Business Details
50+ Years
experience
Custom Stainless Steel & Galvanneal Doors & Frames Manufacturer
National Custom Hollow Metal has been a family-owned manufacturer of commercial and industrial stainless steel and galvanneal doors and frames since 1974. Our commitment to quality craftsmanship and innovation has established us as an industry leader, serving diverse sectors including healthcare, education, government, and industrial facilities. With a focus on precision engineering and customer satisfaction, we utilize advanced manufacturing technologies like AMADA fiber laser cutting machines to deliver custom solutions meeting rigorous standards. Our team of trained professionals works closely with organizations such as DHI, NAAMM, Underwriters Laboratories, and Warnock Hersey to ensure compliance with fire ratings, safety protocols, and industry specifications.We pride ourselves on short lead times through Quik Ship, Hot Rush, and Walk Thru delivery services while maintaining superior durability and aesthetic quality in every product. Our certifications from Underwriters Laboratories and Warnock Hersey validate our ability to meet 20-minute to 3-hour fire rating requirements. Located in Little Rock, Arkansas, we combine old-school customer service with state-of-the-art manufacturing to provide coast-to-coast solutions for custom hollow metal door and frame applications.
Services
Stainless Steel Doors
Galvanneal Doors
Lead-Lined Doors
Bullet Resistant Doors
STC Doors
Thermal Doors
Hurricane Doors
Custom Doors
Stainless Steel Frames
Galvanneal Frames
Details
- Year established: 1974
Highlights and features
- Family-owned manufacturer since 1974 with industry-leading expertise
- Fastest delivery timeframes with Quik Ship, Hot Rush, and Walk Thru options
- DHI Trained Professionals for specialized door and frame requirements
- UL and Warnock Hersey certified fire-rated door and frame solutions
- Made in the USA with ASTM-compliant stainless steel and galvanneal materials
Associations and certifications
- Underwriters Laboratories
- Warnock Hersey
Services
Stainless Steel Doors
Our stainless steel doors combine durability with aesthetic appeal for commercial and industrial applications. Constructed from 12-16 gauge Type 304/316 steel, they meet fire ratings up to 3 hours and withstand harsh environments. Available in custom sizes up to 4'10" width and 12' height with polystyrene, honeycomb, or vertically stiffened cores.
Galvanneal Doors
Galvanneal doors feature self-extinguishing polystyrene cores between CR A-60 steel facings for superior thermal insulation. Available in 18-12 gauge thicknesses with fire ratings up to 180 minutes, these doors suit institutional, industrial, and residential applications with custom sizes up to 4'10" x 12'.
Bullet Resistant Doors
Safe Shot Level 3 ballistic doors protect against .44 Magnum rounds for government facilities, schools, and high-risk commercial locations. Constructed with 12-gauge galvanneal or stainless steel, available in single/pair configurations up to 50" x 120" with UL-certified protection.
STC Doors
Sound Safe STC doors achieve ratings from STC 34-51 for education, healthcare, and government facilities. Galvanneal and stainless steel options include gasketing seals and thermal breaks for acoustic performance with quick ship options available in 5-10 days.
Hurricane Doors
Wind Storm hurricane doors comply with Florida Building Code and Texas TDI specifications for coastal regions up to 50 miles inland. Available in stainless steel and galvanneal constructions with design pressure ratings for commercial exterior entrances and first responder facilities.
Questions
What fire ratings do your doors achieve?
Our doors meet 20-minute, 45-minute, 1.5-hour, and 3-hour fire ratings through UL and Warnock Hersey certifications with appropriate core materials.
Can you manufacture custom-sized doors?
Yes, we produce custom doors up to 5' width x 12' height for standard construction and 10' width x 12' height for specialized frames.
What delivery options are available?
We offer Walk Thru (1-day), Hot Rush (1-2 days), and Quik Ship (1-20 days) delivery options for urgent project timelines.
Do you provide matching door frames?
Yes, we manufacture stainless steel and galvanneal frames with fire ratings, thermal breaks, and acoustic seals to match all door types.
Are your products made in the USA?
All doors and frames are proudly manufactured at our Little Rock, Arkansas facility since 1974.