How long does Bondo body filler take to dry?
Beside this, how long should Bondo cure before sanding?
Generally, in a matter if a few minutes it will start to harden and get rubbery. At that point, you can carve it up with a utility knife, a hand planer or a bondo rasp. Just make sure you leave enough to do a final sanding, usually within 10 to 15 minutes you can start sanding it.
Also Know, why is my Bondo not drying? If the Bondo isn't dry, it's because you didn't use enough hardener or the temperature is too low. Getting it wet didn't help. Try using a heat and strip gun. It gets hot pretty quick so keep it moving.
In this regard, how long does it take for body filler to cure?
If your filler hardens too fast, you used too much, if it takes too long, you didn't use enough. You only want to mix what you can use in about 10 minutes. Properly mixed, body filler will begin to thicken in 10-15 minutes, and be fully cured in 30.
Is Bondo body filler waterproof?
Fiberglass. Choose between Bondo Fiberglass Resins, Bondo Fiberglass Repair Kits or Bondo Body Fillers. Bondo Fiberglass Resins and Repair Kits are 100 percent waterproof.