
Engineered for Extreme Environments. Built for Life Safety.
STRONG DOORS. SAFE SPACES.
Precision-manufactured fire-rated steel doors, cleanroom systems, acoustic enclosures, and heavy architectural openings. Designed and tested to exceed stringent global fire safety and life protection standards.
High-Performance Engineered Openings
Manufactured by Bihari Steel Solutions Pvt. Ltd. to rigorous international safety, acoustic, and structural benchmarks for commercial, industrial, and healthcare projects.

METAL FIRE DOORS
Heavy-duty galvanised steel fire doors engineered with perimeter intumescent seals, panic exit hardware, and reinforced structural frames.

WOODEN FIRE DOORS
Architectural natural timber fire doors combining aesthetic elegance with certified fire resistance for commercial offices, hotels, and institutional facilities.

ACOUSTIC DOORS
Engineered high-density sound reduction doors with heavy mechanical perimeter drop seals for auditoriums, studios, and mechanical plant rooms.

FIRE HOSE CABINETS
Heavy-gauge galvanised steel emergency fire hose and extinguisher cabinets designed for quick emergency access in commercial and industrial complexes.

GLAZED FIRE DOORS
Precision steel framed fire barrier glass doors offering maximum natural light transmission while delivering certified fire integrity and heat insulation.

CLEAN ROOM DOORS
Seamless flush pharmaceutical doors designed for zero air leakage, antimicrobial compliance, and high chemical resistance in sterile environments.

LEAD LINED DOORS
Continuous lead-shielded doors engineered to block harmful radiation for hospital X-ray rooms, CT scan suites, and diagnostic medical facilities.

SHAFT DOORS
Fire-rated steel access doors designed for vertical duct risers, electrical conduits, and plumbing shafts with secure latching systems.

FLUSH DOOR
High-durability solid core flush doors built for high-traffic corridors, educational institutions, commercial offices, and utility spaces.

STEEL DOORS WITH WOODEN FINISH
Uncompromising heavy steel structural strength with authentic architectural wood grain texture for executive entrances and luxury villas.

STEEL DOORS WITH WOODEN FINISH WITH EMBOSS
Heavy-gauge galvanised steel doors featuring deep 3D embossed geometric and traditional patterns fused with rich wood grain textures and multi-point locking.

UPVC DOOR
High-performance multi-chamber UPVC door systems providing superior thermal insulation, sound dampening, and complete corrosion resistance.

UPVC WINDOW
Precision-extruded UPVC window frames engineered for multi-point locking security, acoustic comfort, and maximum weather resistance.

CABLE TRAY
Industrial-grade cable management containment systems manufactured from heavy-gauge hot-dip galvanised steel for power and data distribution.

ALMIRAH
Heavy-gauge reinforced industrial steel storage almirahs and locker cabinets designed for secure tool, record, and document archiving.
Schedule a Consultation with Our Engineering Team
Connect directly with our senior structural and fire safety engineers. We review architectural door schedules, fire-rating certifications, hardware specifications, or arrange a scheduled visit to our manufacturing plant.
BOQ schedules and CAD submittals analyzed within one business day.
In-person inspection of our CNC laser cutting, bending, and assembly bays.
Why Industry Leaders Choose DORPRIME
Manufactured by Bihari Steel Solutions Pvt. Ltd., our steel openings combine two decades of precision fabrication with life-safety compliance trusted across commercial towers, industrial parks, and healthcare developments.
UL 10C & Global Fire Certifications
Every fire-rated door is engineered and tested to internationally recognized fire endurance benchmarks (UL 10C, EN 1634-1, BS 476, and IS 3614) delivering up to 240 minutes of proven integrity and thermal insulation.
In-House Automated CNC & Laser Plant
Manufactured inside Bihari Steel Solutions' advanced production facility using high-precision CNC fiber laser cutting, multi-axis bending, and automated assembly bays for zero-tolerance door and frame alignment.
Custom Architectural Flexibility
We adapt to complex architectural specifications without compromising certification—including custom vision panels, lead lining for radiation suites, acoustic cores, and decorative wood finishes.
Rigorous QA & Metallurgical Traceability
Backed by an ISO 9001:2015 certified quality management system. Every door leaf, frame profile, and hardware batch comes with factory test certificates, metallurgical mill reports, and warranty backed support.
Official Certifications
Audited and certified by accredited national and international authorities for quality, environmental safety, and structural manufacturing integrity.





