Definitions of Terms under Alphabet P

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.