Building safety relies heavily on small components that most people overlook on a daily basis. One of the most critical elements of any commercial or residential building is the fire door lock. When a severe emergency strikes, standard hardware easily melts, warps, or fails under extreme heat.
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D&D Hardware manufactures CE-certified EN12209 mortise locks engineered specifically for commercial fire doors. With 260-minute fire resistance, solid SUS304 stainless steel construction, and 18+ years of OEM/ODM expertise, we are the trusted manufacturing partner for fire-rated metal door manufacturers worldwide.
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When you walk through a commercial building, you probably do not pay much attention to the hardware holding the doors in place. Most people overlook these small metal components entirely. However, these hidden elements play a massive role in building safety. If a disaster strikes, the right hardware can make the difference between a contained hazard and a widespread catastrophe.
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The door scheduling is suitable to the design which is belong to designer. The designers must have concept of design, and then find the door hardwares which meet the design's requirement of designers.1.FactorsThe location of doorThe functions of inter door and outer doorThe situations of safetyThe s
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The hinge, an important component of the door, is related to its function and service life. With the increasing variety of functions, hinges come in a variety of specifications, but it is also important to ensure the safe use of hinges after retrofitting or replacement. Let's find out how to install
READ MORE The lock cylinder is an important part of the lock, and it is the main part that controls the unlocking of the lock. The lock core and the key can rotate and drive the core of the lock bolt. The main function of the lock cylinder is to twist the square tongue of the mortise lock, starting the inclin
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