Sustainable Building

Products designed for creating sustainable buildings.

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Natural Insulation

Natural Insulation

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

Wood Wool Boards

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Airtight & Windtight Systems

Airtight & Windtight Systems

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ADAPTAVATE breathAplasta Universal (Natural Breathable Plaster) - 20Kg bag | Insulation Merchant

Lime Plasters

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Summer Specials

View our summer deals and promotions across our range of products.
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  • SIGA Wigluv® black 20/40 Split External Adhesive Tape (60mm x 25m) | Insulation Merchant
    WIGLUV® by SIGA

    SIGA Wigluv® black 20/40 Split External Adhesive Tape (60mm x 25m)

    £50.38 per item
    £2.01 per LM (linear metre)
    ex. GB VAT
    Save £-50.38
    £50.38 per item
    £2.01 per LM (linear metre)
    ex. GB VAT
  • SIGA Trestard® 420 black FR (Fire Rated Tape) - All Sizes | Insulation Merchant
    Fire Rated
    TRESTARD® by SIGA

    SIGA Trestard® 420 black FR (Fire Rated Tape) - All Sizes

    From £115.29 per item
    £4.61 per LM (linear metre)
    ex. GB VAT
    Save £-115.29
    From £115.29 per item
    £4.61 per LM (linear metre)
    ex. GB VAT
  • 80mm STEICO Flex 036 - 375mm x 1190mm (2.678m² / 6 per pack) | Insulation Merchant
    Sale 62%
    FLEX by Steico

    80mm STEICO Flex 036 - 375mm x 1190mm (2.678m² / 6 per pack)

    Looking for a price?

    Add to a quote for our best rate.

  • HOLZ Technic Clima Adapt 80 Variable Airtight Vapour Control Membrane
    Summer
    CLIMA ADAPT by Holz Technic

    HOLZ Technic Clima Adapt 80 Variable Airtight Vapour Control Membrane

    £145.75 per item
    £1.94 per m²
    ex. GB VAT
    £120.15 Save £-25.60
    £145.75 per item
    £1.94 per m²
    ex. GB VAT
  • Pro Clima Extoseal Encors - 300mm x 20m | Insulation Merchant
    EXTOSEAL by Pro Clima

    Pro Clima Extoseal Encors - 300mm x 20m

    £252.58 per item
    £12.62 per LM (linear metre)
    ex. GB VAT
    Save £-252.58
    £252.58 per item
    £12.62 per LM (linear metre)
    ex. GB VAT
  • Pro Clima Roflex 250 - Airtight Pipe Grommet (Pack of 2) | Insulation Merchant
    ROFLEX by Pro Clima

    Pro Clima Roflex 250 - Airtight Pipe Grommet (Pack of 2)

    £29.61 per item
    £14.80 per ea
    ex. GB VAT
    £0.00 Save £-29.61
    £29.61 per item
    £14.80 per ea
    ex. GB VAT
  • SIGA Farmer Waterproof High Performance Multi-purpose Tape - 60mm x 15m | Insulation Merchant
    FARMER by SIGA

    SIGA Farmer Waterproof High Performance Multi-purpose Tape - 60mm x 15m

    £18.25 per item
    £1.21 per LM (linear metre)
    ex. GB VAT
    Save £-18.25
    £18.25 per item
    £1.21 per LM (linear metre)
    ex. GB VAT
  • 100mm Sisaltech SISALWOOL™ 100 (1200x570mm) - Pack of 6 (4.104m²) | Insulation Merchant
    Sale
    SISALWOOL 100 by Sisalwool

    Sisaltech SISALWOOL™ 100

    From £62.25 per item
    £23.94 per m²
    ex. GB VAT
    £63.79 Save £1.54
    From £62.25 per item
    £23.94 per m²
    ex. GB VAT
  • 120mm STEICO Flex 036 - 375mm x 1190mm (4 per pack) | Insulation Merchant
    Sale 10%
    FLEX by Steico

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

    Looking for a price?

    Add to a quote for our best rate.

  • SECIL Natural Hydraulic Lime NHL 5 - 25kg | Insulation Merchant
    NHL by SECIL

    SECIL Natural Hydraulic Lime NHL 5 - 25kg

    £17.42 per item
    ex. GB VAT
    Save £-17.42
    £17.42 per item
    ex. GB VAT
  • Baumit MultiContact MC 55 W - 25kg
    MULTIFINE by Baumit

    Baumit MultiContact MC 55 W - 25kg

    Looking for a price?

    Add to a quote for our best rate.

  • Pro Clima Contega Fiden Exo (Expansion Joint Tape) - Joint 10-18mm - Roll 20mm x 2.6m | Insulation Merchant
    CONTEGA by Pro Clima

    Pro Clima Contega Fiden Exo (Expansion Joint Tape) - Joint 8-15mm - Roll 20mm x 3.3m

    £7.48 per item
    ex. GB VAT
    Save £-7.48
    £7.48 per item
    ex. GB VAT
  • Pro Clima Stoppa - 20mm (20 per pack) | Insulation Merchant
    STOPPA by Pro Clima

    Pro Clima Stoppa - 20mm (20 per pack)

    £16.50 per item
    £0.82 per ea
    ex. GB VAT
    Save £-16.50
    £16.50 per item
    £0.82 per ea
    ex. GB VAT
  • Pro Clima Contega Solido EXO-D100 (External Double-sIded Corner Adhesive Tape) - 30m x 100mm | Insulation Merchant
    CONTEGA by Pro Clima

    Pro Clima Contega Solido EXO-D100 (External Double-sided Corner Adhesive Tape) - 30m x 100mm

    £72.43 per item
    £2.41 per LM (linear metre)
    ex. GB VAT
    Save £-72.43
    £72.43 per item
    £2.41 per LM (linear metre)
    ex. GB VAT
  • SOUDAL Soudafoam Window & Door SWS - 750ml Gun Grade | Insulation Merchant
    Sale 6%
    Summer
    by SOUDAL

    SOUDAL Soudafoam Window & Door SWS - 750ml Gun Grade

    £8.53 per item
    ex. GB VAT
    £9.13 Save £0.60
    £8.53 per item
    ex. GB VAT
  • SIGA | Insulation Merchant
    External Use
    FENTRIM® by SIGA

    SIGA Fentrim® 2 (Pre-folded External Corner Tape) - All sizes

    From £57.79 per item
    £2.31 per LM (linear metre)
    ex. GB VAT
    Save £-57.79
    From £57.79 per item
    £2.31 per LM (linear metre)
    ex. GB VAT
  • ISO-Chemie Iso-Bloco 600 Expanding Foam Joint Tape (9-20mm expansion) | Insulation Merchant
    ISO-BLOCO 600 by ISO-Chemie

    ISO-Chemie Iso-Bloco 600 Expanding Foam Joint Tape (9-20mm expansion)

    From £0.83 per item
    £0.13 per LM (linear metre)
    ex. GB VAT
    Save £-0.83
    From £0.83 per item
    £0.13 per LM (linear metre)
    ex. GB VAT
  • PROCTOR Wraptite® Self-adhesive Vapour Permeable Airtight Membrane - 1.5 x 50m | Insulation Merchant
    WRAPTITE® by A. Proctor Group

    PROCTOR Wraptite® Self-adhesive Vapour Permeable Airtight Membrane - 1.5 x 50m

    £729.08 per item
    £9.72 per m²
    ex. GB VAT
    Save £-729.08
    £729.08 per item
    £9.72 per m²
    ex. GB VAT
  • Pro Clima Contega Solido EXO100 (External Single-sIded Corner Adhesive Tape) - 30m x 100mm | Insulation Merchant
    CONTEGA by Pro Clima

    Pro Clima Contega Solido EXO200 (External Single-sided Corner Adhesive Tape) - 30m x 200mm

    £108.89 per item
    ex. GB VAT
    Save £-108.89
    £108.89 per item
    ex. GB VAT
  • SOUDAL PU Joint Backer Rod - 15mm | Insulation Merchant
    PU BACKER ROD by SOUDAL

    SOUDAL PU Joint Backer Rod - 15mm

    £0.26 per item
    ex. GB VAT
    Save £-0.26
    £0.26 per item
    ex. GB VAT