Related Projects
At D&D, we understand that every property is different. That's why we offer customized solutions to meet your specific needs. Some of our related projects include
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
Choosing the right glass door hardware brands can make a big difference in how you feel at work or at home. You want your door to look great, but you also care about security and how long the hardware will last. The right hardware adds style and brings your design ideas to life. You get peace of min
You want the top fire door panic bar for safety in 2026. D&D Hardware is a leader with trusted choices. SentrySafetyHardware and Von Duprin are also good brands. You should pick panic bars with strong fire and security certifications. More people care about safety, so the market grows every year. Lo
A fire door panic bar lets people get out fast and safely in emergencies. It helps keep everyone in the building safe. Fire door hardware is very important for keeping doors locked and stopping fire and smoke. This can make the area cooler and safer. Good emergency exit devices and clear instruction
You can see small differences between panic bars, exit devices, and crash bars when you look at how each one works and follows safety rules. Panic bars help people open doors fast in an emergency. Exit devices include panic bars and crash bars, but also have other tools that meet the law. Crash bars
You want your school to be safe and follow rules. Certified fire rated door hardware helps keep students and staff safe. It slows down fire and smoke from spreading. These doors have special seals and materials. They block fire and smoke for a certain time. This gives people more time to leave the b
When you pick fire rated door hardware for multi-family units, choose products that are certified. Look for safety features like self-closing and positive latching. These features help keep doors safe in emergencies. Pick strong materials that do not rust or wear out fast. Make sure the hardware fit
Fire door systems are one of the most critical passive fire protection measures in modern buildings. They are designed to contain fire, limit smoke spread, protect escape routes, and provide occupants with vital time to evacuate. However, the effectiveness of a fire door system depends not only on t
Fire Rated Door Hardware: CE vs UL CertificationIn fire-rated door assemblies, door hardware compliance is not optional—it is a legal, safety, and liability requirement. Using non-certified hardware on a fire-rated door can invalidate the entire fire rating, exposing projects to inspection failure,
Introduction: Fire Testing Is a Stress Test for Door HardwareIn fire-resisting door assemblies, hinges and locks are not passive components. During an EN 1634-1 fire resistance test, these components are subjected to extreme thermal, mechanical, and structural stresses that go far beyond normal serv
Introduction: Cycle Testing Is a Measure of Real Service LifeIn professional door hardware specification, cycle testing is one of the most misunderstood performance indicators. While many products are labeled “heavy duty,” only standardized cycle testing can objectively demonstrate how long hardware
Introduction: Fire-Rated Hardware Is Applied Engineering, Not Just ComplianceIn a fire-rated door assembly, door hardware is part of the fire protection system, not a secondary accessory. Hinges, locks, closers, panic devices, and handles must perform under extreme heat, structural deformation, pres
You want to install a mortise lock and get it right the first time. The Euro Mortise Lock from D&D Hardware gives you strong security for any door. Grab the right tools, follow each step, and you'll have a lock that works smoothly and lasts for years.
Introduction: Why Fire Test Standards Are Not InterchangeableFire-rated door assemblies are regulated by different fire test philosophies in Europe and North America. While both aim to protect life and property, EN 1634-1 and UL 10C are not equivalent standards and cannot be used interchangeably.For
Introduction: Why Certification Choice Matters in Door HardwareIn the global door hardware industry, certification is not optional — it is a regulatory and engineering requirement. However, many project teams still ask the same question:Do we need CE, UL, or ANSI/BHMA certification?The answer depends on market location, building codes, fire safety requirements, and project type. Each certification system serves a different purpose, and misunderstanding their roles can lead to project rejection, inspection failure, or legal risk.
Introduction: Why EN 1935 Is the Core Standard for Hinges in EuropeIn European and CE-regulated markets, EN 1935 is the definitive performance standard for single-axis door hinges used on both fire-rated and non-fire-rated doors. Unlike generic product specifications, EN 1935 provides a quantified,
You need the correct door closer size for your door to ensure safety and smooth operation. Choosing the right size depends on your door’s width and weight, aswell as whether it’s for commercial or residential use. It’s important to consider regulations such as ADA opening force requirements and ANSI
The door hardware grading system shows how strong and good locks, hinges, and other hardware are. BHMA and ANSI make strict rules that most U.S. companies use, especially in business buildings. You can see what the grades mean in the table below:GradeDescriptionSecurity FeaturesGrade 1Highest Grade
You need to match the door hardware grade to your building’s usage, security needs, and budget. Choosing the right grade increases safety, durability, and compliance with regulations. The following table shows how different lock grades perform in safety tests, helping you understand why the right ch
UL 10C Fire Test Explained: How Door Hardware Must Perform in Fire-Rated AssembliesIntroduction: Why UL 10C Matters for Fire Door HardwareIn fire-rated door assemblies, door hardware is not an accessory — it is a life-safety component. Hinges, locks, closers, and exit devices must continue to functi
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