JB Weld Extreme Heat Paste is used for filling cracks and holes in surfaces which are generally exposed to high temperatures in the range of 2400°F / 1300°C. The adhesive can be easily applied to fix cracks and holes in exhaust pipes or fire boxes and sets in 1 hour while curing in 24 hours. Once this metallic compound is fully cured, it can be drilled, machined, sanded or painted as needed. Since it is water based it is not flammable and contains no VOCs or solvents.
Able to withstand continuous heat to 2400°F / 1300°C.
Can be used for filling cracks and holes on high temperature surfaces.
Great to use for exhaust manifolds, tail pipes, fireplaces, grills and more