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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  • Pro Clima Roflex 30 - Airtight Pipe Grommet (Pack of 10) | Insulation Merchant
    Sale 11%
    ROFLEX by Pro Clima

    Pro Clima Roflex 30 - Airtight Pipe Grommet (Pack of 10)

    £31.45 per item
    £3.14 per ea
    £35.70 Save £4.25
    £31.45 per item
    £3.14 per ea
  • Pro Clima Kaflex Multi - Airtight Cable Grommet (Pack of 10) | Insulation Merchant
    Sale
    KAFLEX by Pro Clima

    Pro Clima Kaflex Multi - Airtight Cable Grommet (Pack of 10)

    £87.42 per item
    £8.74 per ea
    £88.50 Save £1.08
    £87.42 per item
    £8.74 per ea
  • pro clima | Insulation Merchant
    Sale 83%
    AEROSANA VISCONN FIBRE by Pro Clima

    Pro Clima Aerosanna Visconn Fibre-reinforced Spray/Paintable Airtight Sealant Membrane

    From £11.71 per item
    £72.40 Save £60.69
    From £11.71 per item
  • SIGA Wigluv® 100 External Adhesive Tape - (100mm x 25m) | Insulation Merchant
    WIGLUV® by SIGA

    SIGA Wigluv® 100 External Adhesive Tape - (100mm x 25m)

    £48.38 per item
    £1.93 per LM (linear metre)
    Save £-48.38
    £48.38 per item
    £1.93 per LM (linear metre)
  • SIGA Rissan® 100 VCL & Jointing Airtightness Tape - 100mm x 25m | Insulation Merchant
    RISSAN® by SIGA

    SIGA Rissan® 100 VCL & Jointing Airtightness Tape - 100mm x 25m

    £46.50 per item
    £1.86 per LM (linear metre)
    Save £-46.50
    £46.50 per item
    £1.86 per LM (linear metre)
  • Pro Clima Roflex Solido 100 - Airtight Pipe Grommet (Pack of 6) | Insulation Merchant
    ROFLEX SOLIDO by Pro Clima

    Pro Clima Roflex Solido 100 - Airtight Pipe Grommet (Pack of 6)

    £32.21 per item
    £5.36 per ea
    Save £-32.21
    £32.21 per item
    £5.36 per ea
  • Baumit MultiFine RK 70 Lime Plaster - 25kg | Insulation Merchant
    MULTIFINE by Baumit

    Baumit MultiFine RK 70 Lime Plaster - 25kg

    Looking for a price?

    Add to a quote for our best rate.

  • SOUDAL Soudabond Easy - 750ml Genius Gun | Insulation Merchant
    Sale 6%
    Summer
    BOARD ADHESIVE - DOT & DAB by SOUDAL

    SOUDAL Soudabond Easy - 750ml Genius Gun

    £7.96 per item
    £8.50 Save £0.54
    £7.96 per item
  • 100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant
    COSYWOOL by Thermafleece

    25mm Thermafleece CosyWool Sheep Wool (1 x 570mm roll)

    £32.34 per item
    £4.73 per m²
    £28.88 Save £-3.46
    £32.34 per item
    £4.73 per m²
  • MEDITE Smartply Airtight (OSB Panel + Vapour Control) [Formerly Propassiv] (2397 x 1197mm) - per board | Insulation Merchant
    SMARTPLY AIRTIGHT by Medite Smartply

    MEDITE Smartply Airtight (OSB Panel + Vapour Control) [Formerly Propassiv] (2397 x 1197mm) - per board

    £36.58 per item
    £12.79 per m²
    Save £-36.58
    £36.58 per item
    £12.79 per m²
  • 160mm STEICO Flex 036 - 575mm x 1190mm (2.053m² / 3 per pack) | Insulation Merchant
    Sale 10%
    FLEX by Steico

    160mm STEICO Flex 036 - 575mm x 1190mm (2.053m² / 3 per pack)

    £43.02 per item
    £20.95 per m²
    £47.80 Save £4.78
    £43.02 per item
    £20.95 per m²
  • Pro Clima Contega Fiden Exo (Expansion Joint Tape) - Joint 3-6mm - Roll 12mm x 8m | Insulation Merchant
    Sale 11%
    CONTEGA FIDEN EXO by Pro Clima

    Pro Clima Contega Fiden Exo (Expansion Joint Tape) - Joint 3-6mm - Roll 12mm x 8m

    £4.17 per item
    £4.70 Save £0.53
    £4.17 per item
  • 100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant
    COSYWOOL by Thermafleece

    25mm Thermafleece CosyWool Sheep Wool (1 x 370mm roll)

    £21.00 per item
    £4.73 per m²
    £18.75 Save £-2.25
    £21.00 per item
    £4.73 per m²
  • SIGA Corvum® 12/48 Pre-folded Corner Adhesive Tape (60mm x 25m) | Insulation Merchant
    CORVUM® by SIGA

    SIGA Corvum® 12/48 Pre-folded Corner Adhesive Tape (60mm x 25m)

    £41.04 per item
    £1.64 per LM (linear metre)
    Save £-41.04
    £41.04 per item
    £1.64 per LM (linear metre)
  • Pro Clima Solitex Plus Connect - Vapour Permeable Membrane + Pre-applied Tape (1.5m x 50m 75m²) | Insulation Merchant
    Sale

    5.0

    SOLITEX PLUS by Pro Clima

    Pro Clima Solitex Plus Connect - Vapour Permeable Membrane + Pre-applied Tape (1.5m x 50m 75m²)

    £281.92 per item
    £3.75 per m²
    £286.80 Save £4.88
    £281.92 per item
    £3.75 per m²
  • 100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant

    5.0

    COSYWOOL ROLL by Thermafleece

    Thermafleece CosyWool Sheep Wool Roll Insulation - 400 & 300mm

    £97.58 per item
    £12.51 per m²
    Save £-97.58
    £97.58 per item
    £12.51 per m²
  • SIGA Corvum® 30/30 - Pre-folded Corner Adhesive Tape (60mm x 25m) | Insulation Merchant
    CORVUM® by SIGA

    SIGA Corvum® 30/30 - Pre-folded Corner Adhesive Tape (60mm x 25m)

    £41.04 per item
    £1.64 per LM (linear metre)
    Save £-41.04
    £41.04 per item
    £1.64 per LM (linear metre)
  • 200mm STEICO Flex 036 - 575mm x 1190mm (1.369m² / 2 per pack) | Insulation Merchant
    Sale 10%
    FLEX by Steico

    200mm STEICO Flex 036 - 575mm x 1190mm (1.369m² / 2 per pack)

    £35.83 per item
    £26.17 per m²
    £39.82 Save £3.99
    £35.83 per item
    £26.17 per m²
  • ROTHOBLAAS Speedy Band Airtight Tape (without release liner)
    Internal Use
    External Use
    SPEEDY BAND by Rothoblaas

    ROTHOBLAAS Speedy Band Airtight Tape (without release liner)

    From £15.41 per item
    £0.61 per LM (linear metre)
    Save £-15.41
    From £15.41 per item
    £0.61 per LM (linear metre)
  • SIGA Majcoat® 350 Diffusion-open Breathable Roof Membrane | Insulation Merchant
    Bat Friendly
    MAJCOAT® by SIGA

    SIGA Majcoat® 350 Diffusion-open Breathable "Bat-Safe" Roof Membrane

    £457.88 per item
    £9.14 per m²
    Save £-457.88
    £457.88 per item
    £9.14 per m²