Does Bondo Soak up Water

Another point to note is that the talc in body filler is hygroscopic, meaning it readily absorbs water. Don’t leave a vehicle in damp conditions with exposed body filler. Moisture could get absorbed and give you big problems later in the repair. Body filler is exothermic, meaning it creates its own heat when curing.

Does body filler absorb water?

Another point to note is that the talc in body filler is hygroscopic, meaning it readily absorbs water. Don’t leave a vehicle in damp conditions with exposed body filler. Moisture could get absorbed and give you big problems later in the repair. Body filler is exothermic, meaning it creates its own heat when curing.

Can Bondo all purpose putty get wet?

As a result, Bondo All-Purpose Putty is water resistant and will not shrink. This allows you to make professional-looking repairs that last.