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

    150mm Knauf Loft Roll 44 (Combi-Cut)

    £43.16 inc. VAT
    £4.70 per m²
    £35.97 ex. VAT
    £3.92 per m²
    £43.16 inc. VAT
    £4.70 per m²
    Save £-43.16
    £35.97 ex. VAT
    £3.92 per m²
    £0.00 Save £-35.97
  • 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
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    LOFT ROLL by Knauf Insulation

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

    £43.43 inc. VAT
    £6.35 per m²
    £36.19 ex. VAT
    £5.29 per m²
    £43.43 inc. VAT
    £6.35 per m²
    Save £-43.43
    £36.19 ex. VAT
    £5.29 per m²
    £0.00 Save £-36.19
  • 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

    100mm Superglass Multi-Roll 44 - Pallet of 12

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  • 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

    150mm Superglass Multi-Roll 44 - Pallet of 12

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

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

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

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

    £22.50 inc. VAT
    £5.07 per m²
    £18.75 ex. VAT
    £4.22 per m²
    £22.50 inc. VAT
    £5.07 per m²
    £22.50 Save £0.00
    £18.75 ex. VAT
    £4.22 per m²
    £18.75 Save £0.00
  • IndiNature IndiLoft Hemp Flexibatt Loft Insulation | Insulation Merchant
    INDILOFT HEMP by IndiNature®

    IndiNature IndiLoft Hemp Flexibatt Loft Insulation

    From £22.38 inc. VAT
    £8.17 per m²
    From £18.65 ex. VAT
    £6.81 per m²
    From £22.38 inc. VAT
    £8.17 per m²
    Save £-22.38
    From £18.65 ex. VAT
    £6.81 per m²
    £0.00 Save £-18.65
  • 100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant 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

    £104.55 inc. VAT
    £13.40 per m²
    £87.13 ex. VAT
    £11.17 per m²
    £104.55 inc. VAT
    £13.40 per m²
    Save £-104.55
    £87.13 ex. VAT
    £11.17 per m²
    £0.00 Save £-87.13