Natural Insulation

Better for the environment, better for your house.

Shop our range of natural insulation options including wood fibre, hemp and sheep's wool from manufacturers Steico, IndiNature and Thermafleece.

Natural Insulation

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100mm STEICO Flex 036 - 575mm x 1190mm (4 per pack) | Insulation Merchant

Wood Fibre Insulation

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Hemp Insulation

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Sheep's Wool

Sheep's Wool

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CEWOOD Wood Wool Multi-purpose Board - Square Edge | Insulation Merchant

Wood Wool Boards

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Pro Clima Contega Solido SL80 (Internal Single-sIded Corner Adhesive Tape) - 80mm x 30m | Insulation Merchant

Sustainable Building

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Learn more from our blogs

Shush! A Guide to Acoustic Insulation

Ever wished you could turn down the volume on the world? Whether it's noisy neighbours, the kids practising their drums or the rumble of traffic, unwanted sound can be a real headache. That's where acoustic insulation comes in. This helpful guide will explore the ins and outs of soundproofing, from learning about sound waves to choosing the right materials for your project.

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Showing 112 of 112 products
  • 50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 440mm (4.22m² / 8 per pack)
    INDITHERM HEMP - 440 by IndiNature®

    50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 440mm (4.22m² / 8 per pack)

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  • 80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 370mm (2.22m² / 5 per pack)
    INDITHERM HEMP - 370 by IndiNature®

    80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 370mm (2.22m² / 5 per pack)

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  • 80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (3.42m² / 5 per pack)
    INDITHERM HEMP - 570 by IndiNature®

    80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (3.42m² / 5 per pack)

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  • 80mm STEICO Therm (wet) - 600mm x 1350mm - per board | Insulation Merchant

    5.0

    THERM (WET) by Steico

    80mm STEICO Therm (wet) - 600mm x 1350mm - per board

    This product is not available.

    Enquire for more information and advice.

  • 200mm STEICO Flex 036 - 575mm x 1190mm (1.369m² / 2 per pack) | Insulation Merchant
    Sale 10%
    FLEX by Steico

    200mm STEICO Flex 036 - 575mm x 1190mm (1.369m² / 2 per pack)

    £43.00 per item
    £31.41 per m²
    inc. VAT
    £35.83 per item
    £26.17 per m²
    ex. VAT
    £47.78 Save £4.78
    £43.00 per item
    £31.41 per m²
    inc. VAT
    £39.82 Save £3.98
    £35.83 per item
    £26.17 per m²
    ex. VAT
  • 80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 440mm (2.64m² / 5 per pack)

    5.0

    INDITHERM HEMP - 440 by IndiNature®

    80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 440mm (2.64m² / 5 per pack)

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  • Steico Multi Fill - 310ml Cartridge | Insulation Merchant
    Sale 10%
    by Steico

    Steico Multi Fill - 310ml Cartridge

    £12.00 per item
    inc. VAT
    £10.00 per item
    ex. VAT
    £13.40 Save £1.40
    £12.00 per item
    inc. VAT
    £11.17 Save £1.17
    £10.00 per item
    ex. VAT
  • 180mm STEICO Flex 036 - 575mm x 1190mm (2.053m² / 3 per pack) | Insulation Merchant
    Sale 9%
    FLEX by Steico

    180mm STEICO Flex 036 - 575mm x 1190mm (2.053m² / 3 per pack)

    £60.07 per item
    £29.26 per m²
    inc. VAT
    £50.06 per item
    £24.38 per m²
    ex. VAT
    £66.74 Save £6.67
    £60.07 per item
    £29.26 per m²
    inc. VAT
    £55.62 Save £5.56
    £50.06 per item
    £24.38 per m²
    ex. VAT
  • 160mm STEICO Flex 036 - 575mm x 1190mm (2.053m² / 3 per pack) | Insulation Merchant
    Sale 10%
    FLEX by Steico

    160mm STEICO Flex 036 - 575mm x 1190mm (2.053m² / 3 per pack)

    £51.62 per item
    £25.14 per m²
    inc. VAT
    £43.02 per item
    £20.95 per m²
    ex. VAT
    £57.36 Save £5.74
    £51.62 per item
    £25.14 per m²
    inc. VAT
    £47.80 Save £4.78
    £43.02 per item
    £20.95 per m²
    ex. VAT
  • 25mm STEICO Flex (Inserts for I-Joists) - 1220mm x 575mm (pack of 23) | Insulation Merchant
    Sale 9%
    FLEX INSERTS by Steico

    25mm STEICO Flex (Inserts for I-Joists) - 1220mm x 575mm (pack of 23)

    £73.89 per item
    £4.58 per m²
    inc. VAT
    £61.58 per item
    £3.82 per m²
    ex. VAT
    £81.28 Save £7.39
    £73.89 per item
    £4.58 per m²
    inc. VAT
    £67.73 Save £6.16
    £61.58 per item
    £3.82 per m²
    ex. VAT
  • 100mm STEICO Therm (wet)- 600mm x 1350mm - per board | Insulation Merchant
    THERM (WET) by Steico

    100mm STEICO Therm (wet)- 600mm x 1350mm - per board

    This product is not available.

    Enquire for more information and advice.

  • 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 per item
    £5.07 per m²
    inc. VAT
    £18.75 per item
    £4.22 per m²
    ex. VAT
    £22.50 Save £0.00
    £22.50 per item
    £5.07 per m²
    inc. VAT
    £18.75 Save £0.00
    £18.75 per item
    £4.22 per m²
    ex. VAT
  • 20mm STEICO Protect H (Multi Use/Reveal Board) - 1350mm x 500mm | Insulation Merchant
    Sale 16%
    PROTECT H (WET) by Steico

    20mm STEICO Protect - External Window Reveal & Soffit Render Board

    £9.97 per item
    £14.77 per m²
    inc. VAT
    £8.31 per item
    £12.31 per m²
    ex. VAT
    £11.97 Save £2.00
    £9.97 per item
    £14.77 per m²
    inc. VAT
    £9.98 Save £1.67
    £8.31 per item
    £12.31 per m²
    ex. VAT
  • 80mm STEICO protect M Dry - 1325mm x 600mm | Insulation Merchant
    PROTECT M (DRY) by Steico

    80mm STEICO protect M (dry) - 1325mm x 600mm

    This product is not available.

    Enquire for more information and advice.

  • STEICOmulti Renova Membrane - 50m x 1.5m | Insulation Merchant
    Sale 10%
    MULTI RENOVA by Steico

    STEICO Multi Renova Membrane - 50m x 1.5m

    £248.28 per item
    £3.31 per m²
    inc. VAT
    £206.90 per item
    £2.76 per m²
    ex. VAT
    £277.00 Save £28.72
    £248.28 per item
    £3.31 per m²
    inc. VAT
    £230.83 Save £23.93
    £206.90 per item
    £2.76 per m²
    ex. VAT
  • 100mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE) | Insulation Merchant
    Alternative Now Available
    COSYWOOL SLAB by Thermafleece

    100mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE)

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    Add to a quote for our best rate.

  • 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 per item
    £5.07 per m²
    inc. VAT
    £28.88 per item
    £4.22 per m²
    ex. VAT
    £34.65 Save £0.00
    £34.65 per item
    £5.07 per m²
    inc. VAT
    £28.88 Save £0.00
    £28.88 per item
    £4.22 per m²
    ex. VAT
  • 100mm STEICO Flex 036 - 575mm x 1190mm - PALLET OF 10 | Insulation Merchant
    Sale 10%
    FLEX by Steico

    100mm STEICO Flex 036 - 575mm x 1190mm - PALLET OF 10

    £418.50 per item
    £14.94 per m²
    inc. VAT
    £348.75 per item
    £12.46 per m²
    ex. VAT
    £465.00 Save £46.50
    £418.50 per item
    £14.94 per m²
    inc. VAT
    £387.50 Save £38.75
    £348.75 per item
    £12.46 per m²
    ex. VAT
  • 50mm Thermafleece Supasoft Roll (2 x 590mm rolls) | Insulation Merchant
    SUPASOFT by Thermafleece

    50mm Thermafleece Supasoft Roll (2 x 590mm rolls)

    £58.40 per item
    £4.95 per m²
    inc. VAT
    £48.67 per item
    £4.12 per m²
    ex. VAT
    Save £-58.40
    £58.40 per item
    £4.95 per m²
    inc. VAT
    £0.00 Save £-48.67
    £48.67 per item
    £4.12 per m²
    ex. VAT
  • 40mm STEICO Protect H (dry) - 1350mm x 600mm
    PROTECT H (DRY) by Steico

    40mm STEICO Protect H (dry) - 1350mm x 600mm

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