- Low-E Glass
Glass which has been factory coated with a thin layer of material which acts to absorb and reflect heat and UV rays.
- Lock Stile
In insulated door assemblies, the full-length part which makes up the lock edge of the door panel.
- Lock Height
The dimension from the top of the door to the center line of the lock bore.
- Lock Bore
For cylindrical lock-sets, the large through hole near the door panel’s lock edge into which the lock mechanism is placed and installed.
- Lock Block
A rectangular block of wood or other solid material, placed inside a door assembly at the lock side edge, which reinforces the assembly when the lock hardware is installed.
An assembly of glass and a surrounding frame.
A term which can apply to a door or hinge and which defines a part of the assembly which can swing on a pivot. Butt hinges have two leaves.
- Latch Bore
The hole drilled into the edge of a door to accept the door latch lock hardware.
A thin sheet of wood or plastic that is bonded with adhesive to a core or substrate which creates a decorative and usable surface.