Metal Door & Hardware Information

For commercial hollow metal door manufacturers and architectural specifiers operating in North American markets, UL certification represents the definitive standard for fire safety. A UL-listed fire door is only compliant when every piece of hardware installed on it carries matching UL certification

In the demanding field of commercial construction and fire safety, the integrity of a fire-rated hollow metal door is only as strong as its weakest component. For manufacturers and contractors specifying doors to the rigorous British Standard BS 476, selecting the correct hardware is not merely a ma

You want durable door hinges that last a long time. In 2026, reports say Allegion plc, Hager Companies, Blum Inc., and D&D Hardware are very durable. Picking hinges with world certifications is important for safety and quality. D&D Hardware is special because it has CE, UL, and ANSI/BHMA A156.1 cert

You need a stainless steel hinge for heavy outside doors or doors in busy spots. Stainless steel hinge gives strong support and helps the door move smoothly. Ball-bearing hinges make doors open and close without trouble. Pick 304 or 316 grade for better rust protection. D&D Hardware sells stainless

Here are the top 10 suppliers for architectural door hardware in 2026:D&D HardwareAssa AbloyAllegionBaldwinDorma (dormakaba)EmtekHafeleFormaniCopper Creek HardwareBohle & C.R. LaurencePicking the right door hardware supplier helps you get good security and long-lasting use. Certified products make y

Order heavy-duty hardware for new metal door installations by selecting products that adhere to safety regulations. You need certified door hardware to ensure your building's security and maintain the strength of your door over time. D&D Hardware offers options specifically designed for metal doors,

Door hardware is an essential piece of equipment in everyday life. It comes in many varieties and is usually used in conjunction with door locks, providing a lot of convenience and security for people's safety and daily living. This article will give a brief introduction and analysis of door hardwar

These standards are recommended by the Hollow Metal Manufacturers Association as representing the long accepted usual preferences of both architects and users under normal conditions of use. Under some circumstances these standard locations are inadvisable for certain items based on accessibility codes. For example, a lower position for the deadlock is possible, when intended usage by small children or handicapped persons necessitates require positioning the user handled items in other than these recommended standard locations.

Among the many benefits of custom hollow metal is the virtually unlimited choice of hardware that can be used. The architect is free to select those items which will provide the operational features, aesthetics, and quality desired, such as the use of electrical hardware, pivots or anchor hinges, concealed closers, concealed vertical rod devices, separate deadlocks, preassembled locks, and other architectural hardware.

A door, a building entrance or exit, or a device that can be opened and closed at the entrance and exit, is an entity that divides a limited space and can connect and block the entrance and exit of two or more spaces. Doors can be classified into interior doors and exterior doors. Functionally speaking, interior doors generally refer to bedroom doors and office doors, and exterior doors generally refer to security doors and fire doors.