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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')
    Special Price £35.15 Inc VAT Regular Price £37.38 Inc VAT
    £12.20 Per M²
  2. 50mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £24.91 Inc VAT
    £8.65 Per M²
  3. 100mm Rockwool Sound Insulation Slab 1200mm x 400mm (2.88m²)
    £39.83 Inc VAT
    £13.82 Per M²
  4. 100mm Rockwool RWA45 1200mm x 600mm (2.88m²)
    £30.12 Inc VAT
    £10.46 Per M²
  5. 120mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £55.70 Inc VAT
    £19.34 Per M²
    Out of stock
  6. Wraptite Tape 100mm x 50m
    £68.39 Inc VAT
  7. 25mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £17.63 Inc VAT
    £6.12 Per M²
  8. 70mm Rockwool Sound Insulation Slab 1200mm x 600mm (5.76m²)
    £62.15 Inc VAT
    £10.79 Per M²
  9. 1200mm x 10m SuperFoil SF19+ Multi Foil Insulation
    £99.95 Inc VAT
    £8.33 Per M²
  10. 75mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £38.58 Inc VAT
    £13.39 Per M²
  11. 100mm Rockwool Sound Insulation Slab 1200mm x 600mm (4.32m²)
    £62.15 Inc VAT
    £14.39 Per M²
  12. 100mm Rockwool Flexi 1200mm x 400mm (2.88m²)
    £44.88 Inc VAT
    £15.59 Per M²
  13. 50mm Rockwool RWA45 1200mm x 600mm (6.48m²)
    £44.63 Inc VAT
    £6.89 Per M²
  14. 90mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £47.78 Inc VAT
    £16.60 Per M²
  15. 50mm Rockwool Sound Insulation Slab 1200mm x 600mm (8.64m²)
    £62.15 Inc VAT
    £7.19 Per M²
  16. 30mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £20.30 Inc VAT
    £7.06 Per M²
  17. 75mm Rockwool RWA45 1200mm x 600mm (4.32m²)
    £46.52 Inc VAT
    £10.76 Per M²
  18. 40mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £22.99 Inc VAT
    £7.98 Per M²
  19. 100mm Rockwool RW3 1200mm x 600mm (2.88m²)
    £48.91 Inc VAT
    £16.98 Per M²
  20. 60mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £31.81 Inc VAT
    £11.04 Per M²
  21. 1500mm x 10m SuperFoil SF40 Multi Foil Insulation
    £215.39 Inc VAT
    £14.36 Per M²
  22. 70mm Ecotherm Eco-Versal Insulation 2400mm x 1200mm (8' x 4')
    £35.77 Inc VAT
    £12.42 Per M²
  23. 50mm Rockwool Flexi 1200mm x 400mm (5.76m²)
    £46.52 Inc VAT
    £8.08 Per M²