in any exposure zone and for use in multi-storey applications up to 25m in height. Knauf DriTherm Cavity wall Slabs are non-combustible inorganic glass wool, defined as mineral wool in BS 3533: 1981 and are manufactured in accordance with BSI Quality Assurance Standard BS EN ISO 9001: 2000.

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  1. Knauf Rocksilk Flexible Slab (60mm x 12 Packs) 1200mm x 600mm
    Knauf Rocksilk Flexible Slab (60mm x 12 Packs) 1200mm x 600mm
    £622.68
  2. Knauf OmniFit Slabs (All Sizes)
    Knauf OmniFit Slabs (All Sizes)
    £1,078.19
  3. Knauf Frametherm Slab - All Sizes
    Knauf Frametherm Slab - All Sizes

    This product is a call to enquire product. Please call us on 020 3936 2839 for more information.

    Call to Enquire
  4. Knauf Dritherm Cavity Slab 37 (150mm x 25 Pack) - 1200mm x 455mm
    Knauf Dritherm Cavity Slab 37 (150mm) - 1200mm x 455mm
    £1,120.86
  5. Knauf Dritherm Cavity Slab 37 (150mm x 25 Pack) - 1200mm x 455mm
    Knauf Dritherm Cavity Slab 37 (125mm x 25 Pack) - 1200mm x 455mm
    £1,295.40
  6. Knauf DriTherm Cavity Slab 34 -150mm
    Knauf DriTherm Cavity Slab 34 -150mm
    £1,463.29
  7. Knauf DriTherm Cavity Slab 34 - 125mm
    Knauf DriTherm Cavity Slab 34 - 125mm
    £1,457.86
  8. Knauf Dritherm Cavity Slab 32 (455mm x 1200mm) - 150mm
    Knauf Dritherm Cavity Slab 32 (455mm x 1200mm) - 150mm
    £1,382.51
  9. Knauf Dritherm Cavity Slab 32 (455mm x 1200mm) - 125mm
    Knauf Dritherm Cavity Slab 32 (455mm x 1200mm) - 125mm
    £1,569.13
  10. Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 5m x 1m
    Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 5m x 1m
    £231.48
  11. Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 4m x 1m
    Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 4m x 1m
    £185.16
  12. Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 3.5m x 1m
    Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 3.5m x 1m
    £162.00
  13. Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 3m x 1m
    Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 3m x 1m
    £138.84
  14. Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 2.5m x 1m
    Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - 2.5m x 1m
    £115.74
  15. Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - All Sizes
    Trisomet 333 Box Profile Composite Insulated Roof Panel - 1000/32 (Goosewing Grey) - All Sizes
    £115.74
  16. Warmline PIR Insulated Plasterboard 1.2m x 2.4m - All Sizes
    Warmline PIR Insulated Plasterboard 1.2m x 2.4m - All Sizes
    Special Price £38.70 Regular Price £39.00
  17. IKO Enertherm ALU 2.4m x 1.2m - All Sizes
    IKO Enertherm ALU 2.4m x 1.2m - All Sizes
    £14.10
  18. IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-150mm
    IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-150mm
    £53.76
  19. IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-140mm
    IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-140mm
    £53.82
  20. IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-120mm
    IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-120mm
    £45.42
  21. IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-110mm
    IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-110mm
    £45.41
  22. IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-100mm
    IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-100mm
    £34.20
  23. IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-90mm
    IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-90mm
    £35.58
  24. IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-80mm
    IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-80mm
    £33.30
  25. IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-75mm
    IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-75mm
    £29.46
  26. IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-70mm
    IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-70mm
    £29.94
  27. IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-60mm
    IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-60mm
    £26.94
  28. IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-50mm
    IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-50mm
    £20.76
  29. IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-40mm
    IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-40mm
    £20.22
  30. IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-30mm
    IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-30mm
    £16.56
  31. IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-25mm
    IKO Enertherm ALU 2.4m x 1.2m - All Thicknesses-25mm
    £14.10
  32. Unilin Thin-R PIR 40mm x 2.4m x 1.2m
    Unilin Thin-R PIR 40mm x 2.4m x 1.2m
    £20.40
  33. Unilin Thin-R PIR 60mm x 2.4m x 1.2m
    Unilin Thin-R PIR 60mm x 2.4m x 1.2m
    £27.48
  34. Unilin Thin-R PIR 70mm x 2.4m x 1.2m
    Unilin Thin-R PIR 70mm x 2.4m x 1.2m
    £30.60
  35. Unilin Thin-R PIR 75mm x 2.4m x 1.2m
    Unilin Thin-R PIR 75mm x 2.4m x 1.2m
    £29.88
  36. Unilin Thin-R PIR 80mm x 2.4m x 1.2m
    Unilin Thin-R PIR 80mm x 2.4m x 1.2m
    £33.47
  37. Unilin Thin-R PIR 90mm x 2.4m x 1.2m
    Unilin Thin-R PIR 90mm x 2.4m x 1.2m
    £35.99
  38. Unilin Thin-R PIR 100mm x 2.4m x 1.2m
    Unilin Thin-R PIR 100mm x 2.4m x 1.2m
    £34.20
  39. Unilin Thin-R PIR 120mm x 2.4m x 1.2m
    Unilin Thin-R PIR 120mm x 2.4m x 1.2m
    £45.60
  40. Unilin Thin-R PIR 130mm x 2.4m x 1.2m
    Unilin Thin-R PIR 130mm x 2.4m x 1.2m
    £53.64
  41. Unilin Thin-R PIR 140mm x 2.4m x 1.2m
    Unilin Thin-R PIR 140mm x 2.4m x 1.2m
    £53.94
  42. Unilin Thin-R PIR 150mm x 2.4m x 1.2m
    Unilin Thin-R PIR 150mm x 2.4m x 1.2m
    £53.94
  43. Unilin Thin-R PIR 25mm x 2.4m x 1.2m
    Unilin Thin-R PIR 25mm x 2.4m x 1.2m
    £14.28
  44. Unilin Thin-R PIR 30mm x 2.4m x 1.2m
    Unilin Thin-R PIR 30mm x 2.4m x 1.2m
    £16.80
  45. Unilin Thin-R PIR 125mm x 2.4m x 1.2m
    Unilin Thin-R PIR 125mm x 2.4m x 1.2m
    £52.76
  46. Danosa 75mm XPS Concrete Slab Grey - 500mm x 500mm
    Danosa 75mm XPS Concrete Slab Grey - 500mm x 500mm
    £12.67
  47. Kingspan K-Roc Rainscreen Slab (1.2m x 0.6m) - All Sizes
    Kingspan K-Roc Rainscreen Slab (1.2m x 0.6m) - All Sizes
    £73.27
  48. Rockwool RW3 Insulation Slab 30mm x 1200mm x 600mm (12 Packs per Pallet)
    Rockwool RW3 Insulation Slab 30mm x 1200mm x 600mm (12 Packs per Pallet)
    £601.32
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