The Fitofol vapour barrier film is laid in a single layer from the inside of the roof structure vertically or horizontally with respect to the rafters. The film should be spread with a slight tension. Connect the vapour barrier to the plant using adhesive tape, and the connection with the rafter is best done using double-sided tape. All joints of vapour barrier foils should be made with the utmost care using a minimum of 10 cm of the plant, so as to prevent vapor barrier from unsealing.
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