HP Armor Weld Tape is used to seam edges of HP Armor by Heatshield Products together to complete installation. It is also be used to protect the ends of the exposed insulation of the HP Armor, further protecting it from the elements and extending the life of your HP Armor. HP Armor Weld Tape can also be used to shield radiant heat from components. The heavy duty peel and stick adhesive will quickly stick to any clean surface and go right to work reflecting heat. HP Armor Weld Tape has a heat rating of up to 1100 F continuous and up to 2000 F intermittent. The part number for this HP Armor Weld tape is 179001 and it measures 1" wide by 39" long.