90 MIN FIRE RATED

32 x 84 Steel Door Slab, Mortise Lock Prep, 1 3/4 in Thick, 90 Min Fire-Rated, 20 Gauge | Universal Fireproof Door

Item Number: 63989295

$385.00 (EACH)

$385.00

In Stock Ships Same Day or Next Business Day

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Product Information

Door Overview

Exact Door Size 31-3/4" x 83-1/4"

Fire Rating 90 Minutes

Material 20-Gauge Galvanized Steel

Steel Door Specifications:

Honeycomb core insulated construction
Galvannealed steel (standard)
7-gauge hinge reinforcements
Reinforced lock prep (161 prep)
ANSI compliant
Universal 4-1/2 hinge prep
Made in USA
Inverted top and bottom channels

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:

Verify opening dimensions and ensure rough opening is plumb and square.
Position frame in opening and secure with temporary bracing.
Level frame using shims at anchor points.
Install anchors per specifications (typically 12" from corners, 24" on center).
Verify door operation before removing temporary bracing.
Install fire-rated seals and threshold.
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)

Why Buy Direct from Universal?

25% Savings
vs. distributors
Fast Delivery
same-day pickup on stock items
Expert Support
24/7 available

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

32 x 84 Steel Door Slab, Mortise Lock Prep, 1 3/4 in Thick, 90 Min Fire-Rated, 20 Gauge | Universal Fireproof Door