• Steel door slab only — hardware not included
  • Premium steel door — built for strength, made to last. Hardware not included.
  • Door swing chart — determine the handing of your door.
1 3
90 MIN FIRE RATED

30 x 72 Steel Door Slab, Single Cylindrical Prep – 20 Gauge, Fire-Rated - 90 Min

30 x 72 Steel Door Slab, Single Cylindrical Prep – 20 Gauge, Fire-Rated - 90 Min

SKU #: 3072SDOKINLH

$385.00 (EACH)
$385.00
In Stock Ships Same Day or Next Business Day
Door Swing
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Product Information

Door Overview
Exact Door Size 29-3/4" x 71-1/4"
Fire Rating 90 Minutes
Material 20-Gauge Galvanized Steel

Steel Door Specifications:
  • Insulated with honeycomb core
  • Galvannealed (standard)
  • Seven gauge hinge reinforcements
  • Reinforced 161 lock prep
  • Meets ANSI standards
  • Universal 4-1/2" hinge prep
  • Made in the USA
  • Inverted top and bottom channel

Fire & Code Compliance
UL Listed
FDNY Approved
NYC DOB
IBC Compliant

Fire Rating

90 Minutes (UL 10C) - Tested and certified for 90-minute fire protection. Suitable for commercial and industrial fire-rated openings.

Certifications & Standards

  • FDNY Certificate: Approved for installation in all NYC boroughs
  • NYC DOB Approval: Meets all Department of Buildings requirements
  • IBC/NFPA Compliant: Conforms to International Building Code standards
  • ANSI Certified: Meets ANSI A250.8 standards for commercial steel doors

Installation Guidelines

Required Tools:

  • Level (minimum 48")
  • Hammer drill with masonry bits
  • Screwdriver set or impact driver
  • Shims (wood or steel)
  • Safety equipment (gloves, glasses)

Installation Steps:

  1. Verify opening dimensions and ensure rough opening is plumb and square.
  2. Position frame in opening and secure with temporary bracing.
  3. Level frame using shims at anchor points.
  4. Install anchors per specifications (typically 12" from corners, 24" on center).
  5. Verify door operation before removing temporary bracing.
  6. Install fire-rated seals and threshold.
  7. Apply required labels and conduct final inspection.

Important: All fire-rated doors must be installed by licensed professionals in accordance with NYC building codes. Improper installation voids fire rating and warranty.

Material Specifications
Door Material 20-Gauge Galvanized Steel
Core Insulation Honeycomb
Finish Standard Galvannealed (Corrosion Resistant)

Trusted by thousands of happy customers

Installed in Brooklyn 12-unit building
Passed FDNY inspection
"Highly recommended."- Aj Peralta Easy transaction, fast courteous response and they offer discounts.Most importantly, they truly value their customers.Work done was excellent and product was great quality.I am ...
B "If I could give Universal 10 stars I would"- Brad Waltman If I could give Universal 10 stars I would, from their communication, quality of work, and their employees, I was genuinely impressed by them all. I had 2 doors installed in my ...
"As an Interior Designer I recently had the pleasure of working with the wonderful staff..."- Alexander Morrison I had commissioned them to design, fabricate, deliver and install a really beautiful Full French Motif Door for the main entrance to one of my clients Mix Use Residential build...
"Universal fire door made our door purchase so easy."- J.D. We told them what we needed and they worked with us to get our beautiful front entry door. We needed a high security option for our office front.Universal are thorough in their ...
F "We hired Universal Fireproof Doors and had a fantastic experience from start to finish."- Forever New Construction Inc. The entire team was professional, efficient, and reliable. A special shoutout to Lorena, who was absolutely amazing, knowledgeable, responsive, and a pleasure to work with. She ...
"True professionals!"- Zina L We needed - what else - fireproof doors. Called this place, they sent someone to take the measurements, we were provided with a quote, ordered the doors, they were manufactured...
C "I always have a great experience working with Universal."- Cassandra Metzger We have ordered several fire rated doors for our NYC properties and Lorena is a pleasure to deal with. They can usually provide an estimate for door replacements just with pictu...
"As the manager for my family building, I answer to a trust."- Evette Robledo I was a bit nervous about my choice to choose UFD. Truth of the matter is everything was handled with care, from customer service, estimate, fabrication and install. Any questio...
"Outstanding customer service and fair pricing"- tom king We have been using them for over 15 yearsFrom start to finish always a smooth processProfessional at its finest
"The workers were punctual, polite, and respectful of the property,"- Michael P their work was professional and much neater than I thought it would be considering the doorframe butted right up against new Sheetrock on the inside,which they didn’t leave a sc...
Read all reviews

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Professional Installation Services

Expert door and hardware installation for residential and commercial projects.

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Why Contractors Buy From Universal Fireproof Door

We're not a reseller — we're the main fabricators

  • Main Fabricators — Not a Reseller

    We manufacture every door in-house. No middlemen, no delays, no markup.

  • Made in New York

    Fabricated in Long Island, NY. Local pickup and same-day service available for NYC contractors.

  • Fast Turnaround on Standard & Custom Doors

    Standard doors ship in 24-72 hours. Custom orders? We can handle special sizes and specs quickly.

  • Bulk Order Discounts Available

    Multi-door projects? We offer competitive bulk pricing for contractors, property managers, and developers.

  • Special Requirements? We Can Fabricate It

    Non-standard sizes, custom preps, special hardware — we handle it all in our facility.

  • FDNY + UL Certified

    All doors meet NYC building codes and fire safety standards. Pass inspection guaranteed.

Need this fast or slightly different?

We fabricate in-house and can handle special sizes, preps, and requirements with quick lead times.

Call (718) 455-8442

Working on a Multi-Door Project?

We offer bulk pricing for contractors, property managers, and developers.

Call for Same-Day Quote

Get competitive pricing on orders of 5+ doors with fast turnaround

FAQs

What's the lead time for custom sizes?

3-5 Business days, Next day expedition available

Does this come primed or painted?

For an additional fee

Is installation included?

No