Article

Key Takeaway: For commercial and fire-rated buildings, door hardware certification is not an optional quality label — it is a strict regulatory and engineering requirement. Installing non-compliant hardware on fire-rated metal doors can lead to project rejection, failed safety inspections, and sever

In the rapidly evolving landscape of commercial construction, 2026 marks a pivotal year for life safety standards. For architects, contractors, and procurement managers, selecting the right door hardware is no longer just about "opening and closing"—it is about navigating a complex web of internatio

D&D Hardware is excited to announce our participation in the 139th Canton Fair, which will be held from April 15 to 19, 2026 in Guangzhou, China. We sincerely invite customers, partners, and industry professionals from around the world to visit us.

Fire-rated door hardware certifications and standards help keep your building safe in a fire. You need these certifications to follow the rules. If you pick products from a trusted fire rated door hardware manufacturer, your doors can stop fire for the right amount of time. Certified fire-rated hard

Imagine you run a busy office building. You know everyone’s safety depends on the doors. Doors must work right during an emergency. Certified fire rated door hardware stops fire and smoke from spreading. It makes sure doors close and latch the right way. This hardware must fit your building’s type a

You need to choose the right type, material, and certification for your heavy-duty hardware. Make sure it fits your security needs, door type, and the place where you will use it. Certified heavy-duty door bolts keep your building safe and help you follow safety rules. D&D Hardware has strong option

To install door barrel bolts on any door, start by gathering your tools and materials. You will need a drill, screwdriver, measuring tape, pencil, and a high-quality barrel bolt from D&D Hardware. Choose the right fasteners for your door type. Make sure your workspace stays safe and organized. D&D H

Choosing the right door stopper goes far beyond just preventing a door from hitting a wall. Especially in high-traffic environments or specialized spaces, door stoppers must meet durability, safety, and compatibility requirements across various door types and interior conditions.

If you live near the coast, salt and humidity can damage door hinges. You need a corrosion resistant door hinge that lasts in tough weather. Choose hinges made from 316 stainless steel with a strong finish. Always check for certifications like ANSI/BHMA, EN 1935, and UL 10C. D&D Hardware has certifi

The 2026 update in UL Lock Standards and Models introduces new regulations for locks. The UL 10C revision enhances security by making locks more resistant to break-ins and increasing the safety of digital and biometric locks. Manufacturers, installers, and users are required to comply with these upd