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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  • PAVATEX LDB 0.02 Permeable Membrane 50m x 1.5m PAVATEX LDB 0.02 Permeable Membrane 50m x 1.5m
    PAVATEX MEMBRANE by Pavatex

    PAV/LDB-5015

    PAVATEX LDB 0.02 Permeable Membrane 50m x 1.5m

    €172,95 EUR ex. GB VAT
    €172,95 EUR ex. GB VAT
    you save €-172,95
    €0,00 you save €-144,13
  • 100mm Thermafleece NatraHemp Slab (370mm wide) | Insulation Merchant 100mm Thermafleece NatraHemp Slab (370mm wide) | Insulation Merchant
    Autumn Offers
    NATRAHEMP by Thermafleece

    TF/NATHEM-100370

    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

    TF/COSYSL-100590

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

    TF/COSYSL-75590

    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
    Autumn Offers
    ULTRAWOOL by Thermafleece

    TF/ULTRA-50590

    50mm Thermafleece UltraWool Slab (590mm wide)

    €210,95 EUR ex. GB VAT
    €14,90 per m²
    €12,41 per m²
    €210,95 EUR ex. GB VAT
    €14,90 per m²
    you save €-210,95
    €12,41 per m²
    €0,00 you save €-175,79
  • 100mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE) | Insulation Merchant 100mm Thermafleece CosyWool Sheep Wool Slab (390mm wide) (OLD SIZE) | Insulation Merchant
    Autumn Offers
    COSYWOOL SLAB - NEW by Thermafleece

    TF/COSYSL37-50

    Thermafleece CosyWool Sheep Wool Slab (NEW SIZES)

    From €55,95 EUR ex. GB VAT
    €17,99 per m²
    €14,99 per m²
    From €55,95 EUR ex. GB VAT
    €17,99 per m²
    you save €-55,95
    €14,99 per m²
    €0,00 you save €-46,63
  • 140mm STEICO Protect M Dry - 1325mm x 600mm | Insulation Merchant
    PROTECT M DRY by Steico

    STE/PRDRYM-140

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

    € Looking for a price?

    Add to a quote for our best rate.

  • 140mm IndiNature IndiLoft Hemp Flexibatt Loft Insulation - 1200 x 370mm (1.78m²) | Insulation Merchant
    New
    Autumn Offers
    INDILOFT HEMP - 370 by IndiNature®

    IN/LB4437-140

    140mm IndiNature IndiLoft Hemp Flexibatt Loft Insulation - 1200 x 370mm (1.78m²)

    €30,95 EUR ex. GB VAT
    €17,39 per m²
    €14,49 per m²
    €30,95 EUR ex. GB VAT
    €17,39 per m²
    you save €-30,95
    €14,49 per m²
    €0,00 you save €-25,79
  • 50mm Sisaltech SISALWOOL™ 50 Loftroll (3mx570mm) - per roll | Insulation Merchant 50mm Sisaltech SISALWOOL™ 50 Loftroll (3mx570mm) - per roll | Insulation Merchant
    SISALWOOL 50 by Sisaltech

    ST/SWR-50

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

    € Looking for a price?

    Add to a quote for our best rate.

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

    ST/SW100

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

    PAV/PAVAFIX-150

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

    €70,95 EUR ex. GB VAT
    €70,95 EUR ex. GB VAT
    you save €-70,95
    €0,00 you save €-59,13
  • 22mm STEICO Universal Wet - 600mm x 2230mm (Pallet of 122) | Insulation Merchant 22mm STEICO Universal Wet - 600mm x 2230mm (Pallet of 122) | Insulation Merchant
    UNIVERSAL by Steico

    STE/UNI223-22/PL

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

    €1.520,95 EUR ex. GB VAT
    €9,32 per m²
    €7,76 per m²
    €1.520,95 EUR ex. GB VAT
    €9,32 per m²
    you save €-1.520,95
    €7,76 per m²
    €0,00 you save €-1.267,46
  • 80mm STEICO Therm (wet) - 600mm x 1350mm (Pallet of 28) 80mm STEICO Therm (wet) - 600mm x 1350mm (Pallet of 28)
    THERM WET by Steico

    STE/THERM-80/PL

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

    €500,95 EUR ex. GB VAT
    €618,46 per m²
    €515,38 per m²
    €500,95 EUR ex. GB VAT
    €618,46 per m²
    you save €-500,95
    €515,38 per m²
    €0,00 you save €-417,46
  • 100mm Thermafleece Supasoft Roll (3 x 390mm rolls) - 5.90m²| Insulation Merchant 100mm Thermafleece Supasoft Roll (3 x 390mm rolls) - 5.90m²| Insulation Merchant
    Autumn Offers
    SUPASOFT by Thermafleece

    TF/SS-100x390

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

    €59,95 EUR ex. GB VAT
    €10,16 per m²
    €8,47 per m²
    €59,95 EUR ex. GB VAT
    €10,16 per m²
    you save €-59,95
    €8,47 per m²
    €0,00 you save €-49,96
  • PAVATEX Pavafix 60 Acrylic Adhesive Tape - 25m x 60mm PAVATEX Pavafix 60 Acrylic Adhesive Tape - 25m x 60mm
    PAVAFIX by Pavatex

    PAV/PAVAFIX-60

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

    €23,95 EUR ex. GB VAT
    €23,95 EUR ex. GB VAT
    you save €-23,95
    €0,00 you save €-19,96
  • 100mm STEICO Protect M Dry - 1325mm x 600mm | Insulation Merchant
    PROTECT M DRY by Steico

    STE/PRDRYM-100

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

    €29,95 EUR ex. GB VAT
    €40,09 per m²
    €33,41 per m²
    €29,95 EUR ex. GB VAT
    €40,09 per m²
    you save €-29,95
    €33,41 per m²
    €0,00 you save €-24,96
  • 120mm STEICO Flex 036 - 375mm x 1190mm (4 per pack) | Insulation Merchant 120mm STEICO Flex 036 - 375mm x 1190mm (4 per pack) | Insulation Merchant
    Autumn Offers
    FLEX 036 by Steico

    STE/FLEX37-120

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

    €34,95 EUR ex. GB VAT
    €19,58 per m²
    €16,32 per m²
    €34,95 EUR ex. GB VAT
    €19,58 per m²
    you save €-34,95
    €16,32 per m²
    €0,00 you save €-29,13
  • 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

    TF/COSYSL-140390

    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
    Autumn Offers
    NATRAHEMP by Thermafleece

    TF/NATHEM-50570

    50mm Thermafleece NatraHemp Slab (570mm wide)

    €247,95 EUR ex. GB VAT
    €11,33 per m²
    €9,44 per m²
    €247,95 EUR ex. GB VAT
    €11,33 per m²
    you save €-247,95
    €9,44 per m²
    €0,00 you save €-206,63
  • 140mm IndiNature IndiLoft Hemp Flexibatt Loft Insulation - 1200 x 440mm (2.11m²) | Insulation Merchant
    New
    Autumn Offers
    INDILOFT HEMP - 440 by IndiNature®

    IN/LB4444-140

    140mm IndiNature IndiLoft Hemp Flexibatt Loft Insulation - 1200 x 440mm (2.11m²)

    €36,95 EUR ex. GB VAT
    €17,51 per m²
    €14,59 per m²
    €36,95 EUR ex. GB VAT
    €17,51 per m²
    you save €-36,95
    €14,59 per m²
    €0,00 you save €-30,79