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.
#1 provider of custom CORIANÂ® and HI-MACSÂ® window sills. Window Sills Direct uses CorianÂ®, Hi-MacsÂ®, stone, and other solid surface products to make quality solid surface applications. window sills â window seats â shower seats âshower sills â thresholds â shower caddies â soap holders â transition thresholds â wall caps â shelves. We fabricate any size order to your specifications.