How To Replace An Entry Door Threshold

Mark the new threshold based on your measurements.

How to replace an entry door threshold. These thresholds wear out over time because of foot traffic and exposure to the weather. An entry door threshold can become damaged or worn over time. How to replace a threshold. If your threshold is showing its age take the time to replace it to ensure that your entry door continues to function as intended.

Prep with replacement at the ready photo by reena bammi. If necessary undercut the doorstops and door jambs to fit the threshold. Know the parts that make up the exterior door threshold. Click enlarge this image to view illustration labels.

Thresholds come in wood and metal both of which come with a rubber gasket for sealing out the cold. Carefully measure the doorway for the new threshold as you would for an exterior threshold detailed in step 2. The door sill or threshold is the bottom portion of your exterior door frame. Inserting rubber seal into new entry door threshold.

The threshold at the base of an exterior door takes a beating with constant foot traffic and weathering. Measure the length width and thickness of the old threshold and have a replacement with a similar pro file on. An exterior threshold takes a lot of abuse from foot traffic and weather and it can only withstand so much. As it ages or worse rots it looks bad and ceases to do an effective job of sealing out the weather.

Most exterior thresholds also have a sill beneath them. It helps to keep the elements out and provides a seal as well as a place to step as you enter the home. If the only problem is that the rubber seal no longer provides a tight seal on the door you may be able to replace the rubber seal rather than replacing the entire threshold. If your threshold is in rough shape replace it.