Knowledge

GLOSSARY OF STEEL FRAME DOOR WITH HARDWARE KITS TERMS

Steel frame

The frame of the door made of steel

Door slab

The flat section of the door that fits into the frame

Threshold

The bottom part of the frame that the door rests on

Hinge

The hardware that attaches the door to the frame, allowing it to swing open and closed

Strike plate

A metal plate that is attached to the frame where the latch or lock engages to keep the door closed

Lockset

A combination of a lock and a latch that secures the door in place

Deadbolt

A type of lock that extends a bolt to the doorjamb and is operated by a key or thumb turn

Knob

A round handle used to open and close the door

Lever

A handle that is pushed down or up to open and close the door

Flush bolt

A type of bolt used on double doors to secure the inactive door panel

Astragal

A molding or strip that covers the gap between double doors to prevent drafts and improve security

Jamb

The vertical frame of a doorway to which the door is attached

Header

The top part of the frame that supports the weight of the door

Casing

The molding or trim that surrounds the door frame