5 Parramatta Square

Bold red amphitheatre-inspired roof facade



5 Parramatta Square, Parramatta


Public library, council chambers, and discovery centre


7 storeys (31.5m high)

Estimated cost:


Completion date:




City of Parramatta Council

Main contractor:



Manuelle Gautrand Architecture (with DesignInc and Lacoste + Stevenson)

Facade installation contractor:

Highlight Aluminium

Facade Manufacturer

Singyes Engineering (HK)

Facade consultant:

Surface Design

Facade specs & stats

  • Unitised curtain-wall system
  • Panelised drained roof cladding system
  • Motorised sun shading
  • Framed window-walls
  • Formed aluminium soffits
  • Site-glazed sloping structural glass wall
  • Semi-frameless clerestory glazing
  • Glass balustrades, operable glass louvres
  • Automatic sliding doors, swing doors and framed bi-folding doors
Facade area:


Largest panel:


Heaviest panel:


Total no. individual façade panels:


Individual 3D formed aluminium roof panels:


Modular roof panel size:

7.2m x 2.1m

Total no. modular roof panels & crane lifts:


Custom developed powder coat colours:


Total no. unique panels:



6-star Green Star

A series of fragmented, red-hued panels

Both roof and facade


Phive Parramatta Square appears as a series of stacked crystalline blocks in a range of red-hued colours inspired by the local flora—native waratahs, banksias and grevilleas. The lightweight aluminium-framed modular roof panels are angled to follow the solar path, sloping steeply to become vertical at the top. Each row of blocks represents one level of the building.

The angled panels mean the building facade is also a roof. On the ground plane, an asymmetrical cantilever shelters pedestrians. On the inside, hundreds of folds in the facade offer panoramic views and filtered light.

  • Recovering the project from the original facade contractor
  • Complex design, fabrication and assembly
  • Weather- and pandemic-related supply and installation complications

Recovering the project

Complex manufacture and installation

Waterproofing in a La Niña season

We came into the project late, when the original contractor couldn’t complete the job. To recover the project, we needed to establish a new supply chain, undertake documentation for a full redesign, and carry out project-specific testing for the modular roof and curtain wall systems.

The sloping roof facade incorporates sculptural panels with 3D geometry. We manufactured the panels using an aluminium sheet that was cut, folded, welded and reinforced to form integrated cladding modules. Each module varied in size and shape to suit the building geometry.

We designed a semi-unitised modular skylight system with a fully drained and pressure-equalised secondary rafter as a backup drainage system. We pre-assembled it off-site, and developed a steel-lifting frame so we could install large areas at once. Jointing between modules used a compressible dry gasket system, eliminating the need for external installation access.

“Core has successfully helped us deliver some very large, complex facades. They manage the entire process - they were responsible for shipping logistics, deliveries, unpacking storage, delivery to site and then the installation and also overseeing and managing of the design process.”

Atlassian Central

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