Blog | Commercial-Grade Manufacturer

Sep 10, 2026 Ivan.he

Electronic Mortise Lock Monitoring Guide: Door Position, Latch, Deadbolt and REX Signals

Electronic Mortise Lock Monitoring Guide: Door Position, Latch, Deadbolt and REX Signals TL;DR Door position, latch status, deadbolt position and request-to-exit are...

Read Article

Automatic Multipoint Lock Troubleshooting Guide: Trigger, Keeps, Compression and Lock-Point Alignment

Technical Insights

Sep 10, 2026 Ivan.he

Automatic Multipoint Lock Troubleshooting Guide: Trigger, Keeps, Compression and Lock-Point Alignment

Automatic Multipoint Lock Troubleshooting Guide: Trigger, Keeps, Compression and Lock-Point Alignment TL;DR When an automatic multipoint lock does not project or retract...

Read Article

Panic Bar Door Preparation Guide: Device Height, Strike, Reinforcement and Outside Trim Coordination

Technical Insights

Sep 10, 2026 Ivan.he

Panic Bar Door Preparation Guide: Device Height, Strike, Reinforcement and Outside Trim Coordination

Panic Bar Door Preparation Guide: Device Height, Strike, Reinforcement and Outside Trim Coordination TL;DR Do not machine a door from a product...

Read Article

Electronic Mortise Lock Power-Loss Guide: Fail-Safe, Fail-Secure and Monitoring

Technical Insights

Sep 8, 2026 Ivan.he

Electronic Mortise Lock Power-Loss Guide: Fail-Safe, Fail-Secure and Monitoring

Electronic Mortise Lock Power-Loss Guide: Fail-Safe, Fail-Secure and Monitoring TL;DR Fail-safe and fail-secure describe the intended state of a controlled lock function...

Read Article

Multi Point Door Lock Replacement Guide: Measure Centres, Backset, Faceplate and Lock Points

Technical Insights

Sep 8, 2026 Ivan.he

Multi Point Door Lock Replacement Guide: Measure Centres, Backset, Faceplate and Lock Points

Multi Point Door Lock Replacement Guide: Measure Centres, Backset, Faceplate and Lock Points TL;DR A reliable multi point door lock replacement needs...

Read Article

Panic Exit Device Outside Trim Guide: Cylinder, Lever, Pull and Re-entry Planning

Technical Insights

Sep 8, 2026 Ivan.he

Panic Exit Device Outside Trim Guide: Cylinder, Lever, Pull and Re-entry Planning

Panic Exit Device Outside Trim Guide: Cylinder, Lever, Pull and Re-entry Planning TL;DR The inside push bar must preserve the approved egress...

Read Article

Access Control Door Hardware Guide: Lock, Power, Controller and Door Interfaces

Technical Insights

Sep 7, 2026 Ivan.he

Access Control Door Hardware Guide: Lock, Power, Controller and Door Interfaces

Access Control Door Hardware Guide: Lock, Power, Controller and Door Interfaces TL;DR Access control door hardware must be scheduled as a system:...

Read Article

3 Point Locking System Guide: Automatic, Lift-to-Lock and Key-Operated Functions

Technical Insights

Sep 7, 2026 Ivan.he

3 Point Locking System Guide: Automatic, Lift-to-Lock and Key-Operated Functions

3 Point Locking System Guide: Automatic, Lift-to-Lock and Key-Operated Functions TL;DR An automatic 3 point locking system projects its locking points when...

Read Article