Patent ID: 7132160

Claim:
A method of insulating a component of a heating, ventilation, and air conditioning unit wherein said component comprises a metallic substrate having an outer surface and having another surface which is in contact with a hot or cold gas or liquid, said method comprising: a). providing a laminate tape comprised of i) a tacky first layer comprised of asphalt, rubber, and particulate cork filler and having a thickness of from about 0.05 inches to about 0.25 inches and b) a second layer which is essentially non-tacky and comprised of a rubber, said second layer having a thickness of from about 0.02 inches to about 0.15 inches and being no greater in thickness than said tacky first layer, wherein one side of said tacky first layer is adhered to one side of said second layer, the width of said second layer is from about 100% to about 120% the width of said tacky first layer, and said tacky first layer and said second layer each have a width of from about 1.5 inches to about 3.5 inches; and b). pressing said tacky first layer of the laminate tape against said outer surface of said metallic substrate to conform and adhere said laminate tape to said outer surface.