09/12/2026
TL;DR A fire rated exit device cannot be approved from the push bar name alone. The exact door, frame, latch…
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09/11/2026
TL;DR Commission the complete electronic opening, not the lock in isolation. Verify door preparation and mechanical movement first. Then test…
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09/11/2026
TL;DR Select a multipoint lock from the actual door section, not the material name alone. Timber doors require a controlled…
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09/11/2026
TL;DR Inspect a panic bar as part of the complete opening. Confirm the door closes freely, then check visible fasteners,…
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09/10/2026
Electronic Mortise Lock Wiring Guide: Voltage Drop, Door Power Transfer, Conductors and Connector Planning TL;DR Electronic mortise lock wiring should…
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09/10/2026
Multipoint Lock Cylinder and Handle Compatibility Guide: Centres, Spindle, Cam and Deadlocking Sequence TL;DR A multipoint lock, cylinder and handle…
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09/10/2026
Panic Bar Dogging Function Guide: Mechanical Hold-Open, Cylinder Control and Fire-Door Boundaries TL;DR Dogging is a hold-open or latch-retracted operating…
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09/10/2026
Electronic Mortise Lock Monitoring Guide: Door Position, Latch, Deadbolt and REX Signals TL;DR Door position, latch status, deadbolt position and…
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09/10/2026
Automatic Multipoint Lock Troubleshooting Guide: Trigger, Keeps, Compression and Lock-Point Alignment TL;DR When an automatic multipoint lock does not project…
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09/10/2026
Panic Bar Door Preparation Guide: Device Height, Strike, Reinforcement and Outside Trim Coordination TL;DR Do not machine a door from…
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