Abbreviation for polyvinyl chloride, a plastic material used to make molded or extruded parts.
A decorative molding applied to the surface of a flush door, to give the appearance of a raised-molding design.
In a double or two-panel door assembly, the door which usually remains closed and fixed by bolts at top and bottom.
- Passage Lock
A lock-set, which will retain a door close, but which cannot be locked.