The vapour barrier film Conpar is laid in one layer on the inner side of the roof structure, vertically or horizontally on the rafters. It is important to install the film with the printed side towards the inside of the building. The film should be slightly tensioned. The individual sheets of the vapour barrier should be joined with an overlap, using adhesive tape, and they should be connected to a rafter using double-sided tape. All connections of vapour barrier sheets should be made very carefully, with at least 10 cm overlap, to prevent any leaks in the barrier.
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