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 Dasatop - 1.5m x 50m (75m²) | Insulation Merchant
    DASATOP by Pro Clima

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

    £222.15 per item
    £2.96 per m²
    inc. VAT
    £185.13 per item
    £2.47 per m²
    ex. VAT
    £0.00 Save £-222.15
    £222.15 per item
    £2.96 per m²
    inc. VAT
    £0.00 Save £-185.13
    £185.13 per item
    £2.47 per m²
    ex. 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)

    £378.96 per item
    £7.56 per m²
    inc. VAT
    £315.80 per item
    £6.30 per m²
    ex. VAT
    Save £-378.96
    £378.96 per item
    £7.56 per m²
    inc. VAT
    £0.00 Save £-315.80
    £315.80 per item
    £6.30 per m²
    ex. VAT
  • Pro Clima DB+ - 1.35m x 50m | Insulation Merchant
    DB+ by Pro Clima

    Pro Clima DB+ - 1.35m x 50m

    £213.05 per item
    £3.16 per m²
    inc. VAT
    £177.54 per item
    £2.63 per m²
    ex. VAT
    £0.00 Save £-213.05
    £213.05 per item
    £3.16 per m²
    inc. VAT
    £0.00 Save £-177.54
    £177.54 per item
    £2.63 per m²
    ex. VAT
  • Protect VP400 PLUS LR Vapour Permeable Roofing Underlay - 1m x 50m | Insulation Merchant
    Sale 20%
    Top Deals
    Free Shipping
    VP400 by Protect Membranes

    Protect VP400 PLUS LR Vapour Permeable Roofing Underlay - 1m x 50m

    £99.92 per item
    inc. VAT
    £83.27 per item
    ex. VAT
    £124.90 Save £24.98
    £99.92 per item
    inc. VAT
    £104.08 Save £20.82
    £83.27 per item
    ex. VAT
  • 3m Pro Clima Intello Plus - Vapour Check Membrane (50m) | Insulation Merchant
    INTELLO by Pro Clima

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

    £603.84 per item
    £4.02 per m²
    inc. VAT
    £503.20 per item
    £3.35 per m²
    ex. VAT
    £0.00 Save £-603.84
    £603.84 per item
    £4.02 per m²
    inc. VAT
    £0.00 Save £-503.20
    £503.20 per item
    £3.35 per m²
    ex. VAT
  • DuPont™ Tyvek® UV Facade Tape - 25m x 75mm | Insulation Merchant
    TYVEK® by DuPont - Performance Building Solutions

    DuPont™ Tyvek® UV Facade Tape - 25m x 75mm

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    Add to a quote for our best rate.

  • SIGA Majvest® 200 - Breather Membrane (Particularly for Closed Facade) | Insulation Merchant
    MAJVEST® by SIGA

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

    £195.45 per item
    £2.60 per m²
    inc. VAT
    £162.88 per item
    £2.17 per m²
    ex. VAT
    Save £-195.45
    £195.45 per item
    £2.60 per m²
    inc. VAT
    £0.00 Save £-162.88
    £162.88 per item
    £2.17 per m²
    ex. VAT
  • Pro Clima Constivap 2.3 Plus - 1.5m x 50m | Insulation Merchant
    CONSTIVAP by Pro Clima

    Pro Clima Constivap 2.3 Plus - 1.5m x 50m

    £171.32 per item
    inc. VAT
    £142.77 per item
    ex. VAT
    £0.00 Save £-171.32
    £171.32 per item
    inc. VAT
    £0.00 Save £-142.77
    £142.77 per item
    ex. VAT
  • STEICOmulti Renova Membrane - 50m x 1.5m | Insulation Merchant
    Sale 18%
    Summer
    MULTI RENOVA by Steico

    STEICO Multi Renova Membrane - 50m x 1.5m

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    Add to a quote for our best rate.

  • 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

    £549.45 per item
    £10.97 per m²
    inc. VAT
    £457.88 per item
    £9.14 per m²
    ex. VAT
    Save £-549.45
    £549.45 per item
    £10.97 per m²
    inc. VAT
    £0.00 Save £-457.88
    £457.88 per item
    £9.14 per m²
    ex. VAT
  • OBEX CORTEX (0500FR) ISM Interface Sealing Membrane
    CORTEX FR by OBEX

    OBEX CORTEX (0500FR) ISM Interface Sealing Membrane

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    Add to a quote for our best rate.

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

    5.0

    SOLITEX by Pro Clima

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

    £347.24 per item
    £4.62 per m²
    inc. VAT
    £289.37 per item
    £3.86 per m²
    ex. VAT
    £0.00 Save £-347.24
    £347.24 per item
    £4.62 per m²
    inc. VAT
    £0.00 Save £-289.37
    £289.37 per item
    £3.86 per m²
    ex. VAT
  • PROCTOR Reflectatherm® Plus - 1.5m x 50m | Insulation Merchant
    REFLECTATHERM® by A. Proctor Group

    PROCTOR Reflectatherm® Plus - 1.5m x 50m

    £139.90 per item
    £1.86 per m²
    inc. VAT
    £116.58 per item
    £1.55 per m²
    ex. VAT
    Save £-139.90
    £139.90 per item
    £1.86 per m²
    inc. VAT
    £0.00 Save £-116.58
    £116.58 per item
    £1.55 per m²
    ex. VAT
  • DuPont™ AirGuard® Reflective - Vapour Control Layer - 1.5m x 50m | Insulation Merchant
    AIRGUARD® by DuPont - Performance Building Solutions

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

    Looking for a price?

    Add to a quote for our best rate.

  • YBS Breather-Foil - 50m x 1.35m | Insulation Merchant

    5.0

    BREATHER-FOIL by YBS Insulation

    YBS Breather-Foil - 50m x 1.35m

    £239.90 per item
    £3.55 per m²
    inc. VAT
    £199.92 per item
    £2.96 per m²
    ex. VAT
    Save £-239.90
    £239.90 per item
    £3.55 per m²
    inc. VAT
    £0.00 Save £-199.92
    £199.92 per item
    £2.96 per m²
    ex. VAT
  • OBEX CORTEX (0771FR) Class B Paste Adhesive - 600ml foil cartridge | Insulation Merchant
    CORTEX FR by OBEX

    OBEX CORTEX (0771FR) Class B Paste Adhesive - 600ml foil cartridge

    Looking for a price?

    Add to a quote for our best rate.

  • Pro Clima Solitex Adhero 3000 - Self Adhesive Vapour Permeable Membrane (1.5m X 30m) | Insulation Merchant
    SOLITEX by Pro Clima

    Pro Clima Solitex Adhero 3000 - Self Adhesive Vapour Permeable Membrane (1.5m X 30m)

    £405.23 per item
    £9.00 per m²
    inc. VAT
    £337.69 per item
    £7.50 per m²
    ex. VAT
    Save £-405.23
    £405.23 per item
    £9.00 per m²
    inc. VAT
    £0.00 Save £-337.69
    £337.69 per item
    £7.50 per m²
    ex. VAT
  • Protect TF200 Timber Frame Breather Membrane - 1.35m x 100m | Insulation Merchant
    TF200 by Protect Membranes

    Protect TF200 Timber Frame Breather Membrane

    Looking for a price?

    Add to a quote for our best rate.

  • SIGA Majcoat® 150 Breather Membrane - 1.5m x 50m (75m²) | Insulation Merchant
    MAJCOAT® by SIGA

    SIGA Majcoat® 150 Breather Membrane - 1.5m x 50m (75m²)

    £220.90 per item
    £2.94 per m²
    inc. VAT
    £184.08 per item
    £2.45 per m²
    ex. VAT
    Save £-220.90
    £220.90 per item
    £2.94 per m²
    inc. VAT
    £0.00 Save £-184.08
    £184.08 per item
    £2.45 per m²
    ex. VAT
  • SIGA Majvest® 200 SOB - Breather Membrane with Tape (Particularly for Closed Facade) | Insulation Merchant
    MAJVEST® by SIGA

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

    £218.65 per item
    £2.91 per m²
    inc. VAT
    £182.21 per item
    £2.43 per m²
    ex. VAT
    Save £-218.65
    £218.65 per item
    £2.91 per m²
    inc. VAT
    £0.00 Save £-182.21
    £182.21 per item
    £2.43 per m²
    ex. VAT