It is quite easy to repair a split door jamb. If the wood is not detached from the door, it is a simple repair. Also, painting the frames will be an easy repair because the areas where the wood is missing can be filled with the help of wood filler. You need to follow the steps mentioned below in order to fix a split door frame.
Step 1 - Remove the Wood
You need to first remove the loose wood from the area where the split has occurred with a knife.
Step 2 - Use Force
You will need to use some force so that the pilot holes are drilled into the split, temporarily keeping the jamb together.
Step 3 - Drill Pilot Holes
Make sure the pilot holes you drill are large enough for the screws to slide into. Then drill another small pilot hole on the other side of the split.
Step 4 - Apply Glue
Apply some glue into the crack so that it holds together by inserting a nail into the split. The deeper you insert the nail in glue, the stronger the repair.
Step 5 - Clamp the Split
Clamp the split with the help of a wood clamp. Check the frame again for any more cracks.
Step 6 - Clean the Wood
The last step is to remove all the unwanted glue with a damp cloth. Make sure the cloth is not too wet as it can loosen and weaken the repair of the split door frame.