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36" x 84" ADA Building Code Compliant 18 Gauge Steel Door, Left Hand, 16 Gauge Knock Down Frame For Existing Metal Stud Wall With Drywall, ANSI and BHMA Compliant Black Hardware, Made In USA (3-4 Week Production)

Steel-Lite - Engineered for Compliance, Trusted by Inspectors.

36" x 84" ADA Building Code Compliant 18 Gauge Steel Door, Left Hand, 16 Gauge Knock Down Frame For Existing Metal Stud Wall With Drywall, ANSI and BHMA Compliant Black Hardware, Made In USA (3-4 Week Production)

$

Item Return Policy: Manufactured To Order (MTO), Not Returnable
Choose your options:
Frame Jamb Depth:
Door Louver
ADA Glass Window
ADA Glass Window:
Fire Rating:
Product Code: SMDKD-BK-3070-LH
Inspection-Ready, Built to Spec, 3 to 4 Week Production

Orders Over $200 Qualify for FREE SHIPPING!

Steel-Lite 36" x 84" ADA Building Code Compliant 18 Gauge Steel Door, Left Hand, 16 Gauge Knock Down Frame For Existing Metal Stud Wall With Drywall, ANSI and BHMA Compliant Black Hardware, Made In USA (3-4 Week Production)

The Steel-Lite 36" x 84" hollow metal door package (LH) combines rugged commercial-grade construction with modern matte black hardware for a clean architectural appearance built for today's commercial interiors. Designed for offices, retail storefronts, schools, medical buildings, and industrial facilities, this complete opening package delivers a professional high-end look while supporting critical life-safety and accessibility requirements.Built in the USA and engineered for inspection-ready performance, this opening is available with UL/cUL fire-rated configurations, factory preparations for ANSI/BHMA Grade 1 hardware, and compatibility with NFPA 80, ADA, and IBC code requirements when properly specified.

Premium Matte Black Commercial Hardware

Unlike standard commercial openings that use basic aluminum or stainless finishes, this Steel-Liteâ„¢ package features modern matte black commercial hardware designed to elevate the appearance of the entire opening while maintaining heavy-duty commercial performance.

  • Commercial-grade matte black lever lockset
  • Heavy-duty matte black door closer
  • Matte black ball-bearing hinges
  • Modern architectural appearance for offices and retail spaces
  • Perfect for contemporary commercial interiors and storefront applications
  • Factory reinforced for commercial-grade hardware installation

The black hardware finish creates a premium designer appearance while maintaining the durability required for high-traffic commercial environments.

Compliance & Listings

  • NFPA 80 fire-rated assembly options available with UL/cUL labeled doors, frames, and listed hardware configurations.
  • ADA-compliant opening compatibility when paired with compliant thresholds, hardware, and proper installation practices.
  • Designed to support IBC life-safety and egress requirements for commercial corridors, offices, tenant improvements, and rated wall assemblies.
  • Factory prepped and reinforced for ANSI/BHMA Grade 1 commercial locks, closers, hinges, and exit devices.
  • Built for inspection-ready commercial applications where code compliance and long-term durability matter.
âš  Compliance Matters

Many low-cost imported commercial doors sold online are not properly reinforced, lack traceable fire-label documentation, or are supplied with non-certified commercial hardware.Installing non-compliant openings can:
  • Fail commercial building inspections
  • Violate NFPA 80 fire door requirements
  • Create ADA accessibility issues
  • Lead to premature hardware failure
  • Require expensive field corrections or replacement
Steel-Liteâ„¢ commercial openings are designed for professional commercial applications where reliability, documentation, and code compliance matter.

Note: Final code compliance is determined by the complete assembly as installed in the field. Verify local AHJ requirements and approved hardware schedules prior to ordering.

Construction & Materials

  • Size & Handing: 36" x 84", LH
  • Door Construction: 18-gauge galvannealed steel with durable prime-painted finish ready for field paint.
  • Core: Energy-efficient insulated polystyrene core (non-rated configuration).
  • Reinforcements: Heavy-duty internal reinforcements at hinge, lock, closer, and hardware mounting locations.
  • KD Drywall Frame: Commercial knock-down drywall frame designed for fast installation on steel stud or wood stud walls.
  • Commercial Use: Suitable for offices, tenant buildouts, warehouses, schools, medical facilities, and retail applications.
  • Weather Protection: Compatible with commercial thresholds, sweeps, and perimeter seals for improved environmental control.

Dimensions

  • Door Size: 36" Wide x 84" Tall
  • Outside Frame Dimensions: 40" Wide x 86" Tall
  • Recommended Rough Opening: 38" Wide x 85" Tall

What Comes With This Steel-Lite Door Package

  • 1 - 36" x 84" 18 Gauge Steel Door: hollow metal door with insulated polystyrene core, reinforced hinge, lock, and closer locations.
  • 1 - 16 Gauge Knock Down Drywall Frame: Designed for installation into an existing metal stud wall with drywall.
  • 1 - Heavy Duty Black Commercial Door Closer: ANSI/BHMA A156.4 Grade 1 rated closer designed for high-use commercial openings. Features a cast-iron style body, forged steel arm, adjustable spring power, low-friction bearings, non-handed cover, and fasteners. Meets ADA reduced opening force requirements when properly adjusted and installed.
  • 1 - Grade 1 Black Commercial Lever Lock: Heavy duty cylindrical lever lock designed for new construction and retrofit commercial openings. Built for extreme durability with resistance to abusive lever torque, pry attacks, lever droop, and long-term cycle wear.
  • 1 - Black Commercial Door Sweep: Aluminum retainer with densely compressed nylon brush seal. Helps reduce light, air, wind, rain, snow, smoke, fumes, heat loss, and pest infiltration. Flexible brush conforms to surface irregularities and remains flexible in low temperatures.
  • 1 - Charcoal Frame Gasket Seal Set: Commercial perimeter gasket seal designed to help seal gaps around the door frame. Punched with slotted adjustment holes for easier installation and alignment.
  • 1 - Black ADA Compliant Door Threshold: 5" wide x 1/2" tall low-profile flat saddle threshold made from thick, durable metal. Provides an ADA accessible transition for commercial openings and helps create a smooth walking surface.
  • Commercial Mounting Hardware: Includes required fasteners for the supplied door hardware components.

Note: Final code compliance depends on the complete installed assembly, field conditions, hardware adjustment, threshold height, floor conditions, and local AHJ requirements.

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