The special double cured reinforcement aluminium tape is applied for the purpose of sealing PIR air duct material from the outside area, as a vapour barrier in the folded seams of the duct, to repair or cover any damages to the panel and for the aesthetic appearance of the duct. Before applying the tape, be sure that the surfaces are dry and clean. Ideally, the tape should be applied at temperatures above 10° C, it should not be applied when temperatures are below 0°C. The tape is applied only to the external seams of the duct where the sides of the panel were joined, tape. A soft spatula is used to brush along the surface of the tape and eliminate trapped air bubbles.