If there is a slight damage to the outer surface of the ventilation duct, special sealing tape can be used for repair
If there is slight damage to the inner surface of the ventilation duct, special repair glue can be used for repair. Tianjin ventilation duct
If the aluminum foil layer on the outer surface of the ventilation duct is damaged and the fiberglass insulation layer is not damaged, a qualified aluminum foil can be selected for repairing the surface of the duct aluminum foil
If the damage to the ventilation duct wall has reached the fiberglass insulation layer, the damaged area can be cut off, a male and female joint can be made, and another intact board can be selected. Cut according to the size of the cut glass board, leave the male and female joint, apply repair glue and adhesive to the surrounding joints, and seal according to the process specifications
If the damage to the ventilation duct is severe and the damage area is large, which may affect the normal operation of the ventilation duct system, it is necessary to replace and repair the duct to ensure the normal operation of the system
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