09/22/2026
EN fire door mortise lock evidence is useful only when the proposed lock and its installation can be connected to…
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09/22/2026
A UL fire door mortise lock submittal should connect a proposed lock configuration to a named opening, an applicable certification…
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09/21/2026
TL;DR Give every Australian commercial opening a complete mortice lock schedule row. Connect function, backset, oval cylinder and trim through…
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09/21/2026
TL;DR Determine DIN left or DIN right from the hinge-side view of the hinged door. Record the viewing side, swing…
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09/21/2026
TL;DR Build the ANSI mortise lock function schedule around each opening’s entry and exit behaviour. Separate passage, continuously restricted entry,…
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09/19/2026
Electric door loop installation should be planned around the complete movement of the door. A loop that looks tidy when…
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09/19/2026
A commercial door cylinder changeover plan controls the transition between the keys people use today and the system they will…
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09/19/2026
EN 1906 lever handle grade selection starts with the way people will use the door. A busy public entrance, a…
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09/18/2026
TL;DR Commercial door hinge tolerances should be agreed on a model-specific drawing and checked separately from installed door clearances. Leaf…
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09/18/2026
TL;DR A restricted key system specification should define who can request, approve, produce and receive additional keys, alongside the exact…
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