90-Minute Fire Rating
Self-closing
Commercial Steel Construction
Solid Panel Design
The NIXA 90-Minute Fire-Rated Steel Door is a commercial steel door and frame assembly designed for projects requiring a 90-minute fire-rated opening. The assembly features a solid steel door panel without vision glass, a steel frame, commercial keyed lever hardware, a surface-mounted self-closing device, and an automatic door bottom seal.
Available in White Oak and Gray factory finishes, the door combines commercial durability with a clean architectural appearance suitable for a wide range of commercial interiors.
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Designed for commercial openings requiring a 90-minute fire-rated assembly.Â
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Commercial keyed lever lockset with a U.S. standard key system for dependable everyday operation.
Surface-mounted self-closing device helps ensure controlled door closing after every use.Â
Steel door and steel frame construction built for commercial applications.Â
Full solid steel panel with no vision glass.Â
Full-height hinge engineered for smooth operation and long-term reliability.
Suitable for commercial buildings where a 90-minute fire-rated opening is required, including:
Office buildings
Schools
Healthcare facilities
Hospitality buildings
Utility rooms
Service corridors
Mechanical rooms
Electrical rooms
Designed for commercial buildings requiring a 90-minute fire-rated opening, this steel door and frame assembly combines dependable performance with a clean architectural appearance. Available in White Oak or Gray factory finishes, it includes commercial hardware and a surface-mounted self-closing system for code-compliant installations.Â
Commercial Keyed Lever Lockset
Surface-Mounted Self-Closing Device
Steel Panel Door
90 Minutes
Single Leaf / Right-Hand Outswing
1.2 mm Galvanized Steel Sheet
Your questions answered
The NIXA 90-Minute Fire-Rated Steel Door is designed for commercial applications requiring a 90-minute fire-rated door assembly. Its solid steel construction makes it suitable for a wide range of commercial buildings where fire protection and durability are essential.
The standard door size is 36″ × 80″ (914 × 2032 mm) with a 50 mm (2″) thick steel door, a 127 mm (5″) deep steel frame, and a frame constructed from 1.2 mm galvanized steel sheet.
The N100 uses a modern deadbolt system with an interior thumb-turn and exterior keyed access.
Yes. The standard hardware package includes a surface-mounted self-closing device and an automatic door bottom seal as shown in the product specification.
This door is available in two factory finishes:
White Oak – Gray
Two premium finish options designed to complement modern commercial interiors while maintaining the same 90-minute fire-rated steel construction.
A clean, contemporary gray finish designed for modern commercial spaces. Its understated appearance complements a wide range of architectural styles while maintaining the same durable steel construction and 90-minute fire-rated performance.
A warm wood-grain finish that brings a refined architectural look to commercial interiors. White Oak pairs the durability of a steel door with the timeless appearance of natural wood, making it ideal for offices, hospitality spaces, educational facilities, and other design-focused environments.
Designed to simplify installation while maintaining commercial-grade performance.
Steel door and galvanized steel frame are manufactured for reliable commercial performance.
Includes a commercial keyed lever lockset, surface-mounted door closer, and automatic door bottom.
Designed as a 90-minute fire-rated steel door assembly for commercial applications.
Standard hardware and a complete door assembly help simplify installation for commercial projects.
The NIXA 90-Minute Fire-Rated Steel Door combines durable steel construction, commercial-grade hardware, and reliable fire protection in a clean, professional design for modern commercial buildings.
