Which entry doors are considered intruder security doors?

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MultiPoint locks are three-point locking systems that secure the door at three points – top, bottom, and traditional center latch location. Operating just like traditional locks, MultiPoint locks a...
STC stands for Sound Transmission Class. An STC (Sound Transmission Class) is a single number rating system derived from measured values of sound transmission loss in accordance with ASTM E90 and...
The 4010, 4020, 4110, and 4040/4040XP are heavy duty closers.
Steelcraft locates all butt hinges from the top of the door to the centerline of each hinge as standard practice: Locating hinges to the center line of the hinge keeps all hinge locations the sa...