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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IndiNature IndiTherm Hemp Flexibatt Insulation | Insulation Merchant

Hemp Insulation

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Sheep's Wool

Sheep's Wool

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Wood Wool Boards

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Airtight and windtight systems | Insulation Merchant

Sustainable Building

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  • STEICOmulti Membra 5 Vapour Control Layer - 50m x 1.5m
    MULTI MEMBRA 5 by Steico

    STE/MM5-5015

    STEICOmulti Membra 5 Vapour Control Layer - 50m x 1.5m

    £176.30 inc. VAT
    £2.35 per m²
    £146.92 ex. VAT
    £1.96 per m²
    £176.30 inc. VAT
    £2.35 per m²
    you save £-176.30
    £146.92 ex. VAT
    £1.96 per m²
    £0.00 you save £-146.92
  • 16.7m x 1.5m Thermafleece Breather Membrane (25m²) | Insulation Merchant 16.7m x 1.5m Thermafleece Breather Membrane (25m²) | Insulation Merchant
    BREATHER MEMBRANE by Thermafleece

    TF/BM-25

    16.7m x 1.5m Thermafleece Breather Membrane (25m²)

    £74.90 inc. VAT
    £2.99 per m²
    £62.42 ex. VAT
    £2.50 per m²
    £74.90 inc. VAT
    £2.99 per m²
    you save £-74.90
    £62.42 ex. VAT
    £2.50 per m²
    £0.00 you save £-62.42
  • 35mm STEICO Universal Wet - 600mm x 2230mm | Insulation Merchant 35mm STEICO Universal Wet - 600mm x 2230mm | Insulation Merchant
    Sale 4%
    UNIVERSAL by Steico

    STE/UNI223-35

    35mm STEICO Universal Wet - 600mm x 2230mm

    £19.96 inc. VAT
    £16.63 ex. VAT
    £19.96 inc. VAT
    £20.94 you save £0.98
    £16.63 ex. VAT
    £17.45 you save £0.82
  • 140mm STEICO Flex 036 - 375mm x 1190mm (1.785m² / 4 per pack) | Insulation Merchant 140mm STEICO Flex 036 - 375mm x 1190mm (1.785m² / 4 per pack) | Insulation Merchant
    Sale 10%
    Autumn Offers
    FLEX 036 by Steico

    STE/FLEX37-140

    140mm STEICO Flex 036 - 375mm x 1190mm (1.785m² / 4 per pack)

    £40.79 inc. VAT
    £22.85 per m²
    £33.99 ex. VAT
    £19.04 per m²
    £40.79 inc. VAT
    £22.85 per m²
    £45.52 you save £4.73
    £33.99 ex. VAT
    £19.04 per m²
    £37.93 you save £3.94
  • 140mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (2.74m²) | Insulation Merchant 140mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (2.74m²) | Insulation Merchant
    Autumn Offers
    INDITHERM HEMP - 570 by IndiNature®

    IN/TH4057-140

    140mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (2.74m²)

    £60.18 inc. VAT
    £21.96 per m²
    £50.15 ex. VAT
    £18.30 per m²
    £60.18 inc. VAT
    £21.96 per m²
    you save £-60.18
    £50.15 ex. VAT
    £18.30 per m²
    £0.00 you save £-50.15
  • 60mm STEICOduo Dry - 600mm x 2230mm | Insulation Merchant
    Sale 12%
    DUO DRY by Steico

    STE/DD-60

    60mm STEICOduo Dry - 600mm x 2230mm

    £31.51 inc. VAT
    £23.55 per m²
    £26.26 ex. VAT
    £19.63 per m²
    £31.51 inc. VAT
    £23.55 per m²
    £35.83 you save £4.32
    £26.26 ex. VAT
    £19.63 per m²
    £29.86 you save £3.60
  • 80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 370mm (3.11m² / 7 per pack) 80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 370mm (3.11m² / 7 per pack)
    Autumn Offers
    Discontinued - Alternative Available.
    INDITHERM HEMP - 370 by IndiNature®

    IN/TH4037-80

    80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 370mm (3.11m² / 7 per pack)

    £ Looking for a price?

    Add to a quote for our best rate.

  • 80mm STEICO Special Dry 600mm x 2230mm - per board 80mm STEICO Special Dry 600mm x 2230mm - per board
    Sale 9%
    SPECIAL DRY by Steico

    STE/SPEDRY223-80

    80mm STEICO Special Dry 600mm x 2230mm - per board

    £37.13 inc. VAT
    £27.75 per m²
    £30.94 ex. VAT
    £23.13 per m²
    £37.13 inc. VAT
    £27.75 per m²
    £41.00 you save £3.87
    £30.94 ex. VAT
    £23.13 per m²
    £34.17 you save £3.23
  • STEICO Multi Tape F - 25m x 60mm
    MULTI TAPE F by Steico

    STE/MTF-60C

    STEICO Multi Tape F - 25m x 60mm

    £24.90 inc. VAT
    £0.99 per LM (linear metre)
    £20.75 ex. VAT
    £0.83 per LM (linear metre)
    £24.90 inc. VAT
    £0.99 per LM (linear metre)
    you save £-24.90
    £20.75 ex. VAT
    £0.83 per LM (linear metre)
    £0.00 you save £-20.75
  • 50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 440mm (4.22m²) | Insulation Merchant50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 440mm (4.22m²) | Insulation Merchant 50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 440mm (4.22m²) | Insulation Merchant
    Autumn Offers
    INDITHERM HEMP - 440 by IndiNature®

    IN/TH4044-50

    50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 440mm (4.22m²)

    £33.18 inc. VAT
    £7.86 per m²
    £27.65 ex. VAT
    £6.55 per m²
    £33.18 inc. VAT
    £7.86 per m²
    you save £-33.18
    £27.65 ex. VAT
    £6.55 per m²
    £0.00 you save £-27.65
  • 120mm STEICO Special Dry 600mm x 1880mm - per board | Insulation Merchant 120mm STEICO Special Dry 600mm x 1880mm - per board | Insulation Merchant
    Sale 9%
    SPECIAL DRY by Steico

    STE/SPEDRY-120

    120mm STEICO Special Dry 600mm x 1880mm - per board

    £47.14 inc. VAT
    £44.18 per m²
    £39.28 ex. VAT
    £36.82 per m²
    £47.14 inc. VAT
    £44.18 per m²
    £52.04 you save £4.90
    £39.28 ex. VAT
    £36.82 per m²
    £43.37 you save £4.08
  • 80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 370mm (2.22m² / 5 per pack) 80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 370mm (2.22m² / 5 per pack)
    Autumn Offers
    INDITHERM HEMP - 370 by IndiNature®

    IN/TH4037-80N

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

    £27.90 inc. VAT
    £12.57 per m²
    £23.25 ex. VAT
    £10.47 per m²
    £27.90 inc. VAT
    £12.57 per m²
    you save £-27.90
    £23.25 ex. VAT
    £10.47 per m²
    £0.00 you save £-23.25
  • 80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (3.42m² / 5 per pack) 80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (3.42m² / 5 per pack)
    Autumn Offers
    INDITHERM HEMP - 570 by IndiNature®

    IN/TH4057-80N

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

    £42.98 inc. VAT
    £12.57 per m²
    £35.82 ex. VAT
    £10.47 per m²
    £42.98 inc. VAT
    £12.57 per m²
    you save £-42.98
    £35.82 ex. VAT
    £10.47 per m²
    £0.00 you save £-35.82
  • 80mm STEICO Therm (wet) - 600mm x 1350mm - per board 80mm STEICO Therm (wet) - 600mm x 1350mm - per board
    Sale 13%
    THERM WET by Steico

    STE/THERM-80

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

    £17.92 inc. VAT
    £14.93 ex. VAT
    £17.92 inc. VAT
    £20.66 you save £2.74
    £14.93 ex. VAT
    £17.22 you save £2.28
  • 200mm STEICO Flex 036 - 575mm x 1190mm (1.369m² / 2 per pack) | Insulation Merchant 200mm STEICO Flex 036 - 575mm x 1190mm (1.369m² / 2 per pack) | Insulation Merchant
    Sale 9%
    Autumn Offers
    FLEX 036 by Steico

    STE/FLEX57-200

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

    £43.38 inc. VAT
    £31.69 per m²
    £36.15 ex. VAT
    £26.41 per m²
    £43.38 inc. VAT
    £31.69 per m²
    £47.78 you save £4.40
    £36.15 ex. VAT
    £26.41 per m²
    £39.82 you save £3.67
  • 80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 440mm (2.64m² / 5 per pack) 80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 440mm (2.64m² / 5 per pack)
    Autumn Offers
    INDITHERM HEMP - 440 by IndiNature®

    IN/TH4044-80N

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

    £33.18 inc. VAT
    £12.57 per m²
    £27.65 ex. VAT
    £10.47 per m²
    £33.18 inc. VAT
    £12.57 per m²
    you save £-33.18
    £27.65 ex. VAT
    £10.47 per m²
    £0.00 you save £-27.65
  • Steico Multi Fill - 310ml Cartridge Steico Multi Fill - 310ml Cartridge
    by Steico

    STE/MFT310

    Steico Multi Fill - 310ml Cartridge

    £16.90 inc. VAT
    £14.08 ex. VAT
    £16.90 inc. VAT
    you save £-16.90
    £14.08 ex. VAT
    £0.00 you save £-14.08
  • 180mm STEICO Flex 036 - 575mm x 1190mm (2.053m² / 3 per pack) | Insulation Merchant 180mm STEICO Flex 036 - 575mm x 1190mm (2.053m² / 3 per pack) | Insulation Merchant
    Sale 9%
    Autumn Offers
    FLEX 036 by Steico

    STE/FLEX57-180

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

    £60.59 inc. VAT
    £29.51 per m²
    £50.49 ex. VAT
    £24.59 per m²
    £60.59 inc. VAT
    £29.51 per m²
    £66.74 you save £6.15
    £50.49 ex. VAT
    £24.59 per m²
    £55.62 you save £5.13
  • 80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (4.79m²) 80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (4.79m²)
    Autumn Offers
    Discontinued - Alternative Available.
    INDITHERM HEMP - 570 by IndiNature®

    IN/TH4057-80

    80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (4.79m²)

    £ Looking for a price?

    Add to a quote for our best rate.

  • 160mm STEICO Flex 036 - 575mm x 1190mm (2.053m² / 3 per pack) | Insulation Merchant 160mm STEICO Flex 036 - 575mm x 1190mm (2.053m² / 3 per pack) | Insulation Merchant
    Sale 9%
    Autumn Offers
    FLEX 036 by Steico

    STE/FLEX57-160

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

    £52.07 inc. VAT
    £25.36 per m²
    £43.39 ex. VAT
    £21.14 per m²
    £52.07 inc. VAT
    £25.36 per m²
    £57.36 you save £5.29
    £43.39 ex. VAT
    £21.14 per m²
    £47.80 you save £4.41