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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  • 100mm Sisaltech SISALWOOL™ 100 (1200x570mm) - Pack of 6 (4.104m²) | Insulation Merchant
    Sale
    SISALWOOL 50 by Sisalwool

    Sisaltech SISALWOOL™ 50

    From £62.64 per item
    £13.05 per m²
    £64.19 Save £1.55
    From £62.64 per item
    £13.05 per m²
  • HOLZ Technic Clima Adapt 80 Variable Airtight Vapour Control Membrane
    Sale 20%
    Summer
    CLIMA ADAPT by Holz Technic

    HOLZ Technic Clima Adapt 80 Variable Airtight Vapour Control Membrane

    £96.12 per item
    £1.28 per m²
    £120.15 Save £24.03
    £96.12 per item
    £1.28 per m²
  • Pro Clima Extoseal Encors - 300mm x 20m | Insulation Merchant
    Sale
    EXTOSEAL by Pro Clima

    Pro Clima Extoseal Encors - 300mm x 20m

    £230.75 per item
    £11.53 per LM (linear metre)
    £237.00 Save £6.25
    £230.75 per item
    £11.53 per LM (linear metre)
  • Pro Clima Roflex 250 - Airtight Pipe Grommet (Pack of 2) | Insulation Merchant
    Sale 7%
    ROFLEX by Pro Clima

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

    £28.50 per item
    £14.25 per ea
    £30.80 Save £2.30
    £28.50 per item
    £14.25 per ea
  • 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
    £63.79 Save £1.54
    From £62.25 per item
    £23.94 per m²
  • 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 Stoppa - 20mm (20 per pack) | Insulation Merchant
    STOPPA by Pro Clima

    Pro Clima Stoppa - 20mm (20 per pack)

    £17.46 per item
    £0.87 per ea
    £17.30 Save £-0.16
    £17.46 per item
    £0.87 per ea
  • 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)
    Save £-18.25
    £18.25 per item
    £1.21 per LM (linear metre)
  • 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)
    Save £-57.79
    From £57.79 per item
    £2.31 per LM (linear metre)
  • 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)
    Save £-0.83
    From £0.83 per item
    £0.13 per LM (linear metre)
  • 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
    Save £-729.08
    £729.08 per item
    £9.72 per m²
  • 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.

  • 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)

    £28.71 per item
    £16.08 per m²
    £31.90 Save £3.19
    £28.71 per item
    £16.08 per m²
  • SECIL Natural Hydraulic Lime NHL 5 - 25kg | Insulation Merchant
    NHL by SECIL

    SECIL Natural Hydraulic Lime NHL 5 - 25kg

    £17.42 per item
    Save £-17.42
    £17.42 per item
  • Pro Clima Contega Fiden Exo (Expansion Joint Tape) - Joint 10-18mm - Roll 20mm x 2.6m | Insulation Merchant
    Sale 12%
    CONTEGA FIDEN EXO by Pro Clima

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

    £6.40 per item
    £7.30 Save £0.90
    £6.40 per item
  • Pro Clima Contega Solido EXO100 (External Single-sIded Corner Adhesive Tape) - 30m x 100mm | Insulation Merchant
    CONTEGA SOLIDO EXO by Pro Clima

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

    £100.86 per item
    Save £-100.86
    £100.86 per item
  • Pro Clima Contega Solido EXO-D100 (External Double-sIded Corner Adhesive Tape) - 30m x 100mm | Insulation Merchant
    Sale 5%
    CONTEGA SOLIDO EXO-D by Pro Clima

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

    £64.58 per item
    £2.15 per LM (linear metre)
    £68.00 Save £3.42
    £64.58 per item
    £2.15 per LM (linear metre)
  • Pro Clima Contega Solido EXO-D80 (External Double-sIded Corner Adhesive Tape) - 30m x 80mm | Insulation Merchant
    Sale 5%
    CONTEGA SOLIDO EXO-D by Pro Clima

    Pro Clima Contega Solido EXO-D80 (External Double-sided Corner Adhesive Tape) - 30m x 80mm

    £53.96 per item
    £1.79 per LM (linear metre)
    £56.80 Save £2.84
    £53.96 per item
    £1.79 per LM (linear metre)
  • SOUDAL PU Joint Backer Rod - 15mm | Insulation Merchant
    PU BACKER ROD by SOUDAL

    SOUDAL PU Joint Backer Rod - 15mm

    £0.26 per item
    Save £-0.26
    £0.26 per item
  • SOUDAL Trade Expanding Foam - 750ml Hand Held | Insulation Merchant
    TRADE RANGE by SOUDAL

    SOUDAL Trade Expanding Foam - 750ml Hand Held

    £6.63 per item
    £0.00 per ml
    Save £-6.63
    £6.63 per item
    £0.00 per ml