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42" x 80" Hollow Metal Door, NFPA 80, UL Listed, USA Made

Engineered for Compliance, Trusted by Inspectors.

42" x 80" Hollow Metal Door, LH Reverse, 18-Gauge Galvannealed Steel, NFPA 80 Fire-Rated Options, ADA & IBC Compliant, UL Listed, Prime Gray Finish, New Metal Stud Wall Anchor Frame, USA Made (3-4 Week Production)

SteelLite
$
Part Number: SLTM3668LHR
Inspection-Ready, Built to Spec, 3 to 4 Week Production

FREE SHIPPING ON ORDERS OVER $200

Steel-Lite™ 42" x 80" Hollow Metal Door, LH Reverse, New Metal Stud Wall Anchor Frame

Built for new construction projects, this USA-made Steel-Lite™ assembly deliversNFPA 80 Fire-Rated Options, ADA accessibility,IBC life-safety compliance, and documented UL/cUL listings. Fabricated from 18-gauge galvannealed steel with a prime gray anti-rust inhibiting finish. Typical production: 3–4 weeks.

Compliance & Listings

  • NFPA 80 Fire-Rated Options: Available when ordered as a complete labeled assembly (door, frame, and hardware).
  • ADA & IBC Compliant: Supports accessibility and egress requirements with proper hardware and field conditions.
  • UL/cUL Listings: Documented listings included with submittals for labeled assemblies.
  • ANSI/BHMA Grade 1 Prep: Factory reinforcements for spec-grade closers, locks, hinges, and exit devices.

Construction & Materials

  • Size & Handing: 42" x 80", LH Reverse.
  • Skins: 18-gauge galvannealed steel (A40/A60), prime gray finish for field painting.
  • Core: Polystyrene insulated core (non-rated)
  • Edges & Reinforcements: Interlocking seams with backing plates at lock, hinge, closer, and device locations.

New Metal Stud Wall Anchor Frame

  • Anchor frame designed for new metal stud walls under construction; sized to stud depth and drywall finish per submittal.
  • Includes steel stud anchors and base anchorage points for secure attachment.
  • Engineered clearances and reveals ensure a first-time fit and smooth inspection.

Typical Applications

  • Education and healthcare interiors: offices, corridors, and support spaces.
  • Government and civic facilities requiring documentation and labeled assemblies.
  • Commercial build-outs and mixed-use interiors needing inspection-ready solutions.

Key Specifications

BrandSteel-Lite™
Door Size42" x 80"
HandingLH Reverse
Material18-gauge galvannealed steel, prime gray finish
CorePolystyrene (non-rated); mineral core available per listing
FrameNew metal stud wall anchor frame (new construction)
ComplianceNFPA 80 options; ADA & IBC compliant; UL/cUL documentation
Hardware PrepFactory prepped for ANSI/BHMA Grade 1 hardware
Country of ManufactureUSA
Typical Lead Time3–4 weeks (standard configurations)

Dimensions

  • Outside Frame Dimensions: 46" Wide x 82" Tall
  • Rough Opening Requirement: 46.5" Wide x 82.25" Tall




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  • FAQ

    Frequently Asked Questions

Can I Buy From You?

Yes, anyone can purchase from Automatic Door and Hardware.

When Will I Receive My Order?

The time you receive your order is dependent on two factors: product lead time and the shipping method. A product lead time is the time it takes for our company to manufacture the product, package it, and prepare it for shipping. The product lead time is listed on each product, right above the "add to cart" button. Please note that product lead times can vary depending on supply chains and seasons. Please contact [email protected] before ordering if you need to meet a specific deadline. The shipping method is the transit time of the product. This is the time required for the freight carrier to pick the product up from our warehouse and deliver it to your location.

Does This Ship From China?

Automatic Door and Hardware is an American owned business located in Texas. We do not drop ship products from China.

I Need This Product But Can't Find The Right Configuration?

If you need a product but in a different hand or finish and cannot find that particular model then please contact [email protected]. One of our specialists can provide you the right product link to the appropriate product.

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Sales tax is dependant upon your state of residence. If sales tax applies to your state, you will see the amount in the checkout before you place your order. If you are a government facility, school, or university and are tax exempt, please contact [email protected] before placing your order to avoid paying sales tax.

Will This Work For My Application?

If you are ever in doubt if a product will work on your door or application, please contact [email protected] before placing your order. We want to get you the right products. Most of the time a simple email with one of our technical experts can clarify if the product will be suitable for you or not.

I Emailed A Question But Got No Response

Automatic Door and Hardware takes pride in our customer service team responding to email inquiries immediately. Most emails are replied to within minutes. However, our team only responds during normal business hours in the work week. If you have not received a response within 24 hours (not including weekends) please check your SPAM folder. Most likely the response is in there.

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