How To Replace A Broken Exterior Door Jamb

Here s how to go about repairing it.

How to replace a broken exterior door jamb. To replace damaged brick mold door casing. Tap it snugly into position using a rubber mallet. Over time rainwater can damage and rot the door jamb and brick mold on an exterior door. Use a sharp utility knife to cut through the caulking holding the brick mold.

Place the door with the exterior side down across two sawhorses. Use a flat pry bar to remove the door casing being careful not to damage adjoining surfaces. To replace door casing such as brick mold. As you bring bulky items into your home it s not uncommon to bump the exterior doorjamb as you pass through the door.

Remove the rotted jamb by tapping it away from the head jamb and cutting the nails. Measure and cut the replacement jamb to length. Carefully remove broken split pieces of wood from bottom of the side jamb. Use a scrap of the door jamb to scribe the threshold angle transfer the angle to the door stop on the replacement jamb and notch the jamb.

Http bit ly dewaltmultitool porter cable multitool. Remove the old door from the jamb. Apply carpenter s glue to broken wood pieces and glue them back onto the jamb. Lay a bead of caulk along what will be the back edge of the threshold.

How to repair a damaged exterior door jamb. Video tutorial to show how to fix and replace the common entrance door jamb frame that rots away. Dewalt 20v oscillating multitool my new one. Use a cordless gun to unscrew the hinges from the jamb.

Slide the threshold underneath the doorstops and position the notches you cut around the door jambs. Hold scrap wood block over the repair and use a hammer to tap the glued pieces tight to the jamb. Leave the hinges on the door. If it prevents the door from closing comfortably you can plane down the door or lower the threshold.

Use a utility knife to cut through the paint and caulk where the casing meets the door jamb siding and miter joint. Affiliate tool links for this video. Pull off any small splinters. It s a fairly inexpensive job with around 50 for parts.