Heatshield Armor Weld Tape is used to seam edges of Heatshield Armor together to complete installation. It can also be used to protect the ends of the exposed insulation of the Heatshield Armor to further protect it from the elements and extend the product's life. The Heatshield Armor Weld Tape can also be used to shield radiant heat from components. The heavy duty peel and stick adhesive will stick to any CLEAN surface.