If you go the route of a wood filler versus putty in order to sand and paint your door i have to give a shout out to dap s wood filler.
How to repair cracked wood door panel.
Once the broken panels slide use a hot glue gun to attach wooden blocks to both side edges of each of the panels.
Here are some recommendations for fixing cracks in wood doors containing larger cracks.
How to fix cracks in door panels without taking the door apart.
Wood putty wood putty allows you to spread it in the hole and crack so that it acts like a paste that will fill the empty spaces left by the crack.
When dry sand lightly with 220 grit sandpaper and use a stain pen available at hardware stores to match the color of the finish.
The advantage to wood putty is that it is thick and the repair you make may last a long time.
In the post stripping multiple layers of paint the paint is being removed off the old closet door in my office after stripping the paint i am ready to begin repairing the door.
I realize that this might be a new house issue as well however a door in a new house is a little easier to replace than one that is old and an odd size.
A common problem with older wood doors is split panels.
Fill in hairline cracks with an exterior wood filler.
To repair the years of nicks gorges and cracks on my interior doors i use dap s plastic wood professional wood filler.
Wooden doors will develop cracks over time especially if the panels aren t free to expand and contract.
If a crack has gunk in it clean out the space with a strip of sandpaper.