where has SRi been tested


Schlage does not test their locks for ballistics or bullet resistance.
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...
Auxiliary fire latch is tested only from door to door latching by Von Duprin. Some door manufacturers have tested our devices LBR and use additional fire latches to pass the fire test. Contact the ...
No, the 33A is not compatible with the AD and  CO 993  chassis units. The  33A can only be driven in a clockwise direction. This would restrict it to right hand installs only.