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Air Leakage

Air barrier materials and accessories

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Proprietary air impermeable membranes used in construction must have a certification from a third party (e.g. Irish Agrement Board -- IAB) otherwise they cannot be used in the dwelling.

In addition, all membranes, tapes and accessories must conform to the following conditions:

  • Have a certain level of durability.

  • Allow the movement of structural elements with negative effect.

  • Be of sufficient strength.

  • Be easy to apply and install.

  • Have a clear and simple maintenance procedure.