Hollow Metal Door Frames

Factory-welded hollow metal frames engineered for masonry, drywall, and existing opening applications — single and double rabbet in standard and custom profiles.

HMF Express welded hollow metal frames are manufactured to ANSI/NAAMM HMMA standards in 16 and 14 gauge steel. Available in single and double rabbet configurations, a full range of depths for different wall thicknesses, and both standard and custom profiles.

Standard Single Rabbet

Single rabbet profile for single-door openings. Available in all standard depths for drywall and masonry walls.

Double Rabbet

The most common frame profile — dual rabbet for pairs of doors sharing a common center jamb, no mullion required.

Drywall Frame

Welded frames with integral drywall stops for use in metal stud and drywall wall systems.

Existing Opening Frame

Retrofit and replacement frames sized for installation into fully built-out openings.

Knock-Out Frame

Welded frames with punched-out anchor slots for field-adjustment in masonry applications.

Masonry T-Frame

T-style anchor pockets integrated into CMU and brick wall construction. Factory-welded in 14 and 16 gauge.

4-Sided Frame

Full sill member at bottom creates complete perimeter frame. Required for certain fire-rated and security applications.

Adjustable JD Frame

Telescoping design accommodates varying wall thicknesses. Ideal for renovation and retrofit projects.

Borrowed Lite — Wall

Fixed glazing assembly mounted within a wall partition. Single and multi-lite with mullion options.

Borrowed Lite — Floor

Extends from floor level to desired height. Single and multi-lite configurations with mullion options.

Borrowed Lite — Special

2-over-2 and 3-lite multi-lite arrangements combining horizontal and vertical mullions.

Corner Post

Two openings share a common corner jamb. Continuous weld and face weld options for 90-degree intersections.

Custom Frames

Non-standard dimensions, profiles, and configurations built to your specifications. Consult your rep.

Sidelight — Full

Full-height glazing panel beside the door. One-side or both-sides configurations available.

Sidelight — Half

Partial-height glazing with solid panel below. Eye-level visibility with lower privacy.

Sidelights — Both Sides

Glazing panels on both sides of the door opening. Full-height and 2-lite options for maximum light.

Transom

Horizontal glazing or panel section above the door. Single-opening and vertical mullion configurations.

Transom with Sidelight

Transom above with sidelight on one side. Maximum natural light around the door opening.

Transom with Sidelights

Transom above with sidelights on both sides. Glass surrounds door on three sides for maximum visibility.