ANSI/BHMA A156.4-2024: Door Closers And Pivots
When slamming, banging doors kept interrupting services in the Boston Trinity Church, Mr. L. C. Norton created the first door closer in 1877. Coil springs and double-swinging…
Understanding BHMA Standards
Standards. Everyone’s talking about them—standard transmissions, dating standards, standard time, standard oil, standards of care, standard equipment, and standard poodles. The Builders Hardware Manufacturers Association…
ANSI/BHMA A156.19-2019 Power Assist/Low Energy Swing Doors
When a cowboy strolled into town, at least in those old movies, he would first head to the saloon and burst through its doors in…
ANSI/BHMA A156.27-2019: Standard for Revolving Doors
The American National Standard for revolving doors, ANSI/BHMA A156.27-2019: Power And Manual Operated Revolving Pedestrian Doors, helps make building entrances efficient and safe. For many,…
CAN/CSA A440.4-2019: Window, Door, & Skylight Installation
CAN/CSA A440.4-2019: Window, door, and skylight installation has been released. Doors, windows, and skylights serve as passageways to the outside world. These items, when installed…
ANSI/BHMA A156.25-2023: Electrified Locking Devices
People have wanted to protect their property for as long as they knew they had property. One way this demand is met is through a…