If you have just started your research and are condsidering investing in a wood or composite carriage house door, there are some terms that may not be familiar to you. These may help with your decision making.
RAIL - A structural board that runs horizontally across a door such as at the bottom, top or below the window.
STILE- A structural board that runs vertically through a door such as an end stile.
MUNTIN BAR - Strips of wood that separate windows.
BUCK - A diagonal board or brace on a door.
V-GROOVE - A "V" shaped groove or intersection between two boards such as a panel.
PANEL - The portion of the door within the stiles and the rails.
BEADBOARD - A groove that contains a half round bead in the center.
SECTION - The horizontal portion of an overhead door which is connected to an adjacent section by a series of hinges allowing the door to roll up through the tracks.
TRACK - The metal structures the door rolls in.
TEMPERED GLASS - Glass that has been heated after it's been cut resulting in a much stronger, break resistant pane.
SAFTEY GLASS - Two pieces of regular glass with a film of plastic laminated between them. If the glass should break, the shards will remain in place.
DRAWBAR OPERATOR - The most common type of residential opener where the motor head attaches to a long rail and pulls the door from the top section to open.
JACKSHAFT OPERATOR - The type of opener that mounts to the wall and operates the door by turning the torsion shaft.
TRUE DIVIDED LITES (TDL) - This is when each window is and individual pane of glass.
SIMULATED DIVIDED LITES (SDL) - This is when all windows are the same pane of glass.
CEDAR BLEED - This is a condition where the tannins or oils seep out of the wood and even through the paint. It looks like someone spilled coffee on the door.