Choosing the right commercial door hinge depends on four core factors: door weight, door height, usage frequency, and fire protection requirements. The four main types used in commercial applications are butt hinges, pivot hinges, continuous hinges, and concealed hinges — each suited to different en Read More

The short answer: Use a butt hinge for standard-weight commercial doors where simplicity and cost-efficiency matter. Use a pivot hinge — specifically an offset pivot hinge — for heavy, oversized, or architecturally prominent doors that demand higher load capacity, wider swing angles, and a cleaner v Read More

A UL 3-hour fire rated hinge is a door hinge that has been independently tested and listed under UL 10C to withstand fire exposure for a full three hours without structural failure. For commercial buildings, fire rated hinges are not optional hardware upgrades — they are a code-mandated component of Read More

Choosing the right commercial door lock depends on your door type, traffic volume, security requirements, and budget. The three most common commercial door lock types are mortise locks, cylindrical locks, and exit devices (panic bars)—each suited to different applications and performance demands.Thi Read More

A delayed egress panic bar is a specialized exit device that holds a door locked for a short, code-regulated period — typically 15 seconds — after pressure is applied to the push bar, while simultaneously triggering an audible and visual alarm. When a genuine fire emergency occurs, the device releas Read More

BS EN 1303 is the European standard that classifies lock cylinders across six security grades—covering durability, corrosion resistance, key security, and attack resistance. Choosing the right EN 1303 cylinder grade for a commercial door depends on the threat level, door type, and whether the Read More

A classroom function lock can be locked or unlocked from outside with a key, while the inside lever always allows free exit. A storeroom function lock keeps the outside lever permanently locked—requiring a key for every entry—while the inside lever always opens freely. Choose classroom Read More

A UL 3-hour fire-rated lock is door hardware tested to maintain its integrity for up to 180 minutes during a fire, certified under standards like UL 10C and UL 305. These locks belong on stairwell, corridor, and other openings in fire-rated walls, where they keep fire and smoke contain Read More