Shutter Terms
Beading
A beaded pattern that can be molded into the inside edge each stile of a shutter.
Board-N-Batten
Traditionally used on barns, this shutter style now gives homes a charming, rustic appearance. The authentic tongue-and-groove configuration lends the same beveled look as though the shutter were constructed from individual boards.
Exterior Shutters
Functional exterior shutters protect a building from rain, control air flow, filter direct sunlight, deflect small flying debris, and add privacy. They hinge to either side of a window, swinging shut if desired. In regions with severe weather, solid panels are often used for maximum protection. Other styles of exterior shutter, such as Board-N-Batten, enhance the features of a building and provide beauty rather than protection. Non-functional exterior shutters can be constructed from wood, wood composite, fiberglass, vinyl or other synthetic materials. Non-functional shutters simply screw or bolt directly to the building.
Fixed Louvers
Set in a single uniform position so the louvers do not move. Most often at an angle to block direct sunlight and allow for ventilation. Used frequently for exterior shutters.
Flat Panel Shutter
A solid shutter where the center portion of the shutter is recessed from the stiles.
Interior Shutters
The term “window shutter” is now used to refer to both the interior shutters found inside a structure and the shutters on a building's exterior. Both types of shutters may control the amount of light entering the building, add privacy, assist in sheltering a house or building from the elements, and enhance the building's architecture.
Louvers
Slats contained within a shutter panel to allow light and ventilation.
Mousehole
A notched hole in the rails that accommodated the ends of the tilt rod when the louvers were in the closed position. Now it just adds to the authentic appearance.
Movable Louvers
Adjustable slats that can be rotated into the desired position.
Mullions
The vertical element between the stiles that acts as a divider. Found in Bahama shutters.
Rails
The horizontal crosspieces of a shutter (i.e. top rail, bottom rail, center rail).
Raised Panel Shutter
A solid shutter where the center portion of the shutter panel protrudes outward from the surrounding routed bevel.
Shutter Dogs
Functional exterior window shutters, which can be swung shut in the event of storms, can also be fixed open during balmy weather by wrought-iron or cast-iron “dogs,” which are called “shutter dogs.” The term is derived from the idea of a dog biting or holding on.
Stiles
The upright, vertical sections of a shutter, which may be beaded or non-beaded.
Tilt Rod
Working louver siiiiuhutters had a rod, or tilt-rod, to move the louvers into the open or closed position. These are now purely decorative for those who truly desire the more authentic look.

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