Collection: 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

Showing 28 of 28 products

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Price: 0 – £379.90
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Showing 28 of 28 products

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Up to £379.90

Showing 28 of 28 products
  • LOFT LEG Loft Flooring Legs - Raise Loft Boards by 175mm (12 per box)
    Sale 9%
    LOFT LEG by Loft Leg

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

    Regular price
    £12.04
    Unit Price
    £1.00 per ea
    Sale price
    £12.04
    Unit Price
    £1.00 per ea
    Regular price
    £13.25 Save £1.21
  • LOFT LEG XL Loft Flooring Legs - Raise Loft Boards by 300mm (12 per box)
    Sale 10%
    LOFT LEG by Loft Leg

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

    Regular price
    £14.36
    Unit Price
    £1.19 per ea
    Sale price
    £14.36
    Unit Price
    £1.19 per ea
    Regular price
    £15.96 Save £1.60
  • COROTOP Light - Breathable Membrane - 1m x 50m (50m²)
    LIGHT by Corotop - Membranes

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

    Regular price
    £30.75
    Unit Price
    £0.61 per m²
    Sale price
    £30.75
    Unit Price
    £0.61 per m²
    Regular price
    Save £-30.75
  • Insulation Support Netting - 1m x 100m
    SUPPORT NETTING by Insulation Merchant

    Insulation Support Netting - 1m x 100m

    Regular price
    £16.93
    Unit Price
    £0.16 per m²
    Sale price
    £16.93
    Unit Price
    £0.16 per m²
    Regular price
    £19.92 Save £2.99
  • Insulation Support Netting - 2m x 100m
    SUPPORT NETTING by Insulation Merchant

    Insulation Support Netting - 2m x 100m

    Regular price
    £33.93
    Unit Price
    £0.16 per m²
    Sale price
    £33.93
    Unit Price
    £0.16 per m²
    Regular price
    £39.92 Save £5.99
  • 100mm Superglass Multi-Roll 44
    MULTI-ROLL 44 by Superglass

    100mm Superglass Multi-Roll 44

    Regular price
    £27.67
    Unit Price
    £2.28 per m²
    Sale price
    £27.67
    Unit Price
    £2.28 per m²
    Regular price
    Save £-27.67
  • 150mm Superglass Multi-Roll 44
    MULTI-ROLL 44 by Superglass

    150mm Superglass Multi-Roll 44

    Regular price
    £26.42
    Unit Price
    £3.42 per m²
    Sale price
    £26.42
    Unit Price
    £3.42 per m²
    Regular price
    Save £-26.42
  • 200mm Superglass Multi-Roll 44
    MULTI-ROLL 44 by Superglass

    200mm Superglass Multi-Roll 44

    Regular price
    £25.75
    Unit Price
    £4.58 per m²
    Sale price
    £25.75
    Unit Price
    £4.58 per m²
    Regular price
    Save £-25.75
  • 100mm Superglass Multi-Roll 40
    MULTI-ROLL 40 by Superglass

    100mm Superglass Multi-Roll 40

    Regular price
    £31.25
    Unit Price
    £2.67 per m²
    Sale price
    £31.25
    Unit Price
    £2.67 per m²
    Regular price
    Save £-31.25
  • 150mm Superglass Multi-Roll 40
    MULTI-ROLL 40 by Superglass

    150mm Superglass Multi-Roll 40

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  • 200mm Superglass Multi-Roll 40
    MULTI-ROLL 40 by Superglass

    200mm Superglass Multi-Roll 40

    Regular price
    £37.42
    Unit Price
    £7.01 per m²
    Sale price
    £37.42
    Unit Price
    £7.01 per m²
    Regular price
    Save £-37.42
  • 50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (5.47m²)
    INDITHERM HEMP - 570 by IndiNature®

    50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (5.47m²)

    Regular price
    £35.82
    Unit Price
    £6.55 per m²
    Sale price
    £35.82
    Unit Price
    £6.55 per m²
    Regular price
    Save £-35.82
  • 100mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (2.74m²)
    INDITHERM HEMP - 570 by IndiNature®

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

    Regular price
    £35.82
    Unit Price
    £13.07 per m²
    Sale price
    £35.82
    Unit Price
    £13.07 per m²
    Regular price
    Save £-35.82
  • 50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 370mm (3.55m²)
    INDITHERM HEMP - 370 by IndiNature®

    50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 370mm (3.55m²)

    Regular price
    £23.25
    Unit Price
    £6.55 per m²
    Sale price
    £23.25
    Unit Price
    £6.55 per m²
    Regular price
    Save £-23.25
  • 100mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 370mm (1.78m²)
    INDITHERM HEMP - 370 by IndiNature®

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

    Regular price
    £23.25
    Unit Price
    £13.06 per m²
    Sale price
    £23.25
    Unit Price
    £13.06 per m²
    Regular price
    Save £-23.25
  • 100mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls)
    COSYWOOL by Thermafleece

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

    Regular price
    £80.67
    Unit Price
    £11.17 per m²
    Sale price
    £80.67
    Unit Price
    £11.17 per m²
    Regular price
    Save £-80.67
  • 100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls)
    COSYWOOL by Thermafleece

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

    Regular price
    £82.79
    Unit Price
    £11.17 per m²
    Sale price
    £82.79
    Unit Price
    £11.17 per m²
    Regular price
    Save £-82.79
  • 150mm Thermafleece CosyWool Sheep Wool (3 x 370mm rolls)
    COSYWOOL by Thermafleece

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

    Regular price
    £79.99
    Unit Price
    £16.77 per m²
    Sale price
    £79.99
    Unit Price
    £16.77 per m²
    Regular price
    Save £-79.99
  • 150mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls)
    COSYWOOL by Thermafleece

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

    Regular price
    £82.17
    Unit Price
    £16.77 per m²
    Sale price
    £82.17
    Unit Price
    £16.77 per m²
    Regular price
    Save £-82.17
  • 100mm Knauf Loft Roll 44 (Combi-Cut)
    Winter Deals
    Free Shipping
    LOFT ROLL by Knauf Insulation

    100mm Knauf Loft Roll 44 (Combi-Cut)

    Regular price
    £36.85
    Unit Price
    £2.65 per m²
    Sale price
    £36.85
    Unit Price
    £2.65 per m²
    Regular price
    Save £-36.85