Membranes

Find the perfect membrane for your project. We stock airtight and windtight breather membranes, vapour control layers, and specialist membranes for pitched roofs, flat roofs, and more. Top brands like Pro Clima and Protect available. Shop online with Insulation Merchant!

Protect TF200 Thermo Insulating Timber Frame Breather Membrane | Insulation Merchant

Shop by category in Membranes

Airtight & Windtight Membranes

Airtight & Windtight Membranes

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Breather Membranes for use externally

Breather Membranes for use externally

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Vapour Control Layer (VCL) for use internally

Vapour Control Layer (VCL) for use internally

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

Roofing Underlay Membranes

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Protect TF200 Thermo Insulating Timber Frame Breather Membrane | Insulation Merchant

Timber Frame Membranes

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TIMCO Toughsheet Damp Proof Membrane (DPM) Handy Pack - 4m x 5m (250 microns) | Insulation Merchant

DPM (Damp Proof Membrane) Polythene Membranes

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Summer Specials

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  • Pro Clima Solitex Fronta WA - Wall Lining Membrane (3m x 50m) | Insulation Merchant
    SOLITEX FRONTA WA by Pro Clima

    Pro Clima Solitex Fronta WA - Wall Lining Membrane (3m x 50m)

    £339.90 per item
    inc. VAT
    £283.25 per item
    ex. VAT
    Save £-339.90
    £339.90 per item
    inc. VAT
    £0.00 Save £-283.25
    £283.25 per item
    ex. VAT
  • PROCTOR Air® Breathable Roof Membrane | Insulation Merchant
    AIR® by A. Proctor Group

    PROCTOR Air® Breathable Roof Membrane

    From £167.90 per item
    £3.35 per m²
    inc. VAT
    From £139.92 per item
    £2.80 per m²
    ex. VAT
    Save £-167.90
    From £167.90 per item
    £3.35 per m²
    inc. VAT
    £0.00 Save £-139.92
    From £139.92 per item
    £2.80 per m²
    ex. VAT
  • Pro Clima Solitex Fronta Humida - Wall Lining Membrane (1.5m x 50m) | Insulation Merchant
    SOLITEX FRONTA HUMIDA by Pro Clima

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

    £268.90 per item
    £3.58 per m²
    inc. VAT
    £224.08 per item
    £2.99 per m²
    ex. VAT
    Save £-268.90
    £268.90 per item
    £3.58 per m²
    inc. VAT
    £0.00 Save £-224.08
    £224.08 per item
    £2.99 per m²
    ex. VAT
  • Kingspan Nilvent Breather Membrane - 1.5m x 50m | Insulation Merchant
    by Kingspan

    Kingspan Nilvent Breather Membrane - 1.5m x 50m

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  • OBEX CORTEX (0221FR) Fire Rated Breather Membrane - 1.2 x 50m | Insulation Merchant
    CORTEX FR by OBEX

    OBEX CORTEX (0221FR) Fire Rated Breather Membrane - 1.2 x 50m

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  • DuPont™ AirGuard® FR System Tape - 25m x 75mm | Insulation Merchant
    AIRGUARD® by DuPont - Performance Building Solutions

    DuPont™ AirGuard® FR System Tape - 25m x 75mm

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    Add to a quote for our best rate.

  • MDM Ventia Base Breathable Membrane - 50m x 1m | Insulation Merchant
    BREATHER MEMBRANE by MDM

    MDM Ventia Base Breathable Membrane - 50m x 1m

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  • WREKIN MultiTrack 1000 (8KN) Geotextile Membrane - 4.5m x 100m | Insulation Merchant
    MULTITRACK by Wrekin

    WREKIN MultiTrack 1000 (8KN) Geotextile Membrane - 4.5m x 1m (per meter)

    £6.95 per item
    £6.95 per LM (linear metre)
    inc. VAT
    £5.79 per item
    £5.79 per LM (linear metre)
    ex. VAT
    Save £-6.95
    £6.95 per item
    £6.95 per LM (linear metre)
    inc. VAT
    £0.00 Save £-5.79
    £5.79 per item
    £5.79 per LM (linear metre)
    ex. VAT
  • DuPont™ AirGuard® Control - Vapour Control Layer - 1.5 x 50m | Insulation Merchant
    AIRGUARD® by DuPont - Performance Building Solutions

    DuPont™ AirGuard® Control - Vapour Control Layer - 1.5 x 50m

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    Add to a quote for our best rate.

  • OBEX CORTEX (0223FR) Class A2/W1 Breather Membrane 35 x 1.2m
    CORTEX FR by OBEX

    OBEX CORTEX (0223FR) Class A2/W1 Breather Membrane 35 x 1.2m

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  • OBEX Cortex (0823FR) UV Facade Tape - 75mm x 25m
    CORTEX FR by OBEX

    OBEX Cortex (0823FR) UV Facade Tape - 75mm x 25m

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  • DuPont™ Tyvek® Supro - Breather Roof Membrane - 50m x 1.5m (75m²) | Insulation Merchant
    TYVEK® by DuPont - Performance Building Solutions

    DuPont™ Tyvek® Supro - Breather Roof Membrane - 50m x 1.5m (75m²)

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  • Protect Wunderlay - Impermeable Roofing Underlay Felt 1m x 45m | Insulation Merchant
    WUNDERLAY by Protect Membranes

    Protect Wunderlay - Impermeable Roofing Underlay Felt 1m x 45m

    £36.50 per item
    £0.81 per m²
    inc. VAT
    £30.42 per item
    £0.68 per m²
    ex. VAT
    Save £-36.50
    £36.50 per item
    £0.81 per m²
    inc. VAT
    £0.00 Save £-30.42
    £30.42 per item
    £0.68 per m²
    ex. VAT
  • DuPont™ Single Sided Acrylic Tape - 25m x 75mm | Insulation Merchant
    AIRGUARD® by DuPont - Performance Building Solutions

    DuPont™ Single Sided Acrylic Tape - 25m x 75mm

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  • SIGA Majcoat® 150 SOB Breather Membrane - 1.5m x 50m | Insulation Merchant
    MAJCOAT® by SIGA

    SIGA Majcoat® 150 SOB Breather Membrane - 1.5m x 50m

    £296.90 per item
    £3.95 per m²
    inc. VAT
    £247.42 per item
    £3.30 per m²
    ex. VAT
    Save £-296.90
    £296.90 per item
    £3.95 per m²
    inc. VAT
    £0.00 Save £-247.42
    £247.42 per item
    £3.30 per m²
    ex. VAT
  • PROCTOR Procheck® Adapt Variable VCL Membrane - 50m x 1.5m | Insulation Merchant
    PROCHECK® by A. Proctor Group

    PROCTOR Procheck® Adapt Variable VCL Membrane - 50m x 1.5m

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  • DuPont™ Tyvek® UV Facade - Rainscreen UV Membrane - 50m x 1.5m (75m²) | Insulation Merchant
    TYVEK® by DuPont - Performance Building Solutions

    DuPont™ Tyvek® UV Facade - Rainscreen UV Membrane - 50m x 1.5m (75m²)

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  • SIGA Wetguard® 200 SA - 390mm x 50m | Insulation Merchant
    WETGUARD® by SIGA

    SIGA Wetguard® 200 SA - 390mm x 50m

    £202.70 per item
    £10.39 per m²
    inc. VAT
    £168.92 per item
    £8.66 per m²
    ex. VAT
    Save £-202.70
    £202.70 per item
    £10.39 per m²
    inc. VAT
    £0.00 Save £-168.92
    £168.92 per item
    £8.66 per m²
    ex. VAT
  • SIGA Wetguard® 200 SA - 1560mm x 50m | Insulation Merchant
    WETGUARD® by SIGA

    SIGA Wetguard® 200 SA - 1560mm x 50m

    £764.35 per item
    £9.79 per m²
    inc. VAT
    £636.96 per item
    £8.17 per m²
    ex. VAT
    Save £-764.35
    £764.35 per item
    £9.79 per m²
    inc. VAT
    £0.00 Save £-636.96
    £636.96 per item
    £8.17 per m²
    ex. VAT
  • VisqueenPro Butyl Double Sided DPM Jointing Tape - 50mm x 10m | Insulation Merchant
    VISQUEENPRO BUTYL by Visqueen

    VisqueenPro Butyl Double Sided DPM Jointing Tape - 50mm x 10m

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