J-B Weld FiberWeld Automotive Repair Cast is a high-strength fiberglass wrap, impregnated with a specially-formulated resin. When activated by water, the product forms a strong, permanent bond that hardens like steel in 15 minutes. Once cured, FiberWeld is temperature resistant up to 400 Deg. F and holds water pressure up to 100 PSI.

Product Features:

• Includes one 2 in x 36 in wrap, gloves, and securing bandage.
• Easy to use like a cast: Wet, apply, done!
• Temperature resistant up to 400 Deg. F
• Works on radiator & heater hoses, tailpipes & mufflers, oil & transmission lines, vacuum lines, outside mirrors & roof racks, and RV & boat emergency repairs.