Business Details
50+ Years
experience
Custom Stainless Steel & Galvanneal Doors & Frames Manufacturer
National Custom Hollow Metal has been a trusted leader in manufacturing custom stainless steel and galvanneal doors and frames since 1974. As a family-owned business, we combine decades of expertise with cutting-edge technology, including our recently expanded capabilities with a second AMADA fiber laser cutting machine. Our team specializes in delivering high-quality, fire-rated, and specialty doorsincluding lead-lined, bullet-resistant, STC-rated, hurricane-resistant, and thermal doorsdesigned to meet the exacting demands of commercial, industrial, and institutional clients.With coast-to-coast shipping and industry-leading lead times, including Quik Ship, Hot Rush, and Walk Thru services, we prioritize customer satisfaction through precision craftsmanship, DHI-trained professionals, and personalized service. Every product is custom-built to specifications, ensuring durability, compliance, and seamless integration into diverse environments such as healthcare facilities, government buildings, and coastal infrastructure. Our commitment to innovation, quality, and rapid delivery has solidified our reputation as a preferred partner for over 50 years.
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 since 1974 with unmatched craftsmanship.
- Fastest delivery timeframes with Quik Ship capability.
- Made in the USA with 50+ years of industry experience.
- DHI-trained professionals ensure precise product execution.
- 2-hour quote times with coast-to-coast shipping.
Services
Stainless Steel Doors
Our stainless steel doors are engineered for durability and compliance in demanding environments. Constructed with 12-16 gauge Type 304/316 steel, they feature fire ratings up to 3 hours, polystyrene or honeycomb cores, and hardware reinforcements. Ideal for healthcare, government, and industrial facilities requiring corrosion resistance and long-term performance.
Hurricane Doors
Hurricane-resistant doors meet Florida Building Code and Texas Department of Insurance standards. Designed for coastal regions, these doors withstand extreme wind pressures and impacts. Available in stainless steel or galvanneal, they combine structural integrity with fire-rated options for commercial and municipal applications.
STC Doors
Sound Safe STC doors reduce noise transmission with ratings up to STC 51. Galvanneal or stainless steel options include gasketing seals and thermal breaks for hospitals, schools, and research facilities. Quick Ship and Hot Rush delivery options ensure fast turnaround for critical projects.
Bullet Resistant Doors
SafeShot bullet-resistant doors provide Level 3 protection for high-risk environments. Constructed with 12-gauge galvanneal or stainless steel, they meet ASTM A568 standards. Commonly used in government buildings, schools, and utility facilities to enhance occupant safety.
Custom Frames
Custom stainless steel and galvanneal frames offer design flexibility with structural integrity. Available in variable, stick, or drywall configurations, they support fire ratings up to 3 hours and include anchorage systems for wood, CMU, or concrete walls.
Questions
What materials are your doors made from?
Our doors are made from stainless steel (Type 304/316) and galvanneal steel, with optional lead lining, bullet-resistant layers, or thermal insulation.
Do you offer fire-rated doors?
Yes, we provide fire-rated doors with certifications up to 3 hours, including honeycomb or polystyrene cores for compliance.
What lead times do you offer?
Quik Ship (1-20 days), Hot Rush (1-2 days), and Walk Thru (1 day) options ensure fast delivery for urgent projects.
Can you create custom-sized doors?
Yes, we manufacture doors up to 5' wide and 12' tall, with custom shapes like hexagon, monorail, or sliding plate designs.
Are your products compliant with building codes?
Our hurricane doors meet FBC-2020 and TDI-DR-495 standards, and all products comply with federal and industry specifications.
