COMMERCIAL METAL DOOR FRAMES
Durable commercial door frames for wood, metal, interior, exterior, and fire-rated openings.
Commercial door frames provide the strength and support needed for wood and metal door openings. They are commonly used in offices, schools, warehouses, healthcare facilities, retail buildings, and industrial spaces.
Available options include welded frames, knock-down frames, sidelites, transoms, borrowed lites, double door frames, fire-rated frames, and commercial hardware prep.
- 16 gauge
- Knock down or welded
- Up to 3 hour fire rated welded frames (Glass by Others)
- Masonry, wood or metal stud walls
- Anchors for any wall type
- Commercial Grade
- fIRE rATED oPTIONS
- IN-HOUSE FABRICATION
- FAST QUOTES



Although we stock Steelcraft hinge locations, we have the ability to procure other hinge location frames in days, not weeks.
What's My Rough Opening?
Find what your rough opening would be here: Rough Opening Sizes

Door Frame Applications
Commercial door frames are commonly used in:
- Offices
- Schools
- Warehouses
- Healthcare facilities
- Retail buildings
- Apartments
- Hotels
- Government buildings
- Corridors
- Utility rooms
- Exterior entrances
Door frames can be used with wood doors, hollow metal doors, fire-rated doors, glass lite kits, louvers, and commercial hardware.
Knock Down (KD) Metal Door Frames
A knock down metal door frame is easy to assemble and used for commercial/industrial spaces. Made of metal, it is sturdy as well as wear-resistant. Additionly, comes in pieces and can be easily assembled on-site, lowering transportation costs and saving time. Screws and brackets hold it together and it can be adjusted to fit the door’s size.


Welded Metal Door Frames
A welded metal door frame encases and also supports a door, providing durability and resistance to wear, weather, and heavy use in residential, commercial and industrial buildings. It’s fire-resistant, secure and ensures proper functioning and safety of the door system.
Hollow Metal Transom Frame
A hollow metal transom frame supports windows or doors above openings. It consists of a horizontal transom, two vertical posts, and is hollow for easy glass installation. It’s also commonly used in commercial and industrial buildings for safety and sturdiness.


Hollow Metal Sidelite Frame
A hollow metal sidelite frame is a robust type of door frame for narrow windows, made of steel or aluminum with an interior cavity for wiring. Standard sizes and finishes are available, or also customization is an option. Ideal for commercial or industrial settings because of it’s durability and ease of installation.
Hollow Metal Borrow Lite Frame
A hollow metal borrow lite frame is a commercial door frame made of steel with a hollow center, making it lightweight yet strong. It’s ideal for fire-rated doors as it can withstand high temperatures without warping. It’s popular because it’s versatile and easy to install, coming in different sizes and designs to fit different doors. Often used in public buildings like schools and hospitals, it’s ideal where security and safety is a top priority.

Why Choose Commercial Metal Doors?
Commercial door frames are built for durability, proper fit, and long-term performance in high-traffic buildings. They help support the door, improve security, and keep the opening aligned.
Key benefits include:
- Strong commercial construction
- Fire-rated options
- Works with wood and metal doors
- Interior and exterior use
- Custom sizes available
- Hardware-ready designs
- Welded and knock-down options
- Sidelite, transom, and borrowed lite options
Build Your Metal Frame Quote
In House Fabrications
Our full-service welding and fabrication shop handles all your custom metal needs. Making Doors Unlimited Shop your top choice for its one-stop-shop advantage.
Offering custom hardware prep, welding, sidelites, transoms & borrow lites as well as windows.


