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

    KNI/LOFT44-150

    150mm Knauf Loft Roll 44 (Combi-Cut)

    €38,95 EUR ex. GB VAT
    €4,24 per m²
    €3,54 per m²
    €38,95 EUR ex. GB VAT
    €4,24 per m²
    you save €-38,95
    €3,54 per m²
    €0,00 you save €-32,46
  • 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

    KNI/LOFT44-200

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

    €39,95 EUR ex. GB VAT
    €5,84 per m²
    €4,87 per m²
    €39,95 EUR ex. GB VAT
    €5,84 per m²
    you save €-39,95
    €4,87 per m²
    €0,00 you save €-33,29
  • 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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  • 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

    €386,95 EUR ex. GB VAT
    €4,18 per m²
    €3,48 per m²
    €386,95 EUR ex. GB VAT
    €4,18 per m²
    you save €-386,95
    €3,48 per m²
    €0,00 you save €-322,46
  • 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)

    €33,95 EUR ex. GB VAT
    €12,39 per m²
    €10,33 per m²
    €33,95 EUR ex. GB VAT
    €12,39 per m²
    you save €-33,95
    €10,33 per m²
    €0,00 you save €-28,29
  • 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)

    €47,95 EUR ex. GB VAT
    €17,50 per m²
    €14,58 per m²
    €47,95 EUR ex. GB VAT
    €17,50 per m²
    you save €-47,95
    €14,58 per m²
    €0,00 you save €-39,96
  • 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)

    €25,95 EUR ex. GB VAT
    €12,30 per m²
    €10,25 per m²
    €25,95 EUR ex. GB VAT
    €12,30 per m²
    you save €-25,95
    €10,25 per m²
    €0,00 you save €-21,63
  • 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)

    €36,95 EUR ex. GB VAT
    €17,51 per m²
    €14,59 per m²
    €36,95 EUR ex. GB VAT
    €17,51 per m²
    you save €-36,95
    €14,59 per m²
    €0,00 you save €-30,79
  • 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)

    €21,95 EUR ex. GB VAT
    €12,33 per m²
    €10,28 per m²
    €21,95 EUR ex. GB VAT
    €12,33 per m²
    you save €-21,95
    €10,28 per m²
    €0,00 you save €-18,29
  • 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)

    €30,95 EUR ex. GB VAT
    €17,39 per m²
    €14,49 per m²
    €30,95 EUR ex. GB VAT
    €17,39 per m²
    you save €-30,95
    €14,49 per m²
    €0,00 you save €-25,79
  • 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)

    €35,95 EUR ex. GB VAT
    €5,26 per m²
    €4,38 per m²
    €35,95 EUR ex. GB VAT
    €5,26 per m²
    you save €-35,95
    €4,38 per m²
    €0,00 you save €-29,96
  • 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)

    €23,95 EUR ex. GB VAT
    €5,39 per m²
    €4,50 per m²
    €23,95 EUR ex. GB VAT
    €5,39 per m²
    you save €-23,95
    €4,50 per m²
    €0,00 you save €-19,96