Airtight & Windtight Membranes

Airtightness and Widtightness are important aspects to consider when building or renovating. Air leakage into and out of a property can be detrimental to the thermal performance of insulation. Creating an airtight seal in the property with an airtight & windtight membrane can prevent cold air from entering and hot air from escaping. 

We also have a range of airtight tapes and accessories to go along with the airtightness membranes.

View more in the Airtight range
Airtight & Windtight Membranes

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  • Pro Clima Intello Plus - Vapour Check Membrane | Insulation Merchant

    5.0

    INTELLO PLUS by Pro Clima

    1.5m Pro Clima Intello Plus - Vapour Check Membrane (50m)

    €264,95 EUR per item
    €3,53 per m²
    ex. GB VAT
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    €264,95 EUR per item
    €3,53 per m²
    ex. GB VAT
  • Pro Clima | Intello Plus | Insulation Merchant

    5.0

    INTELLO PLUS by Pro Clima

    1.5m Pro Clima Intello Plus (Small Handy Rolls) - Vapour Check Membrane (20m)

    €110,95 EUR per item
    €3,69 per m²
    ex. GB VAT
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    €110,95 EUR per item
    €3,69 per m²
    ex. GB VAT
  • Pro Clima Solitex Plus - Vapour Permeable Membrane (1.5m x 50m / 75m²) | Insulation Merchant

    5.0

    SOLITEX PLUS by Pro Clima

    Pro Clima Solitex Plus - Vapour Permeable Membrane (1.5m x 50m / 75m²)

    €261,95 EUR per item
    €3,49 per m²
    ex. GB VAT
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    €261,95 EUR per item
    €3,49 per m²
    ex. GB VAT
  • Pro Clima DA (Small Handy Roll) - Membrane (1.5m x 20m / 30m²) | Insulation Merchant

    5.0

    DA by Pro Clima

    Pro Clima DA (Small Handy Roll) - Membrane (1.5m x 20m / 30m²)

    €87,95 EUR per item
    €2,93 per m²
    ex. GB VAT
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    €87,95 EUR per item
    €2,93 per m²
    ex. GB VAT
  • Pro Clima Solitex Plus (Small Handy Roll) - Vapour Permeable Membrane (1.5m x 15m / 22.5m²) | Insulation Merchant

    5.0

    SOLITEX PLUS by Pro Clima

    Pro Clima Solitex Plus (Small Handy Roll) - Vapour Permeable Membrane (1.5m x 15m / 22.5m²)

    €95,95 EUR per item
    €4,26 per m²
    ex. GB VAT
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    €95,95 EUR per item
    €4,26 per m²
    ex. GB VAT
  • Pro Clima DA - Membrane (1.5m x 50m / 75m²) | Insulation Merchant

    5.0

    DA by Pro Clima

    Pro Clima DA - Membrane (1.5m x 50m / 75m²)

    €198,95 EUR per item
    €2,65 per m²
    ex. GB VAT
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    €198,95 EUR per item
    €2,65 per m²
    ex. GB VAT
  • Pro Clima Solitex Fronta WA - Wall Lining Membrane (1.5m x 50m) | Insulation Merchant
    SOLITEX FRONTA WA by Pro Clima

    Pro Clima Solitex Fronta WA - Wall Lining Membrane (1.5m x 50m)

    €167,95 EUR per item
    ex. GB VAT
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    €167,95 EUR per item
    ex. GB VAT
  • Protect BarriAir Vapour Control Layer with Integrated Tape - 1.5 x 50m | Insulation Merchant
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    BARRIAIR by Protect Membranes

    Protect BarriAir Vapour Control Layer with Integrated Tape - 1.5 x 50m

    €118,95 EUR per item
    €1,58 per m²
    ex. GB VAT
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    €118,95 EUR per item
    €1,58 per m²
    ex. GB VAT
  • Pro Clima Aerosanna Visconn Spray/Paintable Airtight Sealant Membrane
    AEROSANA VISCONN by Pro Clima

    Pro Clima Aerosanna Visconn Spray/Paintable Airtight Sealant Membrane

    From €10,95 EUR per item
    ex. GB VAT
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    From €10,95 EUR per item
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  • SIGA Majcoat® 200 SOB Diffusion Open Roof Breather Membrane - 1.5m x 50m | Insulation Merchant
    MAJCOAT® by SIGA

    SIGA Majcoat® 200 SOB Diffusion Open Roof Breather Membrane - 1.5m x 50m

    €313,95 EUR per item
    €4,18 per m²
    ex. GB VAT
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    €313,95 EUR per item
    €4,18 per m²
    ex. GB VAT
  • SIGA Majrex® 200 (1-directional) Airtight Humidity Vapour Control Layer - 1.5 x 50m (75m²) | Insulation Merchant
    MAJREX® by SIGA

    SIGA Majrex® 200 (1-directional) Airtight Humidity Vapour Control Layer - 1.5 x 50m (75m²)

    €375,95 EUR per item
    €5,01 per m²
    ex. GB VAT
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    €375,95 EUR per item
    €5,01 per m²
    ex. GB VAT
  • STEICOmulti UDB Membrane - 50m x 1.5m | Insulation Merchant
    MULTI UDB by Steico

    STEICO Multi UDB Membrane - 50m x 1.5m

    €250,95 EUR per item
    €3,34 per m²
    ex. GB VAT
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    €250,95 EUR per item
    €3,34 per m²
    ex. GB VAT
  • SIGA Majpell® 5 Vapour Control Layer - 1.5 x 50m (75m²) | Insulation Merchant
    MAJPELL® by SIGA

    SIGA Majpell® 5 Vapour Control Layer - 1.5 x 50m (75m²)

    €230,95 EUR per item
    €3,07 per m²
    ex. GB VAT
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    €230,95 EUR per item
    €3,07 per m²
    ex. GB VAT
  • Pro Clima Solitex Fronta Quattro - Open Facade Membrane (1.5m x 50m) | Insulation Merchant
    SOLITEX by Pro Clima

    Pro Clima Solitex Fronta Quattro - Open Facade Membrane (1.5m x 50m)

    €360,95 EUR per item
    €4,81 per m²
    ex. GB VAT
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    €360,95 EUR per item
    €4,81 per m²
    ex. GB VAT
  • STEICOmulti Membra 5 Vapour Control Layer - 50m x 1.5m | Insulation Merchant
    MULTI MEMBRA 5 by Steico

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

    €189,95 EUR per item
    €2,53 per m²
    ex. GB VAT
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    €189,95 EUR per item
    €2,53 per m²
    ex. GB VAT
  • SOUDAL Soudatight LQ Paint On Airtight Membrane (Black) - 4.5kg | Insulation Merchant
    Spring Savings
    SOUDATIGHT by SOUDAL

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

    €39,95 EUR per item
    €8,88 per kg
    ex. GB VAT
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    €39,95 EUR per item
    €8,88 per kg
    ex. GB VAT
  • SOUDAL Soudatight LQ Paint On Airtight Membrane (White) - 4.5kg | Insulation Merchant
    Spring Savings
    SOUDATIGHT by SOUDAL

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

    €33,95 EUR per item
    €7,54 per kg
    ex. GB VAT
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    €33,95 EUR per item
    €7,54 per kg
    ex. GB VAT
  • Pro Clima Dasatop - 1.5m x 50m (75m²) | Insulation Merchant
    DASATOP by Pro Clima

    Pro Clima Dasatop - 1.5m x 50m (75m²)

    €195,95 EUR per item
    €2,61 per m²
    ex. GB VAT
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    €195,95 EUR per item
    €2,61 per m²
    ex. GB VAT
  • SIGA Majvest® 700 SOB - Open Facade Membrane (1.5m x 33.4m) | Insulation Merchant
    MAJVEST® by SIGA

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

    €373,95 EUR per item
    €7,46 per m²
    ex. GB VAT
    Save €-373,95
    €373,95 EUR per item
    €7,46 per m²
    ex. GB VAT
  • 3m Pro Clima Intello Plus - Vapour Check Membrane (50m) | Insulation Merchant
    INTELLO PLUS by Pro Clima

    3m Pro Clima Intello Plus - Vapour Check Membrane (50m)

    €528,95 EUR per item
    €3,52 per m²
    ex. GB VAT
    Save €-528,95
    €528,95 EUR per item
    €3,52 per m²
    ex. GB VAT