Our hinges are CE-marked and built in accordance with EN 1935, BS7352 and EN 1634-1 standards.
Tested as part of complete fire door assemblies for use on timber and steel fire doors.
Two ball bearing design, stainless steel construction, and 200,000 test cycles - delivering reliable performance in high-traffic public buildings.
Grade 304 stainless steel provides excellent corrosion resistance. Grade 316 is available for coastal or high-humidity environments.
Available in 4", 4.5", and 5" sizes with multiple finish options to match project requirements.
and panic exit hardware.
FAQ
Q1. What is the fire rating of your hinges?
DIROCK hinges have passed EN 1634-1 fire resistance testing: 240 minutes on steel fire doors and 60 minutes on timber fire doors. They are suitable for FD240 steel fire doors and FD30, FD60 timber fire doors. Full test reports are available upon request.
Q2. What hinge grade are your products rated to?
Our hinges are rated to Grade 13 under EN 1935, making them suitable for heavy-duty, high-frequency applications.
Q3. Are your hinges suitable for my project? Where can they be used?
Yes. Our fire safety door hinges are designed for public and commercial buildings, including hotels, healthcare facilities, educational institutions, airports, libraries, and other high-traffic environments where fire safety and long-term durability are critical.
Q4. What sizes do you offer?
We offer fire proof door hinges in 4 inch, 4.5 inch, and 5 inch sizes to accommodate standard and heavy-duty timber and steel door preparations.
Q5. What materials and finishes are available?
Standard construction uses Grade 304 stainless steel with a brushed finish. We also offer SS 316 and alternative surface treatments upon request to meet specific environmental or aesthetic requirements.
Q6. Are DIROCK hinges compatible with other
fire rated door hardware and hardware made by other brands?
Yes. Our hinges are engineered for full assembly fire rated doorsets and are compatible with EN certified mortise locks, lever handles, euro profile cylinders, door closers and panic exit devices, as well as hardware from other brands.
Q7. Do you provide OEM services for door hinges?
Yes. We support OEM customization including logo labeling, packaging, material specification (SS 304 or 316), surface finish, and size configuration to meet your project or branding requirements for hinges on fire doors.
Q8. Do you support large-volume procurement?
Yes. As an architectural door hinge manufacturer, we supply heavy duty fire door hinges in bulk with consistent quality control and global shipping for project-based and distributor procurement.
Q9. Can I get technical documentation, such as certificates, fire test reports, and DoP?
Yes. We provide CE certificates, EN 1634 1 fire test reports, and Declarations of Performance (DoP) for hinges. Click below to download the documents you need.
Partner with DIROCK for Your Next Project Whether you are specifying hardware for a new development, sourcing for a distributor network, or building a private-label collection,
contact our team for project-based order quotations, OEM customization, and full technical documentation. We provide the production capacity and compliance backing to support large-scale procurement and brand-specific requirements.
Email us at:
biz@dirock.com 
