
Hollow Metal Door Frames (Welded & Cut-and-Notch/KD)
- UL fire-rated label for life safety code
- 12 to 16 gauge steel construction options
- Quick-ship in 5-7 business days
UL Fire-Rated
NAAMM HMMA Compliant
Explore UL fire-rated hollow metal doors, frames, and engineered window assemblies designed for commercial life safety egress. Available in 18 to 12 gauge steel with welded or knock-down configurations, these assemblies accommodate sidelites, transoms, and specialty cores, meeting NAAMM/HMMA specifications for demanding structural and fire safety building applications.






Our hollow metal doors and frames feature UL fire-rated labeling and are built to comply with NAAMM/HMMA specifications. These products are engineered for commercial construction, fire safety egress, and life safety openings, providing verified performance for fire-rated doorway requirements.
Talk to our experts for custom solutions and tailored guidance.

Fire-rated doors and frame assemblies designed for standard doorways, corridors, and life safety egress requirements.

Specialized lead-lined and temperature rise core hollow metal assemblies for radiation shielding and fire safety.
Talk to our experts for custom solutions and tailored guidance.
Assemblies meet NAAMM and HMMA specifications with UL fire-rated labeling across doors, frames, and engineered sidelite and transom openings.
Manufactured in 18 to 12 gauge steel thickness with welded or knock-down assembly, custom profiles, and multiple performance core choices.
Dedicated direct delivery options with quick-ship production schedules ranging from same-day and one-day programs up to standard schedules.
Submit your door schedules and frame configurations to receive a detailed estimate from our experienced engineering and estimating team.
For immediate assistance, feel free to give us a direct call at (866) 893-3338. You can also send us a quick email at info@custommetalproducts.bz.
For immediate assistance, feel free to give us a direct call at (866) 893-3338. You can also send us a quick email at info@custommetalproducts.bz.