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Architecture & Design published the headline “Criterion’s Linium glazed partitioning adds spacious feel to Australian Post building” on 19 February 2016. The headline establishes the project’s design premise, but the accessible article record does not verify the building address, architect, contractor, partition layout, glazing make-up, budget, floor area or measured daylight and acoustic results. The most accurate explanation is therefore twofold: glazed partitions can create a stronger sense of openness by sharing light and sightlines, while Criterion’s current Linium 90 system provides the technical options that make that strategy practical.
Criterion’s current product information describes Linium 90 (100 x 25 mm) as a contemporary glass partition system with a 25 mm slimline reveal. It is specified for 64 mm studs and 13 mm plasterboard, accepts centre, offset or double glazing, and accommodates glass up to 12.8 mm. Those are current manufacturer specifications, not confirmed details of the 2016 Australian Post installation.
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What the 2016 Australian Post story actually confirms
The Architecture & Design search result confirms the published title and its stated premise: Criterion’s Linium glazed partitioning was associated with a more spacious feel in an Australian Post building. Because the article body was not available in the accessible record, there is no reliable basis for naming the project team, identifying the exact site, describing the installation extent or claiming a measured improvement.
That distinction matters when a design concept is converted into a specification. “Spacious feel” is an experiential description, not a daylight measurement, floor-area increase or acoustic test result. The title should be read as a report of the article’s framing rather than as an independently measured performance claim.
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What Criterion Linium 90 is
On its current product page, Criterion Industries presents Linium 90 (100 x 25 mm) as a slimline glass partition system. The 25 mm reveal is intended to keep the visible frame narrow while integrating glass into a conventional stud-and-plasterboard partition. In practical terms, the system allows a wall to divide rooms without making every boundary visually opaque.
The current page lists compatibility with 64 mm studs and 13 mm plasterboard. It also states that the system can be used with centre glazing, offset glazing and double glazing. Glass thicknesses up to 12.8 mm are accommodated. Linium 90 can be used with Criterion’s Platinum 90 and Definium 90 sections, which is relevant when a project combines partition types or needs matching interfaces.
Criterion positions the system as a way to balance open-plan and private areas. That is a product-positioning statement. Whether a particular office actually feels more spacious depends on the plan, ceiling height, lighting, furniture, glass location, frame frequency and the amount of visual obstruction elsewhere in the room.
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Why glazed partitions can make a room feel larger
Borrowed daylight
An opaque wall stops daylight at its face. A glazed partition can let light pass from a perimeter window or brighter room into an internal circulation zone, meeting room or workstation area. The result can be a more even visual field, especially where the internal space would otherwise rely entirely on electric lighting. This is a perceptual benefit; it does not prove that a project achieved a particular lux level or reduced its lighting load.
Longer sightlines
Transparent or partly transparent boundaries allow occupants to see beyond the immediate room. A corridor terminating at glass, for example, can appear less compressed than one terminating at a solid painted wall. Repeated sightlines through adjacent rooms can also make a floorplate read as continuous, even though doors and partitions still control movement and privacy.
Visual zoning without complete separation
Offices need rooms for meetings, concentration and confidential work, but a fully opaque layout can feel compartmentalised. Glazing preserves a visual connection while maintaining a physical boundary. The best result is usually selective: glass at borrowed-light zones and opaque construction where storage, services, pinboards or privacy require it.
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Frame proportion and reveal depth
A narrow reveal reduces the visual weight of the partition line. Linium 90’s stated 25 mm reveal supports that slimline appearance, but the overall impression also includes mullions, door stiles, junctions, blinds, manifestation and any adjacent wall finish. A slim frame cannot by itself make a crowded plan feel open.
Glazing configurations and what they change
The choice between centre, offset and double glazing affects appearance, interfaces and potential acoustic performance. The current product information identifies the options, but it does not establish which configuration was installed at the Australian Post building.
| Configuration | How it is arranged | Design implications | What must be verified |
|---|---|---|---|
| Centre glazing | Glass is positioned centrally in the partition zone. | Provides a balanced reveal on each side and a straightforward visual relationship with the stud line. | Confirm the glass build-up, joint details, door interfaces and the required acoustic result. |
| Offset glazing | Glass is positioned toward one face of the partition. | Can align the glazing with a particular room face or coordinate with adjacent finishes and services. | Check which side receives the reveal, how skirtings and architraves meet the system, and whether the specified acoustic build-up is single or offset glazed. |
| Double glazing | Two glazed leaves are used within the partition assembly. | Creates a more substantial separation and can support a higher listed sound-reduction rating than the single-glazed configurations shown by the manufacturer. | Confirm cavity dimensions, glass thicknesses, seals, door construction and the complete tested or certified assembly. |
These categories describe the system options, not a recommendation for every workplace. A project with frequent confidential conversations may value acoustic separation over maximum transparency; a reception or circulation zone may prioritise borrowed light and visual orientation.
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Acoustic ratings published for Linium 90
Criterion’s current product page lists configuration-specific weighted sound reduction values. RW is a laboratory-style rating for the stated assembly; it is not a guarantee of the sound level a person will experience after installation. Flanking paths through ceilings, floors, doors, junctions, penetrations and mechanical services can materially affect the result.
| Listed RW value | Glass build-up named by Criterion | Glazing arrangement | How to interpret it |
|---|---|---|---|
| RW49 | 12.5 mm and 10.5 mm VLam Hush Glass | Double glazed | Highest of the four values listed on the current page, for this specific double-glazed build-up. |
| RW47 | 12.38 mm and 10.38 mm laminated glass | Double glazed | Applies to the named laminated-glass pair, not to every double-glazed Linium assembly. |
| RW38 | 12.5 mm VLam Hush Glass | Single or offset glazed | Manufacturer-published value for the stated single or offset configuration. |
| RW35 | 12.38 mm laminated glass | Single or offset glazed | Applies to the named single or offset laminated-glass build-up. |
None of these figures can be assigned to the Australian Post project without its specification or acoustic report. The numbers are current Criterion-published data accessed in 2026, and they should be carried into a tender or performance schedule with the exact glass, seals, frame, doors and ceiling condition identified.
How to choose a configuration for a real project
- Map privacy zones first. Mark rooms where speech confidentiality, visual privacy or concentration is essential. Do not begin with a glass percentage; begin with the activities the partition must support.
- Identify the daylight path. Note perimeter windows, skylights and brighter internal rooms. Place glazing where it can share light without exposing sensitive work or creating glare at screens.
- Select the glass build-up, not just “double” or “single.” The listed RW values belong to particular glass thicknesses and products. A generic “acoustic glass” note is insufficient for procurement.
- Coordinate the 64 mm stud and 13 mm plasterboard build-up. Confirm that the wall thickness, deflection head, skirting, ceiling grid and services all match the Linium 90 interface shown in the manufacturer’s technical documentation.
- Resolve doors and junctions as part of the acoustic line. A high-rated glazed panel cannot compensate for a lightweight door, unsealed frame, open ceiling void or uncoordinated penetration.
- Request project-specific documentation. Ask for the proposed section, glass schedule, seals, door type, tested or assessed acoustic evidence, fire and safety requirements, and installation tolerances before approval.
- Review a mock-up where appearance matters. A sample can reveal reflections, frame visibility, manifestation, blind pockets and the relationship between the 25 mm reveal and the surrounding paint or wall finish.
Painting and finish coordination around glazed partitions
Although Linium is a partition system rather than a paint product, finish sequencing affects how spacious the completed room appears. Paint colours on the opaque portions influence reflected light and contrast with the glass. Dark, heavily contrasting frames can read as stronger visual lines; a coordinated neutral palette may make the boundary recede. These are design decisions, not performance claims by Criterion.
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Before painting, establish which surfaces are plasterboard, aluminium, sealant or glass. Each substrate may require a different preparation and protection method. Glass should be protected from overspray, sanding dust and wet trades, while sealant joints should not be painted unless the specified product and finish allow it. The partition schedule should identify who protects and cleans the glass, who finishes adjacent reveals and how damage is rectified before handover.
Where offset glazing places the reveal closer to one room, the finish transition needs to be drawn rather than left to site interpretation. A poorly aligned skirting, architrave or ceiling trim can make a slim system look bulky and undermine the intended visual continuity.
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The accessible 2016 record does not provide a verified address, project team, completion date, installation scope, floor area, budget, glazing make-up, acoustic report or measured daylight result. It also contains no available named-person quotation that can be responsibly attributed here. Any article or specification that supplies those details without project documentation would be going beyond the evidence.
Criterion’s current case-study search result mentions an Australia Post Strawberry Hills refurbishment at 219–241 Cleveland Street and describes an upgrade to a building exceeding 33,000 m². The available listing does not demonstrate that this is the same building discussed in the 19 February 2016 Architecture & Design headline. Treat the Strawberry Hills entry as a separate, unconfirmed reference unless the project owner or design team provides a direct connection.
Documents to request when evaluating a Linium installation
- The issued partition plan showing every glazed bay, door and junction.
- The Linium 90 section and installation instructions for the selected wall thickness.
- A glass schedule naming thickness, laminate or acoustic interlayer, and whether glazing is centre, offset or double.
- Acoustic test, assessment or project report for the complete wall and door assembly, with flanking conditions stated.
- Coordination drawings for ceilings, floors, skirtings, services, blinds, manifestation and fire-stopping.
- Shop drawings showing tolerances, seals and interfaces with Platinum 90 or Definium 90 sections where those products are used.
- Cleaning, protection and handover requirements for glass and finished frames.
Criterion’s product page provides specifications, CAD, installation information and a quote-request route. Those documents are the appropriate place to confirm current dimensions and compatibility; they should not be treated as proof of what was installed in the 2016 Australian Post project.
Bottom line for readers
The Australian Post headline describes the architectural effect that glazed partitions are intended to create: more light, longer sightlines and separation without a completely opaque wall. Criterion’s current Linium 90 system offers a 25 mm reveal, 64 mm stud and 13 mm plasterboard compatibility, centre/offset/double glazing and manufacturer-listed RW values from 35 to 49 for specified glass build-ups. The product data can guide a new specification, but only project records can establish the exact system, acoustic result or measured spaciousness of the building featured in 2016.
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