How Long Does Wood Filler Take To Dry. It also means you do not have to spend a lot of time waiting before you can paint or. This means your application needs to be fast, so it does not harden before you complete the application.

Deeper fills can take as long as six hours before they are fully affixed to the wood. The best way to determine dry times is to look at guidelines for filler packaging. This means your application needs to be fast, so it does not harden before you complete the application.