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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  • LOFT LEG Loft Flooring Legs - Raise Loft Boards by 175mm (12 per box) | Insulation Merchant
    LOFT LEG by Loft Leg

    LOFT LEG Loft Flooring Legs - Raise Loft Boards by 175mm (12 per box)

    €14,95 EUR per item
    €1,24 per ea
    ex. GB VAT
    Save €-14,95
    €14,95 EUR per item
    €1,24 per ea
    ex. GB VAT
  • LOFT LEG XL Loft Flooring Legs - Raise Loft Boards by 300mm (12 per box) | Insulation Merchant

    4.0

    LOFT LEG by Loft Leg

    LOFT LEG XL Loft Flooring Legs - Raise Loft Boards by 300mm (12 per box)

    €16,95 EUR per item
    €1,41 per ea
    ex. GB VAT
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    €16,95 EUR per item
    €1,41 per ea
    ex. GB VAT
  • COROTOP Light - Breathable Membrane - 1m x 50m (50m²) | Insulation Merchant

    5.0

    LIGHT by Corotop - Membranes

    COROTOP Light - Breathable Membrane - 1m x 50m (50m²)

    €35,95 EUR per item
    €0,71 per m²
    ex. GB VAT
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    €35,95 EUR per item
    €0,71 per m²
    ex. GB VAT
  • Insulation Support Netting - 1m x 100m | Insulation Merchant
    Free Shipping

    5.0

    SUPPORT NETTING by Insulation Merchant

    Insulation Support Netting - 1m x 100m

    €29,95 EUR per item
    €0,29 per m²
    ex. GB VAT
    Save €-29,95
    €29,95 EUR per item
    €0,29 per m²
    ex. GB VAT
  • Insulation Support Netting - 2m x 100m | Insulation Merchant
    SUPPORT NETTING by Insulation Merchant

    Insulation Support Netting - 2m x 100m

    €37,95 EUR per item
    €0,18 per m²
    ex. GB VAT
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    €37,95 EUR per item
    €0,18 per m²
    ex. GB VAT
  • 100mm Superglass Multi-Roll 44 | Insulation Merchant
    MULTI-ROLL 44 by Superglass

    100mm Superglass Multi-Roll 44

    €32,95 EUR per item
    €2,72 per m²
    ex. GB VAT
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    €32,95 EUR per item
    €2,72 per m²
    ex. GB VAT
  • 150mm Superglass Multi-Roll 44 | Insulation Merchant
    MULTI-ROLL 44 by Superglass

    150mm Superglass Multi-Roll 44

    €30,95 EUR per item
    €4,01 per m²
    ex. GB VAT
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    €30,95 EUR per item
    €4,01 per m²
    ex. GB VAT
  • 200mm Superglass Multi-Roll 44 | Insulation Merchant
    MULTI-ROLL 44 by Superglass

    200mm Superglass Multi-Roll 44

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    Add to a quote for our best rate.

  • 100mm Superglass Multi-Roll 40 | Insulation Merchant
    MULTI-ROLL 40 by Superglass

    100mm Superglass Multi-Roll 40

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    Add to a quote for our best rate.

  • 150mm Superglass Multi-Roll 40 | Insulation Merchant
    MULTI-ROLL 40 by Superglass

    150mm Superglass Multi-Roll 40

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    Add to a quote for our best rate.

  • 200mm Superglass Multi-Roll 40 | Insulation Merchant
    MULTI-ROLL 40 by Superglass

    200mm Superglass Multi-Roll 40

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    Add to a quote for our best rate.

  • 50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (5.47m² / 8 per pack)
    INDITHERM HEMP - 570 by IndiNature®

    50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (5.47m² / 8 per pack)

    €49,95 EUR per item
    €9,13 per m²
    ex. GB VAT
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    €49,95 EUR per item
    €9,13 per m²
    ex. GB VAT
  • 100mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (2.74m² / 4 per pack)

    5.0

    INDITHERM HEMP - 570 by IndiNature®

    100mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (2.74m² / 4 per pack)

    €49,95 EUR per item
    €18,23 per m²
    ex. GB VAT
    Save €-49,95
    €49,95 EUR per item
    €18,23 per m²
    ex. GB VAT
  • 50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 370mm (3.55m² / 8 per pack)
    INDITHERM HEMP - 370 by IndiNature®

    50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 370mm (3.55m² / 8 per pack)

    €31,95 EUR per item
    €9,00 per m²
    ex. GB VAT
    Save €-31,95
    €31,95 EUR per item
    €9,00 per m²
    ex. GB VAT
  • 100mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 370mm (1.78m² / 4 per pack)

    5.0

    INDITHERM HEMP - 370 by IndiNature®

    100mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 370mm (1.78m² / 4 per pack)

    €31,95 EUR per item
    €17,95 per m²
    ex. GB VAT
    Save €-31,95
    €31,95 EUR per item
    €17,95 per m²
    ex. GB VAT
  • 100mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls) | Insulation Merchant

    5.0

    COSYWOOL by Thermafleece

    100mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls)

    €94,95 EUR per item
    €13,15 per m²
    ex. GB VAT
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    €94,95 EUR per item
    €13,15 per m²
    ex. GB VAT
  • 100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant

    5.0

    COSYWOOL by Thermafleece

    100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls)

    €96,95 EUR per item
    €13,08 per m²
    ex. GB VAT
    Save €-96,95
    €96,95 EUR per item
    €13,08 per m²
    ex. GB VAT
  • 150mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls) | Insulation Merchant

    4.6

    COSYWOOL by Thermafleece

    150mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls)

    €93,95 EUR per item
    €19,70 per m²
    ex. GB VAT
    Save €-93,95
    €93,95 EUR per item
    €19,70 per m²
    ex. GB VAT
  • 150mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant

    5.0

    COSYWOOL by Thermafleece

    150mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls)

    €95,95 EUR per item
    €19,58 per m²
    ex. GB VAT
    Save €-95,95
    €95,95 EUR per item
    €19,58 per m²
    ex. GB VAT
  • Knauf Loft Roll 44 | Insulation Merchant
    Free Shipping

    5.0

    LOFT ROLL by Knauf Insulation

    100mm Knauf Loft Roll 44 (Combi-Cut)

    €45,95 EUR per item
    €3,31 per m²
    ex. GB VAT
    Save €-45,95
    €45,95 EUR per item
    €3,31 per m²
    ex. GB VAT