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A detailed comparison of mortise locks and cylindrical locks for commercial applications — covering internal construction, door prep requirements, ANSI/BHMA grades, security differences, electrification options, and a definitive guide to which type to specify for each door application.

A comprehensive ADA door hardware compliance guide covering lever handle requirements, maximum door opening force, closing speed limits, maneuvering clearances, hardware mounting heights, and how to spec compliant hardware for commercial and public-accommodation buildings.

A definitive comparison of fail safe and fail secure electric locking modes — covering how each works on power loss, NFPA 101 and IBC life safety requirements, and exactly which applications require each configuration.

A complete door closer sizing guide covering ANSI closer sizes 1 through 6, door width and weight specifications, spring power adjustment, ADA opening force compliance, fire door requirements, and how to select the right closer for every commercial...

A complete breakdown of ANSI/BHMA lock grades — Grade 1, Grade 2, and Grade 3 — covering testing cycles, duty ratings, and how to spec the right hardware for commercial, institutional, and residential applications.

A comprehensive reference guide to every major type of commercial door lock — mortise locks, cylindrical locks, exit devices, electrified hardware, and more — with specifications, use cases, and code considerations.

A comprehensive reference guide to every major type of commercial door lock — mortise locks, cylindrical locks, exit devices, electrified hardware, and more — with specifications, use cases, and code considerations.