Loft & Underfloor Insulation

Now is the best time to upgrade your loft or underfloor (suspended timber) insulation for the winter months. View our collection of insulation and accessories.
Loft & Underfloor Insulation
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Price: 0 – £379.90
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  • 150mm Knauf Loft Roll 44 (Combi-Cut) | Insulation Merchant 150mm Knauf Loft Roll 44 (Combi-Cut) | Insulation Merchant
    Free Shipping
    LOFT ROLL by Knauf Insulation

    KNI/LOFT44-150

    150mm Knauf Loft Roll 44 (Combi-Cut)

    £37.91
    £4.13 per m²
    £31.59 ex. VAT
    £3.44 per m²
    £37.91
    £4.13 per m²
    you save £-37.91
    £31.59 ex. VAT
    £3.44 per m²
    £0.00 you save £-31.59
  • 200mm Knauf Loft Roll 44 (Combi-Cut) - 1140mm x 5.2m | Insulation Merchant 200mm Knauf Loft Roll 44 (Combi-Cut) - 1140mm x 5.2m | Insulation Merchant
    Black Friday
    Black Friday Daily Deal
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    LOFT ROLL by Knauf Insulation

    KNI/LOFT44-200

    200mm Knauf Loft Roll 44 (Combi-Cut) - 1140mm x 5.2m

    £38.13
    £5.57 per m²
    £31.78 ex. VAT
    £4.65 per m²
    £38.13
    £5.57 per m²
    you save £-38.13
    £31.78 ex. VAT
    £4.65 per m²
    £0.00 you save £-31.78
  • 100mm Superglass Multi-Roll 44 - Pallet of 12 | Insulation Merchant 100mm Superglass Multi-Roll 44 - Pallet of 12 | Insulation Merchant
    MULTI-ROLL 44 by Superglass

    SG/MR44-100/PL

    100mm Superglass Multi-Roll 44 - Pallet of 12

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    Add to a quote for our best rate.

  • 150mm Superglass Multi-Roll 44 - Pallet of 12 | Insulation Merchant 150mm Superglass Multi-Roll 44 - Pallet of 12 | Insulation Merchant
    MULTI-ROLL 44 by Superglass

    SG/MR44-150/PL

    150mm Superglass Multi-Roll 44 - Pallet of 12

    £377.30
    £4.08 per m²
    £314.42 ex. VAT
    £3.40 per m²
    £377.30
    £4.08 per m²
    you save £-377.30
    £314.42 ex. VAT
    £3.40 per m²
    £0.00 you save £-314.42
  • IndiNature IndiLoft Hemp Flexibatt Loft Insulation
    New
    Autumn Offers
    INDILOFT HEMP - 570 by IndiNature®

    IN/LB4457-100

    100mm IndiNature IndiLoft Hemp Flexibatt Loft Insulation - 1200 x 570mm (2.74m²)

    £32.83
    £11.98 per m²
    £27.36 ex. VAT
    £9.98 per m²
    £32.83
    £11.98 per m²
    you save £-32.83
    £27.36 ex. VAT
    £9.98 per m²
    £0.00 you save £-27.36
  • 140mm IndiNature IndiLoft Hemp Flexibatt Loft Insulation - 1200 x 570mm (2.74m²) | Insulation Merchant
    New
    Autumn Offers
    INDILOFT HEMP - 570 by IndiNature®

    IN/LB4457-140

    140mm IndiNature IndiLoft Hemp Flexibatt Loft Insulation - 1200 x 570mm (2.74m²)

    £45.96
    £16.77 per m²
    £38.30 ex. VAT
    £13.98 per m²
    £45.96
    £16.77 per m²
    you save £-45.96
    £38.30 ex. VAT
    £13.98 per m²
    £0.00 you save £-38.30
  • IndiNature IndiLoft Hemp Flexibatt Loft Insulation | Insulation Merchant
    New
    Autumn Offers
    INDILOFT HEMP - 440 by IndiNature®

    IN/LB4444-100

    100mm IndiNature IndiLoft Hemp Flexibatt Loft Insulation - 1200 x 440mm (2.11m²)

    £25.34
    £12.01 per m²
    £21.12 ex. VAT
    £10.01 per m²
    £25.34
    £12.01 per m²
    you save £-25.34
    £21.12 ex. VAT
    £10.01 per m²
    £0.00 you save £-21.12
  • 140mm IndiNature IndiLoft Hemp Flexibatt Loft Insulation - 1200 x 440mm (2.11m²) | Insulation Merchant
    New
    Autumn Offers
    INDILOFT HEMP - 440 by IndiNature®

    IN/LB4444-140

    140mm IndiNature IndiLoft Hemp Flexibatt Loft Insulation - 1200 x 440mm (2.11m²)

    £35.48
    £16.82 per m²
    £29.57 ex. VAT
    £14.01 per m²
    £35.48
    £16.82 per m²
    you save £-35.48
    £29.57 ex. VAT
    £14.01 per m²
    £0.00 you save £-29.57
  • IndiNature IndiLoft Hemp Flexibatt Loft Insulation | Insulation Merchant
    New
    Autumn Offers
    INDILOFT HEMP - 370 by IndiNature®

    IN/LB4437-100

    100mm IndiNature IndiLoft Hemp Flexibatt Loft Insulation - 1200 x 370mm (1.78m²)

    £21.31
    £11.97 per m²
    £17.76 ex. VAT
    £9.98 per m²
    £21.31
    £11.97 per m²
    you save £-21.31
    £17.76 ex. VAT
    £9.98 per m²
    £0.00 you save £-17.76
  • 140mm IndiNature IndiLoft Hemp Flexibatt Loft Insulation - 1200 x 370mm (1.78m²) | Insulation Merchant
    New
    Autumn Offers
    INDILOFT HEMP - 370 by IndiNature®

    IN/LB4437-140

    140mm IndiNature IndiLoft Hemp Flexibatt Loft Insulation - 1200 x 370mm (1.78m²)

    £29.83
    £16.76 per m²
    £24.86 ex. VAT
    £13.97 per m²
    £29.83
    £16.76 per m²
    you save £-29.83
    £24.86 ex. VAT
    £13.97 per m²
    £0.00 you save £-24.86
  • 100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant
    Autumn Offers
    COSYWOOL by Thermafleece

    TF/COSY-25x570

    25mm Thermafleece CosyWool Sheep Wool (1 x 570mm roll)

    £34.65
    £5.07 per m²
    £28.88 ex. VAT
    £4.22 per m²
    £34.65
    £5.07 per m²
    you save £-34.65
    £28.88 ex. VAT
    £4.22 per m²
    £0.00 you save £-28.88
  • 100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant
    Autumn Offers
    COSYWOOL by Thermafleece

    TF/COSY-25x370

    25mm Thermafleece CosyWool Sheep Wool (1 x 370mm roll)

    £22.50
    £5.07 per m²
    £18.75 ex. VAT
    £4.22 per m²
    £22.50
    £5.07 per m²
    you save £-22.50
    £18.75 ex. VAT
    £4.22 per m²
    £0.00 you save £-18.75