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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View our summer deals and promotions across our range of products.
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Price: 0 – £379.90
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Showing 28 of 28 products
  • 150mm Knauf Loft Roll 44 (Combi-Cut) | Insulation Merchant
    Top Deals
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    LOFT ROLL by Knauf Insulation

    150mm Knauf Loft Roll 44 (Combi-Cut)

    £48.23 per item
    £5.25 per m²
    inc. VAT
    £40.19 per item
    £4.38 per m²
    ex. VAT
    Save £-48.23
    £48.23 per item
    £5.25 per m²
    inc. VAT
    £0.00 Save £-40.19
    £40.19 per item
    £4.38 per m²
    ex. VAT
  • 200mm Knauf Loft Roll 44 (Combi-Cut) - 1140mm x 5.2m | Insulation Merchant
    Top Deals
    Free Shipping
    LOFT ROLL by Knauf Insulation

    200mm Knauf Loft Roll 44 (Combi-Cut) - 1140mm x 6.0m

    £48.78 per item
    £7.13 per m²
    inc. VAT
    £40.65 per item
    £5.94 per m²
    ex. VAT
    Save £-48.78
    £48.78 per item
    £7.13 per m²
    inc. VAT
    £0.00 Save £-40.65
    £40.65 per item
    £5.94 per m²
    ex. VAT
  • 100mm Superglass Multi-Roll 44 - Pallet of 12 | Insulation Merchant
    MULTI-ROLL 44 by Superglass

    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
    MULTI-ROLL 44 by Superglass

    150mm Superglass Multi-Roll 44 - Pallet of 12

    £377.30 per item
    £4.08 per m²
    inc. VAT
    £314.42 per item
    £3.40 per m²
    ex. VAT
    Save £-377.30
    £377.30 per item
    £4.08 per m²
    inc. VAT
    £0.00 Save £-314.42
    £314.42 per item
    £3.40 per m²
    ex. VAT
  • 100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant
    COSYWOOL by Thermafleece

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

    £38.81 per item
    £5.67 per m²
    inc. VAT
    £32.34 per item
    £4.73 per m²
    ex. VAT
    £34.65 Save £-4.16
    £38.81 per item
    £5.67 per m²
    inc. VAT
    £28.88 Save £-3.47
    £32.34 per item
    £4.73 per m²
    ex. VAT
  • 100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant
    COSYWOOL by Thermafleece

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

    £25.20 per item
    £5.68 per m²
    inc. VAT
    £21.00 per item
    £4.73 per m²
    ex. VAT
    £22.50 Save £-2.70
    £25.20 per item
    £5.68 per m²
    inc. VAT
    £18.75 Save £-2.25
    £21.00 per item
    £4.73 per m²
    ex. VAT
  • IndiNature IndiLoft Hemp Flexibatt Loft Insulation | Insulation Merchant
    INDILOFT HEMP by IndiNature®

    IndiNature IndiLoft Hemp Flexibatt Loft Insulation

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    Add to a quote for our best rate.

  • 100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant

    5.0

    COSYWOOL ROLL by Thermafleece

    Thermafleece CosyWool Sheep Wool Roll Insulation - 400 & 300mm

    £117.10 per item
    £15.01 per m²
    inc. VAT
    £97.58 per item
    £12.51 per m²
    ex. VAT
    Save £-117.10
    £117.10 per item
    £15.01 per m²
    inc. VAT
    £0.00 Save £-97.58
    £97.58 per item
    £12.51 per m²
    ex. VAT