fig1 when fully installed the garage door jamb trim 10 is adapted to hide the fasteners 52 to protect the fasteners 52 and the underlying garage door jamb 50 from the elements first fasteners 52 along the interior sealing flange 32 are protected from the elements by the overhead garage door not shown second fasteners 52 along the front sealing flange 34 are protected by the arm 22 further the fasteners 52 along the exterior sealing flange 28 are protected from the elements by the installed siding in other embodiments the fasteners 52 may be protected from the elements using any method appropriate to provide the adjustability protection from the elements and further advantages preferred for the given application the optional garage door seal 40 shown in fig1 seals the space between the door jamb 50 and an overhead garage door when the garage door is in the closed position the garage door seal 40 includes a flexible edge 44 to engage the overhead garage door and seal the overhead garage door in the closed position in an embodiment the garage door seal 40 further includes the garage door seal tabs 42 to lock into the seal retaining grooves 38 to provide continuous engagement along the length of the interior door jamb trim 30 and permit easy replacement in other embodiments the garage door seal 40 may be received by garage.