KD Drywall Frame

3 piece knocked down – wraps wall

Starting at $115


KD Masonry Frame

3 piece, knocked down

Starting at $105


Welded Frame

for block or stud walls

Starting at $128


Cased Opening Frame

flush frame, without stops

Starting at $105


Prefinished Steel Frame

Timely interior frames – in 4 colors

Starting at $99


Borrowed Lite Frame

steel window frame

Starting at $199


Sidelite Frame

with glass or steel panels

Starting at $199


Transom Frame

with glass or steel panel

Starting at $199


Double Egress Frame

opposite stops and rabbets

Starting at $205

Nationwide Delivery!

Commercial Steel Door Frames

Frames are manufactured to accommodate any wall condition, including masonry, steel, and wood stud. A wide variety of frame anchors are available.

  • Stock Single Widths: 2’0″ to 4’0″ – Heights: 6’8″ to 8’0″
  • Available KD (3-Piece Knock Down) or WGS (Assembled, Welded and Ground Smooth)
  • Manufactured from Cold Rolled Steel (Galvanized Available)
  • 16 Gauge Steel Standard (14 and 12 Gauge Available)
  • Exact Fit Mitered Corners
  • Fire-Rated- 20-Minute to 3-Hour (UL or Warnock Hersey Intertek Label)
  • 4-3/4″ to 9-1/2″ Jamb Depths Standard (Custom Depths Available)
  • Factory Applied Baked-On Rust Inhibiting Primer
  • All Frames Made in the USA

Trudoor is an authorized WHI fire-labeled shop (Warnock Hersey / Intertek), enabling us to modify, re-certify and label fire-rated doors and frames.

Frames available with hardware prep locations from all manufacturers, including: Steelcraft • Curries • Ceco • Republic • Mesker • Pioneer • DeanSteel

made-in-usa

Custom Hollow Metal Frames

We fabricate custom hollow metal frames to fit any size opening, including borrowed lite, sidelite and transom frames of any profile. Frames are available in virtually any jamb depth or profile and can be welded or made as knocked down frames.

Glazing beads and screws provided for Lite and Transom Frames • Glass provided for Lite and Transom Frames (clear fire-rated glass and wire safety glass options) • Steel Panels provided for Transom Frames • Fire Rated Borrowed Lite, Sidelite and Transom Frames

Custom Face Sizes, Throat Sizes and Profiles Available Upon Request, Including Single Rabbet and Equal Rabbet.

Masonry Frame

Drywall Frame

Mullion

Cased Opening Frame

Measuring for Frames that Wrap Wall

Stud Type
Stud Size
Drywall on each side Wall Thickness (Throat Size) Jamb Depth (Profile)
Wood
2″ x 4″(3-1/2″)
5/8″ 3-1/2″ + 1-1/4″ = 4-3/4″ 5-7/8″
Wood
2″ x 4″(3-1/2″)
1/2″ 3-1/2″ + 1″ = 4-1/2″ 5-1/2″
Wood
2″ x 6″(5-1/2″)
5/8″ 5-1/2″+ 1-1/4″ = 6-3/4″ 7-3/4″
Wood
2″ x 6″(5-1/2″)
1/2″ 5-1/2″ + 1″ = 6-1/2″ 7-1/2″
Steel
2″ x 3″(2-1/2″)
5/8″ 2-1/2″ + 1-1/4″ = 3-3/4″ 4-3/4″
Steel
2″ x 3″(2-1/2″)
1/2″ 2-1/2″ + 1″ = 3-1/2″ 4-1/2″
Steel
2″ x 4″(3-5/8″)
5/8″ 3-5/8″ + 1-1/4″ = 4-7/8″ 5-7/8″
Steel
2″ x 4″(3-5/8″)
1/2″ 3-5/8″ + 1″ = 4-5/8″ 5-5/8″
Steel
2″ x 4″(3-5/8″)
5/8″ (2 Layers) 3-5/8″ + 2-1/2″ = 6-1/8″ 7-1/8″
Steel
6″
5/8″ 6″ + 1-1/4″ = 7-1/4″ 8-1/4″
Steel
6″”
5/8″ (2 Layers) 6″ + 2-1/2″ = 8-1/2″ 9-1/2″
Steel
8″
5/8″ 8″ + 1-1/4″ = 9-1/4″ 10-1/4″
CMU
4″
3-5/8″ 4-3/4″
CMU
6″
5-5/8″ 6-3/4″
CMU
8″
7-5/8″ 8-3/4″

KD Drywall Frame (wraps the wall)
A = opening width + 2″
B = opening height + 1″

The rough opening would be 38″ x 85″
for a 3’0″ x 7’0″ door & frame

Note: For fire rated openings, drywall must extend at least 1/2″ into frame.

Masonry Frame (butt wall)
A = opening width + 4 ½”
B = opening height + 2 ¼”

The rough opening would be 40 ½” x 86 ¼”
for a 3’0″ x 7’0″ door & frame

Timely Prefinished Steel Frame
A = opening width + 1 ¼”
B = opening height + 1″

The rough opening would be 37 ¼” x 85″
for a 3’0″ x 7’0″ door & frame

KD Sidelite Frame
A = opening width + sidelite + 2″ for each mullion + 2″
B = opening height + 1″

A 3’0″ x 7’0″ door & frame with a 12″ sidelite
would have a rough opening of 52″ x 85″

Drywall Compression Anchor

Drywall Dimpled Base Anchor

Combo Stud Anchor

EWA - Existing Wall Butterfly Anchor

EWA - Existing Wall Tube Anchor

Masonry T Anchor

Masonry Wire Anchor

Floor Base Anchor

Reversed Base Anchor

Mullion Base Anchor