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

    STEICO Multi Renova Membrane - 50m x 1.5m

    £227.95 ex. GB VAT
    £3.03 per m²
    £227.95 ex. GB VAT
    £3.03 per m²
    Save £-227.95
  • 100mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE) | Insulation Merchant 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)

    £ Looking for a price?

    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)

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

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

    £348.75 ex. GB VAT
    £12.45 per m²
    £348.75 ex. GB VAT
    £12.45 per m²
    £387.50 Save £38.75
  • 140mm STEICO Special Dry 600mm x 1880mm - per board | Insulation Merchant 140mm STEICO Special Dry 600mm x 1880mm - per board | Insulation Merchant
    Sale 9%
    Spring Savings
    SPECIAL DRY by Steico

    140mm STEICO Special Dry 600mm x 1880mm - per board

    £45.47 ex. GB VAT
    £42.61 per m²
    £45.47 ex. GB VAT
    £42.61 per m²
    £50.52 Save £5.05
  • 50mm Thermafleece Supasoft Roll (2 x 590mm rolls) | Insulation Merchant 50mm Thermafleece Supasoft Roll (2 x 590mm rolls) | Insulation Merchant
    SUPASOFT by Thermafleece

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

    £48.67 ex. GB VAT
    £4.12 per m²
    £48.67 ex. GB VAT
    £4.12 per m²
    Save £-48.67
  • 90mm Thermafleece UltraWool Slab (390mm wide) | Insulation Merchant 90mm Thermafleece UltraWool Slab (390mm wide) | Insulation Merchant

    5.0

    ULTRAWOOL by Thermafleece

    90mm Thermafleece UltraWool Slab (390mm wide)

    £183.83 ex. GB VAT
    £42.55 per m²
    £183.83 ex. GB VAT
    £42.55 per m²
    Save £-183.83
  • 50mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE) | Insulation Merchant 50mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE) | Insulation Merchant
    Alternative Now Available
    COSYWOOL SLAB by Thermafleece

    50mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE)

    £ Looking for a price?

    Add to a quote for our best rate.

  • STEICO Multi Tape P - 60mm x 40m | Insulation Merchant
    MULTI TAPE P by Steico

    STEICO Multi Tape P - 60mm x 40m

    £23.79 ex. GB VAT
    £0.59 per LM (linear metre)
    £23.79 ex. GB VAT
    £0.59 per LM (linear metre)
    Save £-23.79
  • IndiNature IndiBoard Semi-rigid Hemp Board - 1100 mm x 600mm | Insulation Merchant IndiNature IndiBoard Semi-rigid Hemp Board - 1100 mm x 600mm | Insulation Merchant
    INDIBOARD® by IndiNature®

    IndiNature IndiBoard Semi-rigid Hemp Board - 1100 mm x 600mm

    £ Looking for a price?

    Add to a quote for our best rate.

  • 120mm STEICO Protect M Dry - 1325mm x 600mm | Insulation Merchant
    Sale 10%
    Spring Savings
    PROTECT M DRY by Steico

    120mm STEICO Protect M Dry - 1325mm x 600mm

    £29.03 ex. GB VAT
    £38.86 per m²
    £29.03 ex. GB VAT
    £38.86 per m²
    £32.26 Save £3.23
  • 50mm Thermafleece Supasoft Roll (3 x 390mm rolls) | Insulation Merchant 50mm Thermafleece Supasoft Roll (3 x 390mm rolls) | Insulation Merchant
    SUPASOFT by Thermafleece

    50mm Thermafleece Supasoft Roll (3 x 390mm rolls)

    £48.67 ex. GB VAT
    £8.25 per m²
    £48.67 ex. GB VAT
    £8.25 per m²
    Save £-48.67
  • PAVATEX LDB 0.02 Permeable Membrane 50m x 1.5m | Insulation Merchant PAVATEX LDB 0.02 Permeable Membrane 50m x 1.5m | Insulation Merchant
    Sale 20%
    PAVATEX MEMBRANE by Pavatex

    PAVATEX LDB 0.02 Permeable Membrane 50m x 1.5m

    £140.75 ex. GB VAT
    £140.75 ex. GB VAT
    £177.42 Save £36.67
  • 100mm Thermafleece NatraHemp Slab (370mm wide) | Insulation Merchant 100mm Thermafleece NatraHemp Slab (370mm wide) | Insulation Merchant
    NATRAHEMP by Thermafleece

    100mm Thermafleece NatraHemp Slab (370mm wide)

    £ Looking for a price?

    Add to a quote for our best rate.

  • 100mm Thermafleece CosyWool Sheep Wool Slab (590mm wide) (OLD SIZE) | Insulation Merchant 100mm Thermafleece CosyWool Sheep Wool Slab (590mm wide) (OLD SIZE) | Insulation Merchant
    Alternative Now Available
    COSYWOOL SLAB by Thermafleece

    100mm Thermafleece CosyWool Sheep Wool Slab (590mm wide) (OLD SIZE)

    £ Looking for a price?

    Add to a quote for our best rate.

  • 75mm Thermafleece CosyWool Sheep Wool Slab (590mm wide) (OLD SIZE) | Insulation Merchant 75mm Thermafleece CosyWool Sheep Wool Slab (590mm wide) (OLD SIZE) | Insulation Merchant
    COSYWOOL SLAB by Thermafleece

    75mm Thermafleece CosyWool Sheep Wool Slab (590mm wide) (OLD SIZE)

    £ Looking for a price?

    Add to a quote for our best rate.

  • 50mm Thermafleece UltraWool Slab (590mm wide) | Insulation Merchant 50mm Thermafleece UltraWool Slab (590mm wide) | Insulation Merchant
    ULTRAWOOL by Thermafleece

    50mm Thermafleece UltraWool Slab (590mm wide)

    £171.85 ex. GB VAT
    £12.14 per m²
    £171.85 ex. GB VAT
    £12.14 per m²
    Save £-171.85
  • 100mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE) | Insulation Merchant 100mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE) | Insulation Merchant
    COSYWOOL SLAB - NEW by Thermafleece

    Thermafleece CosyWool Sheep Wool Slab (NEW SIZES)

    From £45.00 ex. GB VAT
    £14.47 per m²
    From £45.00 ex. GB VAT
    £14.47 per m²
    Save £-45.00
  • 140mm STEICO Protect M Dry - 1325mm x 600mm | Insulation Merchant
    Sale 9%
    Spring Savings
    PROTECT M DRY by Steico

    140mm STEICO Protect M Dry - 1325mm x 600mm

    £ Looking for a price?

    Add to a quote for our best rate.

  • 50mm Sisaltech SISALWOOL™ 50 Loftroll (3mx570mm) - per roll | Insulation Merchant 50mm Sisaltech SISALWOOL™ 50 Loftroll (3mx570mm) - per roll | Insulation Merchant
    SISALWOOL 50 by Sisaltech

    50mm Sisaltech SISALWOOL™ 50 Loftroll (3mx570mm) - per roll

    £ Looking for a price?

    Add to a quote for our best rate.