Sustainable Building

Products designed for creating sustainable buildings.
Airtight and windtight systems | Insulation Merchant
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  • Pro Clima Aerosanna Visconn Spray/Paintable Airtight Sealant Membrane Pro Clima Aerosanna Visconn Spray/Paintable Airtight Sealant Membrane
    Sale 14%
    AEROSANA VISCONN by Pro Clima

    PC/AVB10L

    Pro Clima Aerosanna Visconn Spray/Paintable Airtight Sealant Membrane

    From £10.40 inc. VAT
    From £8.67 ex. VAT
    From £10.40 inc. VAT
    £12.12 you save £1.72
    From £8.67 ex. VAT
    £10.10 you save £1.43
  • 120mm STEICO Flex 036 - 575mm x 1190mm (2.73m² / 4 per pack) | Insulation Merchant 120mm STEICO Flex 036 - 575mm x 1190mm (2.73m² / 4 per pack) | Insulation Merchant
    Sale 10%
    Autumn Offers
    FLEX 036 by Steico

    STE/FLEX57-120

    120mm STEICO Flex 036 - 575mm x 1190mm (2.73m² / 4 per pack)

    £ Looking for a price?

    Add to a quote for our best rate.

  • 140mm STEICO Flex 036 - 375mm x 1190mm (1.785m² / 4 per pack) | Insulation Merchant 140mm STEICO Flex 036 - 375mm x 1190mm (1.785m² / 4 per pack) | Insulation Merchant
    Sale 10%
    Autumn Offers
    FLEX 036 by Steico

    STE/FLEX37-140

    140mm STEICO Flex 036 - 375mm x 1190mm (1.785m² / 4 per pack)

    £40.79 inc. VAT
    £22.85 per m²
    £33.99 ex. VAT
    £19.04 per m²
    £40.79 inc. VAT
    £22.85 per m²
    £45.52 you save £4.73
    £33.99 ex. VAT
    £19.04 per m²
    £37.93 you save £3.94
  • 140mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 440mm (2.11m²) | Insulation Merchant 140mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 440mm (2.11m²) | Insulation Merchant
    Autumn Offers
    INDITHERM HEMP - 440 by IndiNature®

    IN/TH4044-140

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

    £46.45 inc. VAT
    £22.01 per m²
    £38.71 ex. VAT
    £18.35 per m²
    £46.45 inc. VAT
    £22.01 per m²
    you save £-46.45
    £38.71 ex. VAT
    £18.35 per m²
    £0.00 you save £-38.71
  • STEICOmulti Membra 5 Vapour Control Layer - 50m x 1.5m
    MULTI MEMBRA 5 by Steico

    STE/MM5-5015

    STEICOmulti Membra 5 Vapour Control Layer - 50m x 1.5m

    £176.30 inc. VAT
    £2.35 per m²
    £146.92 ex. VAT
    £1.96 per m²
    £176.30 inc. VAT
    £2.35 per m²
    you save £-176.30
    £146.92 ex. VAT
    £1.96 per m²
    £0.00 you save £-146.92
  • SIGA Fentrim® grommet (Black) - External Airtight Cable & Pipe Sealing SIGA Fentrim® grommet (Black) - External Airtight Cable & Pipe Sealing
    FENTRIM® GROMMET by SIGA

    SIG/FGB-812

    SIGA Fentrim® grommet (Black) - External Airtight Cable & Pipe Sealing

    From £4.20 inc. VAT
    From £3.50 ex. VAT
    From £4.20 inc. VAT
    you save £-4.20
    From £3.50 ex. VAT
    £0.00 you save £-3.50
  • 140mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (2.74m²) | Insulation Merchant 140mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (2.74m²) | Insulation Merchant
    Autumn Offers
    INDITHERM HEMP - 570 by IndiNature®

    IN/TH4057-140

    140mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (2.74m²)

    £60.18 inc. VAT
    £21.96 per m²
    £50.15 ex. VAT
    £18.30 per m²
    £60.18 inc. VAT
    £21.96 per m²
    you save £-60.18
    £50.15 ex. VAT
    £18.30 per m²
    £0.00 you save £-50.15
  • DuPont™ AirGuard® Tape - 25m x 60mm
    AIRGUARD® by DuPont - Performance Building Solutions

    TY/AGTAPE-60

    DuPont™ AirGuard® Tape - 25m x 60mm

    £23.35 inc. VAT
    £0.93 per LM (linear metre)
    £19.46 ex. VAT
    £0.78 per LM (linear metre)
    £23.35 inc. VAT
    £0.93 per LM (linear metre)
    you save £-23.35
    £19.46 ex. VAT
    £0.78 per LM (linear metre)
    £0.00 you save £-19.46
  • 60mm SIGA Wigluv® Black 60 External Adhesive Tape - (40m x 60mm) | Insulation Merchant 60mm SIGA Wigluv® Black 60 External Adhesive Tape - (40m x 60mm) | Insulation Merchant
    WIGLUV® BLACK 60 by SIGA

    SIG/WLB60

    60mm SIGA Wigluv® Black 60 External Adhesive Tape - (40m x 60mm)

    From £64.75 inc. VAT
    £1.61 per LM (linear metre)
    From £53.96 ex. VAT
    £1.35 per LM (linear metre)
    From £64.75 inc. VAT
    £1.61 per LM (linear metre)
    you save £-64.75
    From £53.96 ex. VAT
    £1.35 per LM (linear metre)
    £0.00 you save £-53.96
  • SIGA Wigluv® 100 External Adhesive Tape - (100mm x 25m) SIGA Wigluv® 100 External Adhesive Tape - (100mm x 25m)
    WIGLUV® 100 by SIGA

    SIG/WL100

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

    £56.15 inc. VAT
    £2.24 per LM (linear metre)
    £46.79 ex. VAT
    £1.87 per LM (linear metre)
    £56.15 inc. VAT
    £2.24 per LM (linear metre)
    you save £-56.15
    £46.79 ex. VAT
    £1.87 per LM (linear metre)
    £0.00 you save £-46.79
  • SIGA Fentrim® IS 20 (Pre-folded Internal Corner Tape) - All sizes SIGA Fentrim® IS 20 (Pre-folded Internal Corner Tape) - All sizes
    Internal Use
    FENTRIM® IS 20 by SIGA

    SIG/FIS2075

    SIGA Fentrim® IS 20 (Pre-folded Internal Corner Tape) - All sizes

    From £52.30 inc. VAT
    £2.09 per LM (linear metre)
    From £43.58 ex. VAT
    £1.74 per LM (linear metre)
    From £52.30 inc. VAT
    £2.09 per LM (linear metre)
    you save £-52.30
    From £43.58 ex. VAT
    £1.74 per LM (linear metre)
    £0.00 you save £-43.58
  • SIGA Majvest® 700 SOB - Open Facade Membrane (1.5m x 33.4m) SIGA Majvest® 700 SOB - Open Facade Membrane (1.5m x 33.4m)
    MAJVEST® 700 SOB by SIGA

    SIG/MV700S

    SIGA Majvest® 700 SOB - Open Facade Membrane (1.5m x 33.4m)

    £327.15 inc. VAT
    £6.53 per m²
    £272.63 ex. VAT
    £5.44 per m²
    £327.15 inc. VAT
    £6.53 per m²
    you save £-327.15
    £272.63 ex. VAT
    £5.44 per m²
    £0.00 you save £-272.63
  • SIGA Rissan® 100 VCL & Jointing Airtightness Tape - 100mm x 25m SIGA Rissan® 100 VCL & Jointing Airtightness Tape - 100mm x 25m
    RISSAN® 100 by SIGA

    SIG/R100

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

    £53.95 inc. VAT
    £2.15 per LM (linear metre)
    £44.96 ex. VAT
    £1.80 per LM (linear metre)
    £53.95 inc. VAT
    £2.15 per LM (linear metre)
    you save £-53.95
    £44.96 ex. VAT
    £1.80 per LM (linear metre)
    £0.00 you save £-44.96
  • 80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 370mm (3.11m² / 7 per pack) 80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 370mm (3.11m² / 7 per pack)
    Autumn Offers
    Discontinued - Alternative Available.
    INDITHERM HEMP - 370 by IndiNature®

    IN/TH4037-80

    80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 370mm (3.11m² / 7 per pack)

    £ Looking for a price?

    Add to a quote for our best rate.

  • SOUDAL Soudatight LQ Paint On Airtight Membrane (Black) - 4.5kg
    Sale 5%
    Autumn Offers
    SOUDATIGHT by SOUDAL

    SOU/STLQB-45

    SOUDAL Soudatight LQ Paint On Airtight Membrane (Black) - 4.5kg

    £38.56 inc. VAT
    £8.57 per kg
    £32.13 ex. VAT
    £7.14 per kg
    £38.56 inc. VAT
    £8.57 per kg
    £40.60 you save £2.04
    £32.13 ex. VAT
    £7.14 per kg
    £33.83 you save £1.70
  • SIGA Fentrim® grommet (White) - Internal Airtight Cable & Pipe Sealing SIGA Fentrim® grommet (White) - Internal Airtight Cable & Pipe Sealing
    FENTRIM® GROMMET by SIGA

    SIG/FGW-812

    SIGA Fentrim® grommet (White) - Internal Airtight Cable & Pipe Sealing

    From £4.20 inc. VAT
    From £3.50 ex. VAT
    From £4.20 inc. VAT
    you save £-4.20
    From £3.50 ex. VAT
    £0.00 you save £-3.50
  • SIGA Majvest® 200 - Breather Membrane (Particularly for Closed Facade) SIGA Majvest® 200 - Breather Membrane (Particularly for Closed Facade)
    MAJVEST® 200 by SIGA

    SIG/MV200-15

    SIGA Majvest® 200 - Breather Membrane (Particularly for Closed Facade)

    £195.45 inc. VAT
    £2.60 per m²
    £162.88 ex. VAT
    £2.17 per m²
    £195.45 inc. VAT
    £2.60 per m²
    you save £-195.45
    £162.88 ex. VAT
    £2.17 per m²
    £0.00 you save £-162.88
  • 80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (3.42m² / 5 per pack) 80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (3.42m² / 5 per pack)
    Autumn Offers
    INDITHERM HEMP - 570 by IndiNature®

    IN/TH4057-80N

    80mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 570mm (3.42m² / 5 per pack)

    £42.98 inc. VAT
    £12.57 per m²
    £35.82 ex. VAT
    £10.47 per m²
    £42.98 inc. VAT
    £12.57 per m²
    you save £-42.98
    £35.82 ex. VAT
    £10.47 per m²
    £0.00 you save £-35.82
  • IndiNature IndiLoft Hemp Flexibatt Loft Insulation | Insulation Merchant
    New
    Autumn Offers
    INDILOFT HEMP - 370 by IndiNature®

    IN/LB4437-100

    100mm IndiNature IndiLoft Hemp Flexibatt Loft Insulation - 1200 x 370mm (1.78m²)

    £21.31 inc. VAT
    £11.97 per m²
    £17.76 ex. VAT
    £9.98 per m²
    £21.31 inc. VAT
    £11.97 per m²
    you save £-21.31
    £17.76 ex. VAT
    £9.98 per m²
    £0.00 you save £-17.76
  • 50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 440mm (4.22m²) | Insulation Merchant50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 440mm (4.22m²) | Insulation Merchant 50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 440mm (4.22m²) | Insulation Merchant
    Autumn Offers
    INDITHERM HEMP - 440 by IndiNature®

    IN/TH4044-50

    50mm IndiNature IndiTherm Hemp Flexibatt Insulation - 1200 x 440mm (4.22m²)

    £33.18 inc. VAT
    £7.86 per m²
    £27.65 ex. VAT
    £6.55 per m²
    £33.18 inc. VAT
    £7.86 per m²
    you save £-33.18
    £27.65 ex. VAT
    £6.55 per m²
    £0.00 you save £-27.65