How long does it take bondo to dry?

Bondo, a popular automotive body filler, typically takes about 20 to 30 minutes to dry to the touch at room temperature. However, for it to fully cure and be ready for sanding or painting, it can take anywhere from 1 to 2 hours. Factors like temperature, humidity, and the thickness of the application can affect drying times. Always refer to the manufacturer's instructions for the best results.