As a homeowner, you should reset the opener to prevent outsiders from opening the door with a remote that's set to a Liftmaster default code. A simple procedure allows you to reset the opener for one or more remotes.
doorsill - the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offers support when passing through a doorway. doorstep, threshold. 1  doorway, room access, door, threshold - the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close; he stuck his head in the doorway.
Quality, craftsmanship, style and innovation. Andersen storm doors are built with the same quality and craftsmanship that you expect from AndersenÂ®. With a wide array of style options, Andersen storm doors allow you to enhance your entryway to complement your home. In addition, Andersen storm doors offer many innovative features designed to make them not only easy to use but also easy to install.