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Airtight Materials Northern Ireland

Airtight Membranes


  • Izoperm General Purpose Ceiling Membrane
  • Flat Ceilings
  • Sloping Ceilings

Izoperm General Purpose Ceiling Membrane

1.5m x 50m= 75m2


£177 + VAT per roll

  • General purpose airtight membrane for flat and sloping ceilings
  • The highest phA Class ensures you the best energy efficiency standard for your sustainable building.
  • Extremely strong and functional performance vapour control layer. Optimum Sd 5/ PERM 0.69) ensures optimum compatibility for most constructions.

    • vara plus
    • 2021-12-07 10.07.30 - Copy (2)
    • Izoperm General Purpose Ceiling Membrane

    VARA Plus Specialist Variable Ceiling Membrane

    1.5m x 50m= 75m2



    £255     + VAT per roll

  • Optimal air tightness and water vapour transmission rate in different climate conditions.
  • Vara Plus - High performance Intelligent Airtight Layer
  • Best Sd value range humidity variable vapour check on the market, suitable for all insulation types.

    • roof membrane
    • Slab Wrapping
    • Roof Membrane
    • wind tight Roof Membrane

    1.5m x 50m= 75m2



    £202     + VAT per roll

    EXOPERM MONO 150 - Roof Membrane for wind tightness

  • EXOPERM MONO 150 provides enhanced protection of the building structure. It is strong, durable, incredibly vapour open with an Sd value of 0.07m, and boasts market-leading tensile strengths and nail tear resistance. The Monolithic layer creates a complete wind tight, waterproof, breathable membrane that expels any water/humidity.
  • EXOPERM MONO 150 is an external breather membrane designed for use on the cold side of insulation on facade wall and roof applications

  • Facades with closed joints
  • Timber and steel framed constructions
  • Warm, cold and hybrid roof applications
  • Pitched or flat roofs
  • Sarking boards
  • All insulation types
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