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Sound Insulation 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 Rockwool Sound Insulation Slab 1200mm x 400mm (2.88m²)
    £39.83 Inc VAT
    £13.82 Per M²
  2. 100mm Rockwool RWA45 1200mm x 600mm (2.88m²)
    £30.12 Inc VAT
    £10.46 Per M²
  3. 100mm Rockwool Sound Insulation Slab 1200mm x 600mm (4.32m²)
    £62.15 Inc VAT
    £14.39 Per M²
  4. 70mm Rockwool Sound Insulation Slab 1200mm x 600mm (5.76m²)
    £62.15 Inc VAT
    £10.79 Per M²
  5. 50mm Rockwool Sound Insulation Slab 1200mm x 600mm (8.64m²)
    £62.15 Inc VAT
    £7.19 Per M²
  6. 100mm Rockwool RW3 1200mm x 600mm (2.88m²)
    £48.91 Inc VAT
    £16.98 Per M²
  7. 75mm Rockwool RWA45 1200mm x 600mm (4.32m²)
    £46.52 Inc VAT
    £10.76 Per M²
  8. 50mm Rockwool RWA45 1200mm x 600mm (6.48m²)
    £44.63 Inc VAT
    £6.89 Per M²
  9. 50mm Rockwool RW3 1200mm x 600mm (5.76m²)
    £49.67 Inc VAT
    £8.63 Per M²
  10. 50mm Rockwool Flexi 1200mm x 400mm (5.76m²)
    £46.52 Inc VAT
    £8.08 Per M²
  11. 75mm Rockwool RW3 1200mm x 600mm (4.32m²)
    £55.27 Inc VAT
    £12.79 Per M²
  12. 100mm Rockwool Flexi 1200mm x 400mm (2.88m²)
    £44.88 Inc VAT
    £15.59 Per M²
  13. 90mm Rockwool Flexi 1200mm x 600mm (4.32m²)
    £59.59 Inc VAT
    £13.80 Per M²
  14. 140mm Rockwool Flexi 1200mm x 600mm (2.88m²)
    £62.74 Inc VAT
    £21.78 Per M²
  15. 140mm Rockwool Flexi 1200mm x 400mm (1.92m²)
    £43.13 Inc VAT
    £22.46 Per M²
  16. 70mm Rockwool Flexi 1200mm x 600mm (5.76m²)
    £69.02 Inc VAT
    £11.99 Per M²
  17. 40mm Rockwool RWA45 1200mm x 600mm (8.64m²)
    £51.67 Inc VAT
    £5.98 Per M²
  18. 30mm Rockwool RWA45 1200mm x 600mm (8.64m²)
    £39.60 Inc VAT
    £4.58 Per M²
  19. 50mm Rockwool Flexi 1200mm x 600mm (8.64m²)
    £68.28 Inc VAT
    £7.91 Per M²
  20. 40mm Rockwool RW3 1200mm x 600mm (7.2m²)
    £56.95 Inc VAT
    £7.91 Per M²
  21. 100mm Rockwool Flexi 1200mm x 600mm (4.32m²)
    £67.27 Inc VAT
    £15.58 Per M²
  22. 50mm Knauf OmniFit Slab 35 400mm x 1200mm (5.76m²)
    £37.07 Inc VAT
    £6.43 Per M²
    Out of stock
  23. 50mm Rockwool RWA45 1200mm x 600mm Pallet of 16 (103.68m²) Bulk Buy Saving
    £646.14 Inc VAT
    £6.23 Per M²
    Temporarily Unavailable
  24. 75mm Rockwool RWA45 1200mm x 600mm Pallet of 20 (86.4m²) Bulk Buy Saving
    £804.10 Inc VAT
    £9.31 Per M²
    Temporarily Unavailable

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