Replacing is the best option,of coarse---However a skilled cabinet maker or perhaps even a finish carpenter could rebuild the rotten sections of those doors,
Forget about foam and fillers--that section is structural and must be replaced with sound solid wood or the 'quick fix' will fail.
A router .planer and some rather sophisticated skills will be required to save that millwork.--Mike---
Forget about foam and fillers--that section is structural and must be replaced with sound solid wood or the 'quick fix' will fail.
A router .planer and some rather sophisticated skills will be required to save that millwork.--Mike---