How long does J-B Weld steel stick take to cure?
Matthew Cannon
Updated on January 17, 2026
SteelStik™ sets in 3-5 minutes and after 60 minutes, can be drilled, tapped, machined, ground, filed and painted. SteelStik™ cures to a dark grey color, is rated at a tensile strength of 4000 PSI and will withstand temperatures up to 300ºF.
How long does J-B Weld take to set up?
At room temperature, J-B Weld™ sets in 4-6 hours to a dark grey color. A full cure is reached in 15-24 hours. J-B Weld™ has a tensile strength of 5020 PSI and sets to a hard bond overnight. It can withstand temperatures up to 550ºF when fully cured.What will J-B Weld not stick to?
J-B Weld will not adhere or bond well to: Any flexible rubber surface. Leather. Vinyl.Can you speed up the cure time for J-B Weld?
Either use JB Quik as others mentioned or mix the JB weld & let it start to settup before applying to the area you want to patch. It's an epoxy, so should cure faster with heat. Another trick is to embed a piece of window screen in the putty to hold it until it sets up.How long does J-B Weld 5 Minute Epoxy take to cure?
From the manufacturerClearWeld has a 1:1 mixing ratio, sets in 5 minutes and cures in 1 hour. With a tensile strength of 3900 PSI, ClearWeld sets to a hard, permanent bond.