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
  • 90mm Kingspan Kooltherm K103 - 2400mm x 1200mm - Pack of 3 | Insulation Merchant
    KOOLTHERM® K107 by Kingspan

    90mm Kingspan Kooltherm K103 - 2400mm x 1200mm - Pack of 3

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  • 150mm Kingspan Kooltherm K103 - 2400mm x 1200mm - Pack of 2 | Insulation Merchant
    KOOLTHERM® K103 by Kingspan

    150mm Kingspan Kooltherm K103 - 2400mm x 1200mm - Pack of 2

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  • 15mm Unilin (Xtratherm) Thin-R PIR Board (Pack of 20) | Insulation Merchant
    THIN-R PIR BOARD by Unilin

    15mm Unilin (Xtratherm) Thin-R PIR Board (Pack of 20)

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  • 70mm Superglass Timber & Rafter Batt 32 (pack of 6) | Insulation Merchant
    TIMBER & RAFTER BATT by Superglass

    70mm Superglass Timber & Rafter Batt 32 (pack of 6)

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  • 25mm Unilin (Xtratherm) Xtroliner Superior Performance PIR Board | Insulation Merchant
    XTROLINER by Unilin

    25mm Unilin (Xtratherm) Xtroliner Superior Performance PIR Board

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  • SRS Impactafoam Tape - 15m x 50mm x 5mm - Box of 6 | Insulation Merchant
    by Sound Reduction Systems

    SRS Impactafoam Tape - 15m x 50mm x 5mm - Box of 6

    £145.90 per item
    £1.62 per LM (linear metre)
    inc. VAT
    £121.58 per item
    £1.35 per LM (linear metre)
    ex. VAT
    Save £-145.90
    £145.90 per item
    £1.62 per LM (linear metre)
    inc. VAT
    £0.00 Save £-121.58
    £121.58 per item
    £1.35 per LM (linear metre)
    ex. VAT
  • Kingspan Kooltherm K103 | Insulation Merchant
    KOOLTHERM® K103 by Kingspan

    100mm Kingspan Kooltherm K103 - 2400mm x 1200mm - Pack of 3

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  • YBS SuperQuilt - 10m x 1.2m | Insulation Merchant
    SUPERQUILT by YBS Insulation

    YBS SuperQuilt - 10m x 1.2m

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  • 150mm Unilin (Xtratherm) Safe-R Phenolic Foam Board (Pack of 2) | Insulation Merchant
    SAFE-R PHENOLIC FOAM by Unilin

    150mm Unilin (Xtratherm) Safe-R Phenolic Foam Board (Pack of 2)

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  • 140mm Unilin (Xtratherm) Safe-R Phenolic Foam Board (Pack of 2) | Insulation Merchant
    SAFE-R PHENOLIC FOAM by Unilin

    140mm Unilin (Xtratherm) Safe-R Phenolic Foam Board (Pack of 2)

    £324.90 per item
    £56.41 per m²
    inc. VAT
    £270.75 per item
    £47.01 per m²
    ex. VAT
    Save £-324.90
    £324.90 per item
    £56.41 per m²
    inc. VAT
    £0.00 Save £-270.75
    £270.75 per item
    £47.01 per m²
    ex. VAT
  • 90mm Superglass Timber & Rafter Roll 32 | Insulation Merchant
    Sale 23%
    TIMBER & RAFTER ROLL by Superglass

    90mm Superglass Timber & Rafter Roll 32

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  • 140mm Superglass Timber & Rafter Roll 40 | Insulation Merchant
    TIMBER & RAFTER ROLL by Superglass

    140mm Superglass Timber & Rafter Roll 40

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  • 200mm Celotex XR4000 PIR Board | Insulation Merchant
    XR4000 by Celotex

    200mm Celotex XR4000 PIR Board

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  • 165mm Celotex XR4000 PIR Board | Insulation Merchant
    Sale
    XR4000 by Celotex

    165mm Celotex XR4000 PIR Board

    £102.90 per item
    £35.73 per m²
    inc. VAT
    £85.75 per item
    £29.77 per m²
    ex. VAT
    £105.90 Save £3.00
    £102.90 per item
    £35.73 per m²
    inc. VAT
    £88.25 Save £2.50
    £85.75 per item
    £29.77 per m²
    ex. VAT
  • 140mm Quinn Therm QR/QF/QW PIR Board | Insulation Merchant
    by Quinn Therm

    140mm Quinn Therm QR/QF/QW PIR Board

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  • 130mm Quinn Therm QR/QF/QW PIR Board | Insulation Merchant
    by Quinn Therm

    130mm Quinn Therm QR/QF/QW PIR Board

    £58.00 per item
    £20.14 per m²
    inc. VAT
    £48.33 per item
    £16.78 per m²
    ex. VAT
    Save £-58.00
    £58.00 per item
    £20.14 per m²
    inc. VAT
    £0.00 Save £-48.33
    £48.33 per item
    £16.78 per m²
    ex. VAT
  • 120mm Quinn Therm QR/QF/QW PIR Board | Insulation Merchant
    by Quinn Therm

    120mm Quinn Therm QR/QF/QW PIR Board

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  • 80mm Quinn Therm QR/QF/QW PIR Board | Insulation Merchant
    by Quinn Therm

    80mm Quinn Therm QR/QF/QW PIR Board

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  • 75mm Quinn Therm QR/QF/QW PIR Board | Insulation Merchant
    by Quinn Therm

    75mm Quinn Therm QR/QF/QW PIR Board

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  • 70mm Quinn Therm QR/QF/QW PIR Board | Insulation Merchant
    by Quinn Therm

    70mm Quinn Therm QR/QF/QW PIR Board

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    Add to a quote for our best rate.