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

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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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Roofing Underlay Membranes

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Protect TF200 Thermo Insulating Timber Frame Breather Membrane | Insulation Merchant

Timber Frame Membranes

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DPM (Damp Proof Membrane) Polythene Membranes

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  • Alutrix 600 Self-adhesive Vapour Barrier Membrane - 1.08m x 40m
    ALUTRIX by Carlisle CM Europe

    CCM/AT600

    Alutrix 600 Self-adhesive Vapour Barrier Membrane - 1.08m x 40m

    £403.50 inc. VAT
    £9.34 per m²
    £336.25 ex. VAT
    £7.78 per m²
    £403.50 inc. VAT
    £9.34 per m²
    you save £-403.50
    £336.25 ex. VAT
    £7.78 per m²
    £0.00 you save £-336.25
  • DuPont™ Tyvek® UV Facade - Rainscreen UV Membrane - 50m x 1.5m (75m²)
    TYVEK® by DuPont - Performance Building Solutions

    TY/UVFACADE-5015

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

    £379.90 inc. VAT
    £316.58 ex. VAT
    £379.90 inc. VAT
    you save £-379.90
    £316.58 ex. VAT
    £0.00 you save £-316.58
  • SIGA Majvest® 500 SA - Self-Adhesive Facade Membrane (1.52m x 30.5m) SIGA Majvest® 500 SA - Self-Adhesive Facade Membrane (1.52m x 30.5m)
    MAJVEST® 500 SA by SIGA

    SIG/MV500S-60

    SIGA Majvest® 500 SA - Self-Adhesive Facade Membrane (1.52m x 30.5m)

    £575.95 inc. VAT
    £12.43 per m²
    £479.96 ex. VAT
    £10.36 per m²
    £575.95 inc. VAT
    £12.43 per m²
    you save £-575.95
    £479.96 ex. VAT
    £10.36 per m²
    £0.00 you save £-479.96
  • Blowerproof Liquid Brush Paint on Airtightness Membrane (White) - 5kg
    LIQUID BRUSH by Blowerproof

    BP/LPAMW-5

    Blowerproof Liquid Brush Paint on Airtightness Membrane (White) - 5kg

    £ Looking for a price?

    Add to a quote for our best rate.

  • SIGA Wetguard® 200 SA - 780mm x 50m SIGA Wetguard® 200 SA - 780mm x 50m
    WETGUARD® by SIGA

    SIG/WG200S-78

    SIGA Wetguard® 200 SA - 780mm x 50m

    £382.25 inc. VAT
    £9.80 per m²
    £318.54 ex. VAT
    £8.17 per m²
    £382.25 inc. VAT
    £9.80 per m²
    you save £-382.25
    £318.54 ex. VAT
    £8.17 per m²
    £0.00 you save £-318.54
  • TLX BATSAFE Bat Friendly Breathable Roofing Membrane - 25m x 950mm
    by TLX

    TLX/BS

    TLX BATSAFE Bat Friendly Breathable Roofing Membrane - 25m x 950mm

    £ Looking for a price?

    Add to a quote for our best rate.

  • PROCTOR Procheck® 300 VCL Reinforced Vapour Barrier - 50m x 2m
    PROCHECK® by A. Proctor Group

    PROC/PROPREM

    PROCTOR Procheck® 300 VCL Reinforced Vapour Barrier - 50m x 2m

    £299.50 inc. VAT
    £2.99 per m²
    £249.58 ex. VAT
    £2.50 per m²
    £299.50 inc. VAT
    £2.99 per m²
    you save £-299.50
    £249.58 ex. VAT
    £2.50 per m²
    £0.00 you save £-249.58
  • DuPont™ Tyvek® Housewrap - Breather Wall Membrane - 100m x 1.4m (140m²)
    TYVEK® by DuPont - Performance Building Solutions

    TY/HWRAP-100x1.4

    DuPont™ Tyvek® Housewrap - Breather Wall Membrane - 100m x 1.4m (140m²)

    £ Looking for a price?

    Add to a quote for our best rate.

  • PROCTOR Reflectatherm Plus - 2.7m x 100m
    REFLECTATHERM by A. Proctor Group

    PROC/RTHPL-3M

    PROCTOR Reflectatherm Plus - 2.7m x 100m

    £484.90 inc. VAT
    £1.79 per m²
    £404.08 ex. VAT
    £1.50 per m²
    £484.90 inc. VAT
    £1.79 per m²
    you save £-484.90
    £404.08 ex. VAT
    £1.50 per m²
    £0.00 you save £-404.08
  • PROCTOR Reflectatherm Plus - 3m x 100m
    REFLECTATHERM by A. Proctor Group

    PROC/RTHPL-3

    PROCTOR Reflectatherm Plus - 3m x 100m

    £ Looking for a price?

    Add to a quote for our best rate.

  • Delta MS 500 – Cavity Drain Membrane - 2 x 20m Delta MS 500 – Cavity Drain Membrane - 2 x 20m
    MS 500 by Delta Membranes

    DEL/MS5-220

    Delta MS 500 – Cavity Drain Membrane - 2 x 20m

    £ Looking for a price?

    Add to a quote for our best rate.

  • Delta MS 500 – Cavity Drain Membrane - 2.4 x 20m Delta MS 500 – Cavity Drain Membrane - 2.4 x 20m
    MS 500 by Delta Membranes

    DEL/MS5-2420

    Delta MS 500 – Cavity Drain Membrane - 2.4 x 20m

    £ Looking for a price?

    Add to a quote for our best rate.

  • House Wrap Breather Membrane | Insulation Merchant
    FLAMEOUT by ITP

    ITP/FOBFR-1550

    1.5m Powerlon ITP FlameOut House Wrap Breather Membrane - 50m

    £146.90 inc. VAT
    £1.95 per m²
    £122.42 ex. VAT
    £1.63 per m²
    £146.90 inc. VAT
    £1.95 per m²
    you save £-146.90
    £122.42 ex. VAT
    £1.63 per m²
    £0.00 you save £-122.42
  • NOVIA VC200 Reflective Air Leakage and Vapour Control Layer NOVIA VC200 Reflective Air Leakage and Vapour Control Layer
    VC2000 by Novia

    NO/VC200-1550

    NOVIA VC200 Reflective Air Leakage and Vapour Control Layer

    £ Looking for a price?

    Add to a quote for our best rate.

  • YBS Breather-Foil - 25m x 1.35m YBS Breather-Foil - 25m x 1.35m
    BREATHER-FOIL by YBS Insulation

    YBS/BF-25

    YBS Breather-Foil - 25m x 1.35m

    £ Looking for a price?

    Add to a quote for our best rate.

  • Protect A1 - Roofing Underlay | Insulation Merchant Protect A1 - Roofing Underlay | Insulation Merchant
    A1 by Protect Membranes

    PROT/A1

    1.5m Protect A1 - Roofing Underlay

    £ Looking for a price?

    Add to a quote for our best rate.

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

    PT/WUNDERLAY

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

    £36.50 inc. VAT
    £0.81 per m²
    £30.42 ex. VAT
    £0.68 per m²
    £36.50 inc. VAT
    £0.81 per m²
    you save £-36.50
    £30.42 ex. VAT
    £0.68 per m²
    £0.00 you save £-30.42
  • DuPont™ Tyvek® Supro - Breather Felt Roof Membrane - 50m x 1m (50m²) DuPont™ Tyvek® Supro - Breather Felt Roof Membrane - 50m x 1m (50m²)
    TYVEK® by DuPont - Performance Building Solutions

    TY/SUPRO-50x1

    DuPont™ Tyvek® Supro - Breather Felt Roof Membrane - 50m x 1m (50m²)

    £ Looking for a price?

    Add to a quote for our best rate.