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 Sisaltech SISALWOOL™ 100 (1200x570mm) - per slab | Insulation Merchant 100mm Sisaltech SISALWOOL™ 100 (1200x570mm) - per slab | Insulation Merchant
    SISALWOOL 100 by Sisaltech

    100mm Sisaltech SISALWOOL™ 100 (1200x570mm) - per slab

    £ Looking for a price?

    Add to a quote for our best rate.

  • PAVATEX Pavafix 150 Acrylic Adhesive Airtightness Tape - 25m x 150mm | Insulation Merchant PAVATEX Pavafix 150 Acrylic Adhesive Airtightness Tape - 25m x 150mm | Insulation Merchant
    PAVAFIX by Pavatex

    PAVATEX Pavafix 150 Acrylic Adhesive Airtightness Tape - 25m x 150mm

    £68.90 inc. VAT
    £57.42 ex. VAT
    £68.90 inc. VAT
    Save £-68.90
    £57.42 ex. VAT
    £0.00 Save £-57.42
  • 22mm STEICO Universal Wet - 600mm x 2230mm (Pallet of 122) | Insulation Merchant 22mm STEICO Universal Wet - 600mm x 2230mm (Pallet of 122) | Insulation Merchant
    Sale 10%
    Spring Savings
    UNIVERSAL by Steico

    22mm STEICO Universal Wet - 600mm x 2230mm (Pallet of 122)

    £ Looking for a price?

    Add to a quote for our best rate.

  • 80mm STEICO Therm (wet) - 600mm x 1350mm (Pallet of 28) | Insulation Merchant 80mm STEICO Therm (wet) - 600mm x 1350mm (Pallet of 28) | Insulation Merchant
    Sale 10%
    Spring Savings
    THERM WET by Steico

    80mm STEICO Therm (wet) - 600mm x 1350mm (Pallet of 28)

    £8.79 inc. VAT
    £10.85 per m²
    £7.33 ex. VAT
    £9.04 per m²
    £8.79 inc. VAT
    £10.85 per m²
    £9.77 Save £0.98
    £7.33 ex. VAT
    £9.04 per m²
    £8.14 Save £0.82
  • 100mm Thermafleece Supasoft Roll (3 x 390mm rolls) - 5.90m²| Insulation Merchant 100mm Thermafleece Supasoft Roll (3 x 390mm rolls) - 5.90m²| Insulation Merchant
    SUPASOFT by Thermafleece

    100mm Thermafleece Supasoft Roll (3 x 390mm rolls) - 5.90m²

    £58.40 inc. VAT
    £9.90 per m²
    £48.67 ex. VAT
    £8.25 per m²
    £58.40 inc. VAT
    £9.90 per m²
    Save £-58.40
    £48.67 ex. VAT
    £8.25 per m²
    £0.00 Save £-48.67
  • PAVATEX Pavafix 60 Acrylic Adhesive Tape - 25m x 60mm | Insulation Merchant PAVATEX Pavafix 60 Acrylic Adhesive Tape - 25m x 60mm | Insulation Merchant
    PAVAFIX by Pavatex

    PAVATEX Pavafix 60 Acrylic Adhesive Tape - 25m x 60mm

    £22.90 inc. VAT
    £19.08 ex. VAT
    £22.90 inc. VAT
    Save £-22.90
    £19.08 ex. VAT
    £0.00 Save £-19.08
  • 100mm STEICO Protect M Dry - 1325mm x 600mm | Insulation Merchant
    Sale 10%
    Spring Savings
    PROTECT M DRY by Steico

    100mm STEICO Protect M Dry - 1325mm x 600mm

    £28.95 inc. VAT
    £38.76 per m²
    £24.13 ex. VAT
    £32.30 per m²
    £28.95 inc. VAT
    £38.76 per m²
    £32.17 Save £3.22
    £24.13 ex. VAT
    £32.30 per m²
    £26.81 Save £2.68
  • 120mm STEICO Flex 036 - 375mm x 1190mm (4 per pack) | Insulation Merchant 120mm STEICO Flex 036 - 375mm x 1190mm (4 per pack) | Insulation Merchant
    Sale 10%
    Spring Savings
    FLEX by Steico

    120mm STEICO Flex 036 - 375mm x 1190mm (4 per pack)

    £34.45 inc. VAT
    £19.30 per m²
    £28.71 ex. VAT
    £16.08 per m²
    £34.45 inc. VAT
    £19.30 per m²
    £38.28 Save £3.83
    £28.71 ex. VAT
    £16.08 per m²
    £31.90 Save £3.19
  • 140mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE) | Insulation Merchant 140mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE) | Insulation Merchant
    Alternative Now Available
    COSYWOOL SLAB by Thermafleece

    140mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE)

    £ Looking for a price?

    Add to a quote for our best rate.

  • 50mm Thermafleece NatraHemp Slab (570mm wide) | Insulation Merchant 50mm Thermafleece NatraHemp Slab (570mm wide) | Insulation Merchant

    4.0

    NATRAHEMP by Thermafleece

    50mm Thermafleece NatraHemp Slab (570mm wide)

    £241.90 inc. VAT
    £11.05 per m²
    £201.58 ex. VAT
    £9.21 per m²
    £241.90 inc. VAT
    £11.05 per m²
    Save £-241.90
    £201.58 ex. VAT
    £9.21 per m²
    £0.00 Save £-201.58
  • 140mm PAVATEX Pavatherm Board - 108mm x 585mm Shiplap | Insulation Merchant
    Sale 20%
    PAVATHERM by Pavatex

    140mm PAVATEX Pavatherm Board - 108mm x 585mm Shiplap

    £26.90 inc. VAT
    £40.76 per m²
    £22.42 ex. VAT
    £33.96 per m²
    £26.90 inc. VAT
    £40.76 per m²
    £33.65 Save £6.75
    £22.42 ex. VAT
    £33.96 per m²
    £28.04 Save £5.63
  • 19mm PAVATEX Pavanatur (1100mm x 600mm) - Pallet of 120 | Insulation Merchant
    by Pavatex

    19mm PAVATEX Pavanatur (1100mm x 600mm) - Pallet of 120

    £445.90 inc. VAT
    £5.63 per m²
    £371.58 ex. VAT
    £4.69 per m²
    £445.90 inc. VAT
    £5.63 per m²
    Save £-445.90
    £371.58 ex. VAT
    £4.69 per m²
    £0.00 Save £-371.58
  • 19mm PAVATEX Pavanatur (1100mm x 600mm) - per board | Insulation Merchant
    by Pavatex

    19mm PAVATEX Pavanatur (1100mm x 600mm) - per board

    £4.65 inc. VAT
    £7.05 per m²
    £3.88 ex. VAT
    £5.87 per m²
    £4.65 inc. VAT
    £7.05 per m²
    Save £-4.65
    £3.88 ex. VAT
    £5.87 per m²
    £0.00 Save £-3.88
  • 60mm STEICO Therm (wet) - 600mm x 1350mm (Pallet of 38) | Insulation Merchant 60mm STEICO Therm (wet) - 600mm x 1350mm (Pallet of 38) | Insulation Merchant
    Sale 9%
    Spring Savings
    THERM WET by Steico

    60mm STEICO Therm (wet) - 600mm x 1350mm (Pallet of 38)

    £ Looking for a price?

    Add to a quote for our best rate.

  • 140mm STEICO Therm dry - 600mm x 1350mm - per board | Insulation Merchant
    Spring Savings
    THERM DRY by Steico

    140mm STEICO Therm dry - 600mm x 1350mm - per board

    £ Looking for a price?

    Add to a quote for our best rate.

  • 70mm Thermafleece UltraWool Slab (390mm wide) | Insulation Merchant 70mm Thermafleece UltraWool Slab (390mm wide) | Insulation Merchant
    ULTRAWOOL by Thermafleece

    70mm Thermafleece UltraWool Slab (390mm wide)

    £ Looking for a price?

    Add to a quote for our best rate.

  • 70mm Thermafleece NatraHemp Slab (570mm wide) | Insulation Merchant 70mm Thermafleece NatraHemp Slab (570mm wide) | Insulation Merchant
    NATRAHEMP by Thermafleece

    70mm Thermafleece NatraHemp Slab (570mm wide)

    £ Looking for a price?

    Add to a quote for our best rate.

  • 75mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE) | Insulation Merchant 75mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE) | Insulation Merchant
    Alternative Now Available
    COSYWOOL SLAB by Thermafleece

    75mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE)

    £ Looking for a price?

    Add to a quote for our best rate.

  • 50mm Thermafleece UltraWool Slab (390mm wide) | Insulation Merchant 50mm Thermafleece UltraWool Slab (390mm wide) | Insulation Merchant
    ULTRAWOOL by Thermafleece

    50mm Thermafleece UltraWool Slab (390mm wide)

    £204.49 inc. VAT
    £14.56 per m²
    £170.41 ex. VAT
    £12.14 per m²
    £204.49 inc. VAT
    £14.56 per m²
    Save £-204.49
    £170.41 ex. VAT
    £12.14 per m²
    £0.00 Save £-170.41
  • 40mm STEICO Flex 036 - 375mm x 1190mm (4.463m² / 10 per pack) | Insulation Merchant 40mm STEICO Flex 036 - 375mm x 1190mm (4.463m² / 10 per pack) | Insulation Merchant
    Sale 9%
    Spring Savings
    FLEX by Steico

    40mm STEICO Flex 036 - 375mm x 1190mm (4.463m² / 10 per pack)

    £28.88 inc. VAT
    £6.47 per m²
    £24.07 ex. VAT
    £5.39 per m²
    £28.88 inc. VAT
    £6.47 per m²
    £31.77 Save £2.89
    £24.07 ex. VAT
    £5.39 per m²
    £26.48 Save £2.41