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
When selecting the best hinges for your project, it's essential to consider your specific needs. The choice between stainless steel vs. aluminum hinges can significantly impact your decision. Stainless steel is favored globally, accounting for nearly half of the market, due to its excellent corrosio
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 want your commercial door hinges to stay strong and look nice. Surface finishing stops hinges from getting rusty or worn out. It also makes every hinge look cool. Tests show good finishes help hinges last through 200,000 open-close times. They also keep hinges safe from rust with high marks. The
When considering your Stainless Steel Hinge Selection: 304 vs. 316, it's important to note that 316 stainless steel excels in resisting rust. This superior performance is due to the presence of molybdenum in 316 stainless steel, which effectively combats rust in salty or harsh environments.The PREN
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 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,
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
You want the best protection for your building. Top choices for 2026 include the D&D Hardware fire rated hydraulic door closer, trusted for both homes and businesses. Fire-rated doors with certified hardware help keep people safe and meet strict rules. Products that follow UL, CE, and ANSI standards
Euro mortise locks have become a core component in modern architectural door systems, widely used in commercial buildings such as offices, hotels, hospitals, and public infrastructure. Their popularity comes from a combination of mechanical strength, fire compliance, and long-term durability, making
Lock cylinders play a critical role in modern door security systems, especially in commercial and large-scale construction projects. While often overlooked compared to door handles or smart locks, the lock cylinder is the core mechanical component that determines access control, durability, and safe
When you buy Door Hardware, you should know your door. Here is different types of steel door.
Metal doors, most commonly used in buildings, have changed from being used outdoors to being used indoors (instead of wooden doors).Hardware is the most important determinant of Metal Door Quality. Let's introduce the hardware commonly used for Metal Doors.
There are four structures classification of steel door in the article. We can learn about the form welding, paper card honeycomb, stiffened door and solid core.
The passage mainly tells you the components of steel door from four aspects. There are infill, door leaf, door frame and finish. Hoping you can get knowledge about steel door in here.
How do you choose Metal door hardware? Many people are confused with the choice of metal door ironmongery. Metal door hardware includes Door Hinges，Lever Handles, Mortise Locks, Pull plates,Door Closers,Panic Exit Devices, Flush Bolts, Door Stoppers, Sealing Strips and so on. The ironmongery for metal door also needs different functions corresponding to the differ ent places where the metal door is located. Hardware is the most important determinant of Metal Door Quality.This is also a problem that people are perplexed in choosing hardware. This article aims to show you how to choose the right Metal Door Hardware.
Interior doors is anywhere in our daily life, they are used as building materials frequently, so the door hardware must strictly pass quality test. Consumers should pay more attention to the concept of green environmental protection, because there are many people choose and buy the aluminum alloy interior door. In addition to the quality of interior door, the door body and small hardware play an important role. We have to choose the high quality and suitable door hardware; don't choose bad hardware lower the quality of the door.
When purchasing door handles, how to decide to pay for the brand? How to choose a suitable and cost-effective handle? In a word, the handle measurement should be adjusted according to local conditions.
Metal doors, most commonly used in Education, Healthcare, Hotel, Government and Commercial buildings. The greatest feature of metal doors is durability, because they are made of stainless steel or steel. It has strong anti-theft and anti-wear properties.
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.
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.