Repair any leakage or fill any gap with this heavy duty aluminium tape and seal off vapor and any vapor or moisture leakage from AC or heater. A perfect insulating tape and joining tape for AC and heater repair purpose. Repair other electric material that need insulation and sealing. Aluglass tape is an aluminium glass cloth back tape and mesh glass cloth which is merged with high performance hot melt adhesive and finally given protection by silicone release paper.