Window Unit

Window Terminology
Keeper
The hook-shaped piece of equipment that is mounted on the gate frame within a casement window in which the sash lock engages.
Knocked-down:
Not mounted. Parts of a window frame manu ¬ pre-charged for subsequent installation on a building site.
Label:
A projecting molding on the sides and above an opening.
Label stop:
ornamental projection at each end of a label, the threshold, and of course support. often takes the form of a sculpture or other decorative gargoyle.
window titled:
Windows labels on fire Underwriters Laboratories (UL).
Laminated:
Similar to the construction of car windshields, sandwich technique has a piece of transparent film or plastic between two sheets of glass. Mainly used for safety reasons because of its resistance to shattering. Also to reduce noise transmission inside.
Lancet window:
Tall, narrow window with an arched top, often with diamond shaped lights of lead characteristic of Gothic architecture.
Lattice window (also Diamond):
Window with glazing bars set diagonally.
light lead (also lead glazing; stained glass) windows with small panes of glass set in grooved rods of cast lead or has come. The glass can be clear, colored or tinted.
Elevator:
A handful or grip installed on the bottom frame rail of a sash window to help raise or lower the chassis.
Light (also lite):
A window glass in a window. Double-hung windows are designated by the number of fires in the upper and lower chassis, as in 6-on-6.
Lintel:
Horizontal (wood, steel or stone) over a window opening to support the weight of the wall above. A header.
window of the loop (also Balistraria):
A long narrow vertical opening, usually widening towards the inside, cut in a medieval wall, parapet, or enrichment for use by archers. Changes appear in roman ¬ neo-esque.
Low-E Glass:
A term used to describe glass that has low emissiv ¬ tion due to a film or metallic coating on the glass surface. Usually constructed of double panes of glass sealed coating filled with pure inert gas to block ultraviolet heat, for cooling purposes, while reflecting the ambient heat in the room for heating.
LVL
Laminated veneer lumber - A combination of several pieces of wood veneer glued together to give more structural capacity. Often used in a window or door frames.
Opening of masonry:
The space in a masonry wall left open the window or door.
Meeting rail (also lock rail):
One of the two horizontal components of a sash that meet. A check rail.
Meeting stile:
The vertical member in a pair of uprights, as in abutting casement windows.
stone mold (also in stone amount):
A stone that serves as a window jamb.
Mortise:
A slot or rectangular cavity cut into a piece of wood to receive another part.
Mortise and Tenon:
A joint solid wood made by fitting a mortise in one board and a matching protrusion (tenon) in the other.
Mullion:
A vertical member (usually wood or metal) to structurally join two window or door.
Braces:
Vertical or horizontal bar used to separate glass in a frame in multiple lights. Often called a grid.
Blade nailing:
An extension of vinyl or aluminum attached to the frame of a window or a door that creates a seal between the window and be ¬ wall framed. Acts like.