Airtightness and moisture protection:
With ISOVER VARIO KM and VARIO KM Duplex UV climate membranes

Today’s housing needs to provide the highest standards of energy efficiency, lifetime performance – and especially living comfort, with optimum indoor air quality and thermal comfort all year round.

All this can only be achieved, however, if the building shell is made perfectly airtight and protected against moisture.

ISOVER has the ideal range of products to meet this challenge. They prevent uncontrolled airflows effectively, and help you to make uncomfortable draughts, expensive heat loss and damage caused by mould or other fungi, a thing of the past.

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Airtight construction

Airtight construction prevents air from moving out of the building. The airtight membrane, which also acts as a water vapour retardant, is installed on the warm side of the construction. Typical solutions for airtight construction incorporate:

Windtight construction

Wind-tight construction prevents outside air from seeping into the building. The wind-tight membrane is installed on the external face of the structure and protects it from cooling and dampness. Typical solution for a wind-tight construction: