36" x 84" Right-Hand Knock-Down Steel Door Frame

Commercial Grade • Easy Installation • Built to Last

Upgrade your opening with a heavy-duty knock-down (KD) steel frame designed for fast installation and long-term performance. Built for both commercial and residential projects, this frame delivers strength, precision, and a clean, professional finish—without the hassle.

Ideal for interior drywall applications, this frame is prepped and ready to save time on-site.

Key Features

• Heavy-Duty Steel Construction – Built for durability in high-traffic environments
• Prepped for Hardware – Reinforced for standard 3" x 4-1/2" hinges
• Knock-Down Design (KD) – Ships compact, assembles quickly on-site
• 2" Face Trim – Clean, professional finished appearance
• UL Labeled – Meets fire-rated and code compliance requirements

Specifications

• Size: 36" x 84"
• Handing: Right-Hand
• Material: Hollow Metal Steel
• Door Compatibility: 1-3/4" thick doors (steel or wood)
• Wall Type: Interior Drywall
• Jamb Depths Available: 3-3/4", 4-7/8", 6-1/8"
• Face Trim: 2"
• Gauge 14 

Ideal Applications

• Commercial buildings
• Apartment complexes
• Offices & retail spaces
• Schools, healthcare & institutional projects

Built by Universal Fireproof Door

Over 90 years serving NYC with code-compliant, commercial-grade door solutions trusted by contractors and property managers.

Need Help?

Not sure if this is the right frame?
Chat with our team or request a quote—we’ll make sure you get exactly what your project needs.