Why are Self Closing Fire Door Hinges Critical for Achieving Building Safety
Quick Answer Yes, fire doors are required to be self-closing under NFPA 80. They must close and latch reliably from fully open, with most jurisdictions [...]
Wind Keeps Blowing Door Open: How to Fix a Fire Door That Won’t Stay Shut
"The fire safety door of the hotel is easy to be blown open in windy weather, but it cannot be locked. How to solve it?" [...]
ADA Force vs Fire Door Latching: How to Solve the Code Compliance Conflict
You have a fire-rated door in a hospital corridor. The fire marshal says it must positively latch every single time. The ADA consultant says it [...]
5 Warning Signs a Fire Door Spring Hinge Is About to Fail Inspection
Fire door spring hinges are easy to overlook until inspection day arrives and a deficiency report lands on your desk. NFPA 80 §5.2.1 requires every [...]
UL Certified Door Hinges: Tested for 4 Hinge, 8 Foot Fire Doors
The widely referenced ANSI/BHMA A156.17 standard for self-closing hinges and pivots, for example, specifies testing with three hinges. That works well for typical commercial doors. [...]
Self Closing Door Hinges for Door Not Closing Flush
When managing a high-rise residential project, one of the most frustrating issues is a door that won’t close flush. This is especially common near elevator [...]
Why Metal Door Hinge Shims Are Essential for Fire Door Safety
In fire-rated door assemblies, even a minor misalignment can mean a failed inspection or compromised safety. That’s why metal door hinge shims matter. Unlike plastic [...]