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Planning guide · Partitions

Planning a steel‑and‑glass partition

Reviewed by the Perez family, D’Hierro · Updated October 2026 · 7 min

Start with what the room should do, what stays visible, how private and quiet it feels and where people pass through. A plan, photographs and that brief are enough for a first partition direction.

Slim steel-and-glass enclosure with an integrated door and transom
On this page
  1. What you need to start
  2. Four kinds of privacy
  3. Circulation comes first
  4. Coordinate the six boundaries
  5. The grid follows the room
  6. What to send

Start with a photo

Send a plan and photos of both rooms. We draw the partition in steel.

Send photos or plans

For designers, architects and builders

Shop drawings for your approval before fabrication.

Start a trade project The architect’s checklist Forward to your architect

What you need to start

A steel-and-glass wall can turn a study, office or stair hall into a distinct room while keeping daylight and long views. Tell us what should remain visible, how private or quiet the room should feel, where people enter, and whether the opening is residential or commercial. A plan, photographs, and inspiration are enough for D’Hierro to develop the first partition direction; the complete specification follows from the drawing.

What you decide

  • The balance of openness, visual privacy, and acoustic separation.
  • Fixed glass, integrated single or double doors, sliding panels, or a combination.
  • The architectural character and relationship to nearby doors, windows, millwork, or ironwork.

What D’Hierro handles

D’Hierro develops the custom steel-and-glass partition, profile hierarchy, glass divisions, hardware preparation, finish, shop drawings, field verification, fabrication, glazing coordination, and installation. The project architect and consultants establish code, accessibility, fire, acoustic, structural, and building-system requirements for the complete room.

Four kinds of privacy

“Private” can mean several things:

  • Visual privacy: preventing a clear view through all or part of the wall.
  • Acoustic privacy: reducing speech transmission or general room noise.
  • Behavioral privacy: giving a room a door and a clear boundary even when the glass remains transparent.
  • Security: controlling who can enter and whether the room contains sensitive property or information.

Each glass direction changes the first of these more than the others. A textured pane may obscure detail without making a conversation private.

Glass directions, by what they change

GlassVisual privacyDaylightGood for
ClearNone: the room stays openFullStudies and wine rooms that stay part of the house
Low-ironNoneFull, with truer colorWhere the glass itself should disappear
Reeded or flutedBlurs detail; shapes still readMostPartial privacy that keeps the light
Acid-etched or frostedHigh: the view diffusesDiffusedDressing rooms, baths and offices
Laminated, satin interlayerHighDiffusedPrivacy with a safety interlayer
SwitchableOn demandDiffused when privateRooms that change use through the day

Acoustic performance depends on the complete assembly—glass, seals, doors, perimeter, ceiling, walls, floors, and penetrations—not on pane thickness alone. State the desired outcome and let the design team specify and verify the complete system rather than promising a room rating from the steel frame by itself.

Circulation comes first

Place the door where people naturally approach it. Review both sides for furniture, switches, cabinetry, artwork, floor registers, and corridor clearance. A beautiful centered door may be wrong if everyone has to walk around a desk to reach it.

Decide:

  • Single, pair, pivoted, hinged, or sliding operation, and the active leaf.
  • Clear opening, door swing and maneuvering space.
  • Pull, lever, lock, closer, smart access, or other hardware.
  • Whether the room remains usable when the door stands open.
  • How deliveries, furniture, or equipment pass through later.

Where accessibility or egress requirements apply, the architect should place those criteria on the drawings. The U.S. Access Board guidance addresses clear width, maneuvering space, thresholds, and operable hardware for accessible doors.

Coordinate the six boundaries

A full-height partition meets floor, ceiling, two walls, glass, and one or more doors. Record each condition before the steel is drawn.

  1. Floor: finish changes, slab or framing, radiant heat, waterproofing and any recessed track
  2. Ceiling: structure, deflection, soffits, beams, lighting and access panels; a suspended grid is not automatically an attachment
  3. Walls: studs, blocking, millwork, stone and tile, and whether the steel sits within, over or proud of the finish
  4. Glass: the safety make-up, thickness, edges, stops, gaskets and replacement access
  5. Door: operation, seals, hardware and wiring, and how the moving leaf meets the fixed grid
  6. Building systems: return air, sprinklers, smoke detection and controls; a transparent wall is still a wall

Elevation of a full-height partition with a centered door pair. Each numbered boundary is resolved on the drawing before fabrication.

Federal and building-code requirements apply to glazing in doors and other hazardous locations; the project team and glass supplier should establish the exact compliant make-up. Where the room affects return air, sprinklers or detection, the building’s consultants confirm it before the steel is drawn.

The grid follows the room

Steel divisions can align with door hardware, millwork, stone joints, ceiling beams, or important sightlines. They can also be deliberately quiet. Begin with the large rectangles and the way the room is seen from a distance; refine smaller divisions only after the main proportions work.

In one recent house, a full-arch pantry pair, an interior double door and an exterior patio assembly share one black steel language without becoming identical objects. Each opening responds to its own room while the steel stays consistent across all three.

Sources and technical references (3)

These references support the technical context above. Project-specific design, code, engineering, and manufacturer requirements still control.

For designers, architects and builders

Shop drawings for your approval before fabrication.

Start a trade project The architect’s checklist

What to send

See the glass at full size before you choose.

Clear, low-iron, reeded and acid-etched glass read differently in a steel frame than in a sample book. See them side by side at our Dallas showroom; designers are welcome to bring their clients.

  • The floor plan, and the ceiling plan if you have one
  • Photographs from both rooms and along the main approach
  • The approximate opening width and height
  • How visible, private and quiet the room should be
  • How the door should open, and the hardware you want
  • Nearby finishes, millwork, lighting and furniture

Designer, architect or builder? Start a trade project

Approved shop drawing of a full-arch steel pantry pair, 47⅛ by 103⅜ inches, with its dimensions
Approved shop drawing · Full-arch pantry pair · 47⅛ × 103⅜ in

The drawing

Approved on paper before it is made.

Every line of an interior opening, from the arch to the pulls, is dimensioned and signed off before the shop cuts any steel.

The Design Preview

See your openings drawn in steel, on your own house.

Send photos of your elevation or your architect’s plans. Within one business day: your openings drawn in steel on your own house, an opening schedule and a budget range.

Send photos or plans

Or call the studio at (972) 943-9924.

For the trade

Shop drawings for your approval before fabrication, and every opening priced on one schedule.

Start a trade project