It will be attached to the jamb via screws that run through the jamb into the threshold and it will be silicon ed down to the rough opening.
Door threshold without screws.
If the door is installed normally removing these will not help you remove the threshold.
It is possible that the threshold is tight enough in some areas and has a gap in others.
If your new threshold requires screws insert the screws in the pre made holes along the length of the threshold.
37 in x 4 625 in wood door threshold install with screws item 130223 model 45837oaksl.
The threshold should slope slightly away from your home so that water will not pool at your doorway.
Use a power drill to screw the threshold into position.
The adjustment screws must be utilized to bring the adjustable part of the threshold parallel with the bottom of the door and just snug enough to seal without binding the door when it is being closed.
Door thresholds come in a variety of materials such as wood marble and metal and make the transition from doorway to floor smooth and easy.
A threshold is a strip across the bottom of a door opening that seals it when the door is closed so cold or hot air does not seep in under the door.
Tips for proper door threshold adjustment.
How to remove replace an aluminum threshold.