Hollow Metal Frames

Hollow metal frames are constructed from roll-formed steel with hardware reinforcements and wall anchors that can be welded-in or sold loose. Hollow metal frames are designed for use with commercial doors & windows, fire-rated windows & doors, side-lites, and transoms.

Frame Types

Hollow Metal Door Frame
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HM Door Frame

Hollow Metal Door Frame – 3 Sided Steel Door Frame

Hollow Metal Double Door Frame
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HM Door Frame - DBL

Hollow Metal Double Door Frame – 3 Sided Steel Door Frame for Paired Openings

Hollow Metal Door Frame - Transom
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HM Door Frame - TSM

Hollow Metal Door & Transom Frame – Steel Door Frame w/ Transom Lite Opening

Hollow Metal Door Frame - 1 Side-Lite
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HM Door Frame - SL1

Hollow Metal Door & Sidelite Frame – Steel Door Frame w/ Sidelite

Hollow Metal Door Frame - 1 Partial Height Side-Lite
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HM Door Frame - SLP

Hollow Metal Door & Sidelite Frame – Steel Door Frame w/ Partial Height Sidelite

Hollow Metal Door Frame - 2 Side-Lites
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HM Door Frame - SL2

Hollow Metal Door & (2) Sidelite Frame – Steel Door Frame w/ (2) Sidelites

Hollow Metal Window Frame - Borrowed
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HM Window Frame - BL

Hollow Metal “Borrowed” Wall Lite – Steel Framing for Inoperable Windows

Custom Hollow Metal Door Frame
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Custom Hollow Metal Frames

Order custom hollow metal door frames in 14- or 16- gauge steel

Hollow metal frames are constructed from roll-formed steel with hardware reinforcements and wall anchors that can be welded-in or sold loose. Hollow metal frames are designed for use with commercial doors & windows, fire-rated windows & doors, side-lites, and transoms.

Commercial Durability & Performance

Standard for Most Commercial Doors

16ga. | Extra Heavy-Duty

16 gauge hollow metal frames are used in heavy-duty and extra-heavy-duty commercial door assemblies.

14ga. | Max-Duty

14 gauge hollow metal frames are used in maximum duty commercial metal door applications.

Materials & Finishes

Standard for Most Commercial Doors

Steel Door Materials & Finishes

Cold Rolled Steel | Prime Coat

Cold rolled steel is made by adding tensile force to hot rolled steel sheets. The cold-rolling process increases density, hardens the steel, and produces a consistent surface that’s ideal for commercial window and door frames.

Standard for Most Commercial Doors

Steel Door Materials & Finishes

Galvanneal | Prime Coat

Galvanneal steel is produced when cold-rolled steel is dipped into liquified zinc then heated until a new zinc-iron alloy is created. Galveanneal steel door and window frames are known for their corrosion resistance and superior paint adhesion properties.

Steel Door Materials & Finishes

Galvanized | Prime Coat

Galvanized steel is produced when cold rolled steel is dipped in a hot zinc coating. Galvanized steel door frames are resistant to corrosion but offer poor paint adhesion compared to annealed steel frames.

Metal Frame Profiles

Standard for Most Commercial Doors

HM Frame Profile - A

Unequal Rabbet

Double rabbet frames accept doors, panels and glass inside one or more rabbets. Rabbets can be equal or unequal in size.

Standard for Most Commercial Doors

HM Frame Profile - B

Unequal Rabbet w/ Backbend Return

Backbend frame returns improve a double rabbetted frame’s ability to slip-over finished walls.

HM Frame Profile - CA

Cased Opening

Cased opening frames are used in pass through doorways and door applications where a stop cannot be used.

HM Frame Profile - E

Single Rabbet

Single rabbeted frames have one rabbet where a door, panel or glass can be mounted inside.

HM Frame Profile - G

Double Egress

Double egress frames allow bi-directional traffic flow through a paired door opening.

HM Frame Profile - M

Mullion | Double Rabbet

Double rabbet mullions divide door frames, side-lites, transoms and window frames into separate sections.

HM Frame Profile - N

Mullion | Single Rabbet

Single rabbet mullions divide door frames, side-lites, transoms and window frames into separate sections.

Metal Frame Anchors

Standard for Most Commercial Doors

DWC - Compression Anchor

Existing Wall | Compression

Compression anchors are used for knock-down door frames that slip-over existing walls. Outward force and the strength of the wall stabilize the door and frame.

Standard for Most Commercial Doors

Steel Door Frame - Punch & Dimple w/ Tube Anchor Backing

Existing Wall | P&D Tube

Punched holes allow for attachment to masonry or wood stud walls with countersunk expansion bolts or lag screws. Tube anchor backing prevents damage during installation.

Standard for Most Commercial Doors

Steel Door Frame - Universal / Wood Anchor

New Wall | Universal/Wood Stud

Universal / wood stud anchors attach directly to the metal or wood studs of an unifinshed wall. Drywall or other wall surfaces conceal the anchors inside the wall.

Standard for Most Commercial Doors

MWA - Masonry Wire Anchor

New Wall | Masonry Wire

Masonry wire anchors are designed for installation into new concrete or masonry walls. Frames using masonry wire anchors must be assembled before wall construction begins.

SSA - Steel Stud Anchor

New Wall | Steel Stud

Steel stud anchors allow a hollow metal frame to fasten to steel-studs with self-tapping metal screws. Frames with steel stud anchors must be mounted before drywall is installed.

MTA - Masonry "T" Anchor

New Wall | Masonry "T"

Masonry “T” anchors are used for installations in new concrete or masonry walls. Frames using masonry “T” anchors must be assembled and set in place before construction begins.

PDB - Punch & Dimple w: Butterfly Anchor

Existing Wall | P&D Butterfly

Punched holes allow for attachment to masonry or wood stud walls with countersunk expansion bolts or lag screws. Butterfly anchors prevent damage during installation.

ADJ - Adjustable Universal/Wood Anchor

New Wall | Universal/Wood Adjustable

Universal/wood stud anchors attach directly to the studs of unfinished walls. Adjustable anchors can be used to fit varying jamb sizes.

Recommended Use of Hollow Metal Frames

References & Options

SDI/ANSI: SDI-100-91/ANSI 250.8-03 | SDI-105-98/ANSI A250.11-01 | SDI-107-84/ANSI A250.6-03

SDI-111-09 Recommended Selection & Usage Guide for Standard Steel Doors, Frames and Accessories

SDI-112-08 Zinc-Coated (Galvanized/Galvannealed) Standard Steel Doors and Frames

SDI Drywall Slip-On Frames

111-F Recommended Existing Wall Anchors for Standard Steel Doors and Frames

SDI-110-09 Standard Steel Doors and Frames for Modular Masonry Construction

ANSI/SDI A250.13-2008 (R2018) Testing and Rating of Severe Windstorm Resistant Components for Swinging Door Assemblies for Protection of Building Envelopes

Intertek/Warnock Hersey Fire Testing

Neutral Pressure: CAN/ULC S104 | NFPA 252 | UBC7-2 (1994) | UL 10B

Positive Pressure: NFPA 252 | UBC 7-2 Part 1 (1997) | UL 10C

International Standards: BS 476 | EN 1634-1 | ISO 3008

Non-Fire Rated Openings: Hollow metal doors and frames are frequently used in non-fire rated commercial door openings.

20 MIN: 20 minute fire rated doors are used in 1-hour walls where smoke and draft control is a concern.

45 MIN: 45 minute fire rated doors are used in 1-hour corridors, room partition walls, or exterior walls that may be subject to moderate fire.

60 MIN: 60-minute fire rated doors are used in 1-hour walls that divide occupancies in buildings.

90 MIN: 90-minute fire rated doors are required in two-hour walls, stairwells, elevator shafts, boiler rooms and exterior areas with severe fire risk.

3 HR / 180 MIN: 180 minute, or 3-hour, fire rated doors are required in 4-hour walls that separate a large building, or multiple buildings into designated fire areas.

Commercial Metal Door Frames: Hollow metal door frames are frequently used with wood and metal commercial doors.

Fire Rated Windows and Doors: Hollow metal frames can be configured for use in fire-rated window and door applications.

Metal Side-Lite Frames: Hollow metal frames can be fabricated as sidelite frames and supplied with pre-cut glass stops.

Metal Transom Frames: Hollow metal frames can be fabricated as transom frames to accept glass above a door opening.

Borrowed-Lite Window Frames: Hollow metal borrowed lites are fixed-windows frames that may be divided by mullions.

Heavy-Duty Steel Door Frames: Steel doors and frames are built for heavy-duty commercial door applications.

TDI – Inland Zone 2: Texas Department of Insurance approved hurricane doors and frames are required in exterior door openings within zone two of the designated coastal region.

TDI – Inland Zone 1: Texas Department of Insurance approved hurricane doors and frames are required in exterior door openings within zone one of the designated coastal region.

TDI – Seaward Zone: Texas Department of Insurance approved hurricane doors and frames are required in exterior door openings within the designated seaward intracoastal zone.

Florida Building Code: Florida approved hurricane doors and frames are required in exterior door openings within the state of Florida. (Insufficient for properties in Miami-Dade County)

Miami-Dade County, FL: Miami-Dade approved hurricane doors and frames are required in exterior applications within the county of Miami-Dade, FL.

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Order hollow metal door and window frames for use in commercial buildings. USA Fire Door supplies non-fire rated and fire-rated commercial door products, directly to contractors and consumers throughout the US.

Order Standard or Custom Hollow Metal Door and Window Frames for use in Commercial Buildings

Shop for custom hollow metal door and window frames for use in atypical applications. USA Fire Door provides custom steel doors, custom wood doors, custom metal door frames, hardware keying services, and job-site delivery within the US.

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Order hollow metal door and window frames plus any additional commercial doors, frames, hardware, and glass for fire-rated windows & doors from one source. USA Fire Door provides project-based pricing, nationwide delivery, and a dedicated account manager to work one-on-one with you.

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