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Insulation Board Wall Insulation

We offer a high-quality collection of wall insulation for cavity walls, stud walls, and external walls, all from leading brands like Kingspan and Rockwool. Wall insulation is highly economical and excellent in retaining heat, controlling sound transfer, and even achieving protection against fire. Choose from various forms of wall insulation, including rolls, slabs, and cavity closers across our range at Builder Depot. For quick-dry lining applications, try our Ecotherm and Kingspan plasterboard wall insulation today!

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  1. 100mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    100mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £35.10 Inc VAT
    £12.19 Per M²
  2. 50mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    50mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £23.39 Inc VAT
    £8.12 Per M²
  3. 25mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    25mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £17.81 Inc VAT
    £6.18 Per M²
  4. 150mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    150mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £62.69 Inc VAT
  5. 120mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    120mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £54.77 Inc VAT
    £19.02 Per M²
  6. 70mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    70mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £36.29 Inc VAT
    £12.60 Per M²
  7. 40mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    40mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £23.09 Inc VAT
    £8.02 Per M²
  8. 75mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    75mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £38.93 Inc VAT
    £13.51 Per M²
  9. 90mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    90mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £48.17 Inc VAT
    £16.73 Per M²
  10. 60mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    60mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £35.63 Inc VAT
    £12.37 Per M²
  11. 30mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    30mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £21.06 Inc VAT
    £7.31 Per M²
  12. 62.5mm Kingspan Kooltherm K118 Insulated Plasterboard 2400mm x 1200mm (8' x 4') Quantity Discount
    62.5mm Kingspan Kooltherm K118 Insulated Plasterboard 2400mm x 1200mm (8' x 4')
    £92.75 Inc VAT As low as £92.20 Inc VAT
    £32.21 Per M²
  13. 90mm Kingspan Kooltherm K106 Cavity Board 1200mm x 450mm (4' x 1.5') Pack of 4 (2.16m²)
    90mm Kingspan Kooltherm K106 Cavity Board 1200mm x 450mm (4' x 1.5') Pack of 4 (2.16m²)
    £94.44 Inc VAT
  14. 50mm Jablite HP70 External Wall Insulation 1200mm x 600mm Pack of 12 Quantity Discount
    50mm Jablite HP70 External Wall Insulation 1200mm x 600mm Pack of 12
    £55.19 Inc VAT As low as £50.51 Inc VAT
  15. 37.5mm Kingspan Kooltherm K118 Insulated Plasterboard 2400mm x 1200mm (8' x 4') Quantity Discount
    37.5mm Kingspan Kooltherm K118 Insulated Plasterboard 2400mm x 1200mm (8' x 4')
    £75.54 Inc VAT As low as £74.47 Inc VAT
    £26.23 Per M²
  16. 20mm Jablite External Wall Insulation 1200mm x 600mm Pack of 30 Quantity Discount
    20mm Jablite External Wall Insulation 1200mm x 600mm Pack of 30
    £55.19 Inc VAT As low as £50.51 Inc VAT
  17. 62.5mm Ecotherm Eco Liner Insulated Plasterboard 2400mm x 1200mm (8' x 4')
    62.5mm Ecotherm Eco Liner Insulated Plasterboard 2400mm x 1200mm (8' x 4')
    £65.20 Inc VAT
  18. 90mm Jablite HP70E Premium External Insulation Graphite 1200mm x 600mm (4' x 2') Pack of 6 (4.32m²) Quantity Discount
    90mm Jablite HP70E Premium External Insulation Graphite 1200mm x 600mm (4' x 2') Pack of 6 (4.32m²)
    £53.15 Inc VAT As low as £48.95 Inc VAT
    £12.30 Per M²
  19. 57.5mm Kingspan Kooltherm K118 Insulated Plasterboard 2400mm x 1200mm (8' x 4') Quantity Discount
    57.5mm Kingspan Kooltherm K118 Insulated Plasterboard 2400mm x 1200mm (8' x 4')
    £91.14 Inc VAT As low as £89.39 Inc VAT
    £31.64 Per M²
  20. 52.5mm Kingspan Kooltherm K118 Insulated Plasterboard 2400mm x 1200mm (8' x 4') Quantity Discount
    52.5mm Kingspan Kooltherm K118 Insulated Plasterboard 2400mm x 1200mm (8' x 4')
    £81.95 Inc VAT As low as £81.71 Inc VAT
    £28.45 Per M²
  21. 37.5mm Ecotherm Eco Liner Insulated Plasterboard 2400mm x 1200mm (8' x 4')
    37.5mm Ecotherm Eco Liner Insulated Plasterboard 2400mm x 1200mm (8' x 4')
    £47.90 Inc VAT
  22. 42.5mm Kingspan Kooltherm K118 Insulated Plasterboard 2400mm x 1200mm (8' x 4') Quantity Discount
    42.5mm Kingspan Kooltherm K118 Insulated Plasterboard 2400mm x 1200mm (8' x 4')
    £80.34 Inc VAT As low as £76.96 Inc VAT
    £27.90 Per M²
  23. 80mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    80mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £45.53 Inc VAT
    £15.80 Per M²
  24. 75mm Kingspan Kooltherm K108 Cavity Board 1200mm x 450mm (4' x 1.5') Pack of 6 (3.24m²) Quantity Discount
    75mm Kingspan Kooltherm K108 Cavity Board 1200mm x 450mm (4' x 1.5') Pack of 6 (3.24m²)
    £111.54 Inc VAT As low as £110.34 Inc VAT
  25. 82.5mm Ecotherm Eco Liner Insulated Plasterboard 2400mm x 1200mm (8' x 4')
    82.5mm Ecotherm Eco Liner Insulated Plasterboard 2400mm x 1200mm (8' x 4')
    £82.75 Inc VAT
  26. 20mm Kingspan Thermapitch TP10 Insulation 2400mm x 1200mm (8' x 4') Quantity Discount
    20mm Kingspan Thermapitch TP10 Insulation 2400mm x 1200mm (8' x 4')
    £38.93 Inc VAT As low as £33.34 Inc VAT
    £13.51 Per M²
  27. 50mm Kingspan Kooltherm K108 Cavity Wall Board 1200mm x 450mm (4' x 1.5') Pack of 10 (5.4m²) Quantity Discount
    50mm Kingspan Kooltherm K108 Cavity Wall Board 1200mm x 450mm (4' x 1.5') Pack of 10 (5.4m²)
    £124.19 Inc VAT As low as £122.99 Inc VAT
  28. 100mm Kingspan Kooltherm K108 Cavity Board 1200mm x 450mm (4' x 1.5') Pack of 5 (2.7m²) Quantity Discount
    100mm Kingspan Kooltherm K108 Cavity Board 1200mm x 450mm (4' x 1.5') Pack of 5 (2.7m²)
    £124.19 Inc VAT As low as £122.99 Inc VAT
  29. 50mm Kingspan Kooltherm K5 External Wall Board 1200mm x 600mm (4' x 2') Pack of 10 (7.2m²)
    50mm Kingspan Kooltherm K5 External Wall Board 1200mm x 600mm (4' x 2') Pack of 10 (7.2m²)
    £159.06 Inc VAT
    £22.09 Per M²
  30. 52.5mm Ecotherm Eco Liner Insulated Plasterboard 2400mm x 1200mm (8' x 4')
    52.5mm Ecotherm Eco Liner Insulated Plasterboard 2400mm x 1200mm (8' x 4')
    £56.62 Inc VAT

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