Apply carpenter's glue to broken wood pieces and glue them back onto the jamb. 4. Hold scrap wood block over the repair and use a hammer to tap the glued pieces tight to the jamb. Repeat to repair damage at the top of the side jamb.
In this how-to video, This Old House general contractor Tom Silva makes an undetectable repair to a damaged doorjamb.
Repair and reinforce damaged door jambs easily and cost-effectively with Fix-A-
You can usually fix a kick-in door jamb by gluing it back together.. use a miter saw set at 45 degrees to cut an identical piece and nail it on for a replacement.