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Floor Insulation from Builder Depot. Thermal floor insulation is not only beneficial in preventing heat loss in floors, it's also widely used on suspended ceilings and sub-floors. We offer a versatile range of thermal floor insulation in forms of rolls, boards and slabs with various size options available.

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  • Rockwool Sound Slab100mm X 400mm X 1200mm Pk 6

    Rockwool Sound Slab100mm X 400mm X 1200mm Pk 6

    Inc VAT: £18.11
  • Rockwool RWA45 100mm x 600mm x 1200mm Pk 4

    Rockwool RWA45 100mm x 600mm x 1200mm Pk 4

    Inc VAT: £16.74 As low as: £13.74
  • Rockwool Sound Slab 100mm X 600mm X 1200mm Pk 6

    Rockwool Sound Slab 100mm X 600mm X 1200mm Pk 6

    Inc VAT: £31.14 As low as: £24.94
  • Kingspan Insulation Thermapitch TP10 2400mm x 1200mm x 20mm

    Kingspan Insulation Thermapitch TP10 2400mm x 1200mm x 20mm

    Inc VAT: £14.99
  • Ecotherm Insulation 100mm x 1200mm x 2400mm Eco-Versal

    Ecotherm Insulation 100mm x 1200mm x 2400mm Eco-Versal

    Inc VAT: £37.19
  • Ecotherm Insulation 50mm x 1200mm x 2400mm Eco-Versal

    Ecotherm Insulation 50mm x 1200mm x 2400mm Eco-Versal

    Inc VAT: £22.74
  • Rockwool Flexi Insulation 100mm x 400mm x 1200mm Pk 6

    Rockwool Flexi Insulation 100mm x 400mm x 1200mm Pk 6

    Inc VAT: £26.99
  • Hydro Insulated Tilebacker Board 6mm x 600mm x 1200mm

    Hydro Insulated Tilebacker Board 6mm x 600mm x 1200mm

    Inc VAT: £10.19 As low as: £7.50
  • Rockwool Flexi Insulation 140mm x 400mm x 1200mm Pk 4

    Rockwool Flexi Insulation 140mm x 400mm x 1200mm Pk 4

    Inc VAT: £25.50
  • Rockwool Flexi Insulation 50mm x 400mm x 1200mm Pk 12

    Rockwool Flexi Insulation 50mm x 400mm x 1200mm Pk 12

    Inc VAT: £27.18
  • Jablite 2400mm x 1200mm x 25mm Jabfloor 70 Polystyrene

    Jablite 2400mm x 1200mm x 25mm Jabfloor 70 Polystyrene

    Inc VAT: £6.54 As low as: £6.23
  • Jablite 2400mm x 1200mm x 100mm Jabfloor 70 Polystyrene

    Jablite 2400mm x 1200mm x 100mm Jabfloor 70 Polystyrene

    Inc VAT: £20.27 As low as: £19.14
  • Hydro Insulated Tilebacker Board 10mm x 600mm x 2400mm

    Hydro Insulated Tilebacker Board 10mm x 600mm x 2400mm

    Inc VAT: £21.00 As low as: £16.19
  • Ecotherm Insulation 25mm x 1200mm x 2400mm Eco-Versal

    Ecotherm Insulation 25mm x 1200mm x 2400mm Eco-Versal

    Inc VAT: £16.19
  • Superfoil Underfloor Insulation SFUF 1.5m x 8m

    Superfoil Underfloor Insulation SFUF 1.5m x 8m

    Inc VAT: £82.50 As low as: £79.20
  • Ecotherm Insulation 75mm x 1200mm x 2400mm Eco-Versal

    Ecotherm Insulation 75mm x 1200mm x 2400mm Eco-Versal

    Inc VAT: £34.14
  • Jablite 2400mm x 1200mm x 50mm Jabfloor 70 Polystyrene

    Jablite 2400mm x 1200mm x 50mm Jabfloor 70 Polystyrene

    Inc VAT: £11.82 As low as: £11.22
  • Rockwool Flexi Insulation Insulation 50mm x 600mm x 1200mm Pk 12

    Rockwool Flexi Insulation Insulation 50mm x 600mm x 1200mm Pk 12

    Inc VAT: £42.71
  • Rockwool RWA45 30mm x 600mm x 1200mm Pk 12

    Rockwool RWA45 30mm x 600mm x 1200mm Pk 12

    Inc VAT: £23.39
  • Ecotherm Insulation 70mm x 1200mm x 2400mm Eco-Versal

    Ecotherm Insulation 70mm x 1200mm x 2400mm Eco-Versal

    Inc VAT: £32.34
  • Rockwool RWA45 40mm x 600mm x 1200mm Pk 12

    Rockwool RWA45 40mm x 600mm x 1200mm Pk 12

    Inc VAT: £28.79
  • Ecotherm Insulation 40mm x 1200mm x 2400mm Eco-Versal

    Ecotherm Insulation 40mm x 1200mm x 2400mm Eco-Versal

    Inc VAT: £20.34
  • Rockwool RWA45 50mm x 600mm x 1200mm Pk 9

    Rockwool RWA45 50mm x 600mm x 1200mm Pk 9

    Inc VAT: £28.19
  • Rockwool RWA45 75mm x 600mm x 1200mm Pk 6

    Rockwool RWA45 75mm x 600mm x 1200mm Pk 6

    Inc VAT: £29.48
  • Ecotherm Insulation 80mm x 1200mm x 2400mm Eco-Versal

    Ecotherm Insulation 80mm x 1200mm x 2400mm Eco-Versal

    Inc VAT: £35.39
  • Rockwool Flexi Insulation 90mm x 600mm x 1200mm Pk 6

    Rockwool Flexi Insulation 90mm x 600mm x 1200mm Pk 6

    Inc VAT: £35.94
  • Rockwool Flexi Insulation 70mm x 600mm x 1200mm Pk 8

    Rockwool Flexi Insulation 70mm x 600mm x 1200mm Pk 8

    Inc VAT: £44.03

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