Floor

Products for floor insulation projects

Our insulation is tailored to fit the diverse sizes and widths of floor joists found in British homes, ensuring every building's needs are met.

Designed for easy installation, our floor insulation fits seamlessly beneath flooring, providing exceptional thermal protection and sound-dampening properties.

Transform a home's comfort and energy efficiency with our range of floor insulation. 

Floor

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Insulating Ground Floors

To undertake a ground floor thermal insulation upgrade it is first important to establish if it is possible or not. In domestic buildings, broadly speaking, there are two styles of floor type - solid ground floor and suspended floor, each with its pros and cons.

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Showing 144 of 144 products
  • 50mm Thermafleece Supasoft Roll (3 x 390mm rolls) | Insulation Merchant
    SUPASOFT by Thermafleece

    50mm Thermafleece Supasoft Roll (3 x 390mm rolls)

    £65.41 per item
    £11.09 per m²
    inc. VAT
    £54.51 per item
    £9.24 per m²
    ex. VAT
    Save £-65.41
    £65.41 per item
    £11.09 per m²
    inc. VAT
    £0.00 Save £-54.51
    £54.51 per item
    £9.24 per m²
    ex. VAT
  • Rockwool RW5
    RW5 by ROCKWOOL®

    Rockwool RW5

    From £33.90 per item
    £5.89 per m²
    inc. VAT
    From £28.25 per item
    £4.90 per m²
    ex. VAT
    Save £-33.90
    From £33.90 per item
    £5.89 per m²
    inc. VAT
    £0.00 Save £-28.25
    From £28.25 per item
    £4.90 per m²
    ex. VAT
  • 150mm PIR Insulation Board | Insulation Merchant
    ULTIMATE by Insulation Merchant

    150mm PIR Insulation Board

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  • 150mm Knauf Loft Roll 44 (Combi-Cut) - PALLET OF 12 | Insulation Merchant
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    LOFT ROLL by Knauf Insulation

    150mm Knauf Loft Roll 44 (Combi-Cut) - PALLET OF 12

    £459.39 per item
    £50.04 per m²
    inc. VAT
    £382.83 per item
    £41.70 per m²
    ex. VAT
    Save £-459.39
    £459.39 per item
    £50.04 per m²
    inc. VAT
    £0.00 Save £-382.83
    £382.83 per item
    £41.70 per m²
    ex. VAT
  • Knauf Loft Roll 44 (Combi-Cut) | Insulation Merchant
    Top Deals
    Free Shipping
    LOFT ROLL by Knauf Insulation

    100mm Knauf Loft Roll 44 (Combi-Cut) - PALLET OF 12

    £470.42 per item
    £2.82 per m²
    inc. VAT
    £392.02 per item
    £2.35 per m²
    ex. VAT
    Save £-470.42
    £470.42 per item
    £2.82 per m²
    inc. VAT
    £0.00 Save £-392.02
    £392.02 per item
    £2.35 per m²
    ex. VAT
  • 100mm Thermafleece Supasoft Roll (3 x 390mm rolls) - 5.90m²| Insulation Merchant
    SUPASOFT by Thermafleece

    100mm Thermafleece Supasoft Roll (3 x 390mm rolls) - 5.90m²

    £65.41 per item
    £11.09 per m²
    inc. VAT
    £54.51 per item
    £9.24 per m²
    ex. VAT
    Save £-65.41
    £65.41 per item
    £11.09 per m²
    inc. VAT
    £0.00 Save £-54.51
    £54.51 per item
    £9.24 per m²
    ex. VAT
  • YBS SuperQuilt - 10m x 1.5m | Insulation Merchant
    SUPERQUILT by YBS Insulation

    YBS SuperQuilt - 10m x 1.5m

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  • 20mm Mannok Therm PIR Board - per board | Insulation Merchant

    5.0

    by Mannok

    20mm Mannok Therm PIR Board - per board

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  • 140mm Knauf Rocksilk Flexible Slab (1200mm x 600mm) | Insulation Merchant
    ROCKSILK by Knauf Insulation

    140mm Knauf Rocksilk Flexible Slab (1200mm x 600mm)

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  • 70mm PIR Insulation Board | Insulation Merchant
    ULTIMATE by Insulation Merchant

    70mm PIR Insulation Board

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  • SRS Impactafoam Tape - 15m x 50mm x 5mm - per roll | Insulation Merchant
    by Sound Reduction Systems

    SRS Impactafoam Tape - 15m x 50mm x 5mm - per roll

    £24.65 per item
    £1.64 per LM (linear metre)
    inc. VAT
    £20.54 per item
    £1.37 per LM (linear metre)
    ex. VAT
    Save £-24.65
    £24.65 per item
    £1.64 per LM (linear metre)
    inc. VAT
    £0.00 Save £-20.54
    £20.54 per item
    £1.37 per LM (linear metre)
    ex. VAT
  • 90mm Superglass Timber & Rafter Roll 40 | Insulation Merchant
    TIMBER & RAFTER ROLL by Superglass

    90mm Superglass Timber & Rafter Roll 40

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  • 80mm PIR Insulation Board | Insulation Merchant
    ULTIMATE by Insulation Merchant

    80mm PIR Insulation Board

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  • 120mm PIR Insulation Board | Insulation Merchant
    by Insulation Merchant

    120mm PIR Insulation Board

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  • 60mm PIR Insulation Board | Insulation Merchant
    by Insulation Merchant

    60mm PIR Insulation Board

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  • 140mm Knauf Omnifit Slab 35 (600mm wide) | Insulation Merchant
    OMNIFIT by Knauf Insulation

    140mm Knauf Omnifit Slab 35 (600mm wide)

    £65.05 per item
    £22.59 per m²
    inc. VAT
    £54.21 per item
    £18.82 per m²
    ex. VAT
    Save £-65.05
    £65.05 per item
    £22.59 per m²
    inc. VAT
    £0.00 Save £-54.21
    £54.21 per item
    £18.82 per m²
    ex. VAT
  • 25mm Unilin (Xtratherm) Thin-R PIR Board - per board | Insulation Merchant
    THIN-R PIR BOARD by Unilin

    30mm Unilin (Xtratherm) Thin-R PIR Board - per board

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  • 70mm Knauf Rocksilk Flexible Slab (1200mm x 600mm) | Insulation Merchant
    ROCKSILK by Knauf Insulation

    70mm Knauf Rocksilk Flexible Slab (1200mm x 600mm)

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    Add to a quote for our best rate.

  • Knauf Rocksilk Flexible Slab | Insulation Merchant
    ROCKSILK by Knauf Insulation

    100mm Knauf Rocksilk Flexible Slab (1200mm x 600mm)

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  • Breedon Quietex Crushed Limestone Chips - Pallet of 40 Bags | Insulation Merchant
    Sale 13%
    QUIETEX by Breedon

    Breedon Quietex Crushed Limestone Chips - Pallet of 40 Bags

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