SIGA Membranes

SIGA have a range of airtightness membranes for both internal and external airtight needs.
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SIGA Majcoat® 200 SOB Diffusion Open Roof Breather Membrane - 1.5m x 50m | Insulation Merchant
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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

    £317.65 per item
    £4.23 per m²
    inc. VAT
    £264.71 per item
    £3.53 per m²
    ex. VAT
    Save £-317.65
    £317.65 per item
    £4.23 per m²
    inc. VAT
    £0.00 Save £-264.71
    £264.71 per item
    £3.53 per m²
    ex. 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)

    £380.90 per item
    £5.07 per m²
    inc. VAT
    £317.42 per item
    £4.23 per m²
    ex. VAT
    Save £-380.90
    £380.90 per item
    £5.07 per m²
    inc. VAT
    £0.00 Save £-317.42
    £317.42 per item
    £4.23 per m²
    ex. 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)

    £233.70 per item
    £3.11 per m²
    inc. VAT
    £194.75 per item
    £2.60 per m²
    ex. VAT
    Save £-233.70
    £233.70 per item
    £3.11 per m²
    inc. VAT
    £0.00 Save £-194.75
    £194.75 per item
    £2.60 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
  • 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
  • SIGA Majcoat® 350 Diffusion-open Breathable Roof Membrane | Insulation Merchant
    Bat Friendly
    MAJCOAT® by SIGA

    SIGA Majcoat® 350 Diffusion-open Breathable "Bat-friendly" 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
  • 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
  • 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
  • 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

    £240.00 per item
    £3.20 per m²
    inc. VAT
    £200.00 per item
    £2.67 per m²
    ex. VAT
    Save £-240.00
    £240.00 per item
    £3.20 per m²
    inc. VAT
    £0.00 Save £-200.00
    £200.00 per item
    £2.67 per m²
    ex. VAT
  • SIGA Majvest® 500 SA - Self-Adhesive Facade Membrane (1.52m x 30.5m) | Insulation Merchant
    MAJVEST® by SIGA

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

    £575.95 per item
    £12.43 per m²
    inc. VAT
    £479.96 per item
    £10.36 per m²
    ex. VAT
    Save £-575.95
    £575.95 per item
    £12.43 per m²
    inc. VAT
    £0.00 Save £-479.96
    £479.96 per item
    £10.36 per m²
    ex. VAT
  • SIGA Wetguard® 200 SA - 780mm x 50m | Insulation Merchant
    WETGUARD® by SIGA

    SIGA Wetguard® 200 SA - 780mm x 50m

    £382.25 per item
    £9.80 per m²
    inc. VAT
    £318.54 per item
    £8.17 per m²
    ex. VAT
    Save £-382.25
    £382.25 per item
    £9.80 per m²
    inc. VAT
    £0.00 Save £-318.54
    £318.54 per item
    £8.17 per m²
    ex. VAT
  • SIGA Majpell® 25 Vapour Control Layer - 1.5m x 50m (75m²) | Insulation Merchant
    MAJPELL® by SIGA

    SIGA Majpell® 25 Vapour Control Layer - 1.5m x 50m (75m²)

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