BCA Insulation Requirements for Commercial Buildings — Class 5, 6, 7b, 8 & 9b
The Building Code of Australia (BCA) classifies every commercial building under one of nine numbered classes — and
the insulation requirements that follow are governed by NCC 2022 Volume One Part J4 Building Fabric,
published by the Australian Building Codes Board. Whether the project is
a Class 5 office tower in the Brisbane CBD, a Class 6 retail showroom in Carindale, a Class 7b distribution warehouse
in Wacol, a Class 8 production facility in Brendale, or a Class 9b assembly building at South Bank, the same
Climate Zone 2 Total R-value targets apply to the envelope — but the practical material pathway differs.
Insulation Guru Brisbane specifies, supplies and installs BCA-compliant traditional materials — Knauf Earthwool,
CSR Bradford Anticon, Higgins polyester, reflective foil sarking and cellulose blow-in. We do not install spray foam.
Or call our commercial team: 0494 157 102
What Is the BCA — Building Code of Australia, ABCB and the NCC
The Building Code of Australia (BCA) is the technical framework that governs the design and
construction of every building in Australia. It was first published in 1990 by the
Australian Building Codes Board (ABCB) —
a joint initiative of the Commonwealth, state and territory governments and the Australian Local Government
Association — to replace the patchwork of state-based building ordinances with a single uniform code adopted
across all jurisdictions.
In 2011 the ABCB consolidated the BCA with the Plumbing Code of Australia under the
National Construction Code (NCC). From
that point forward the BCA forms Volume One (commercial buildings — Classes 2, 3, 4, 5, 6, 7,
8, 9) and Volume Two (residential buildings — Class 1 and Class 10) of the NCC. The BCA
classification system itself — Class 1 through Class 10 — was unchanged by this consolidation and remains
the canonical framework for insulation, fire, structural and access requirements across Australian construction.
For commercial insulation, the relevant legal instrument is NCC 2022 Volume One Section J Energy
Efficiency, specifically Part J4 Building Fabric.
Part J4 sets Total R-value and U-value targets for roofs, walls, floors, glazing and slab edges, indexed by
Climate Zone
and BCA class. Brisbane sits in Climate Zone 2 (warm humid summer, mild winter).
that defines what the building is, the NCC 2022 Section J Part J4 targets that define the thermal
envelope, and AS/NZS 4859.1 material certification that verifies installed R-values. Every
verification pack we issue references all three.
BCA Commercial Class Definitions — Class 5 through Class 9c
The BCA classes most commonly encountered on commercial insulation projects in South East Queensland are
Class 5, 6, 7a, 7b, 8, 9a, 9b and 9c. Each carries its own occupancy profile, conditioning intensity, fire
compartmentation rules and — through Section J — insulation pathway. The table below summarises the eight
commercial classes Insulation Guru Brisbane works across, their defining use, and the typical insulation
considerations that follow.
| BCA Class | Building Definition | Example Uses (Brisbane) | Typical Insulation Consideration |
|---|---|---|---|
| Class 5 — Office | Building used as an office for professional or commercial purposes; excludes Class 6, 7, 8, 9. | CBD office towers; Fortitude Valley creative offices; Newstead and Milton commercial fit-outs | Fully conditioned envelope; glazing-driven U-value targets; Knauf Earthwool batts above lined ceilings |
| Class 6 — Shop / Retail | Shop, restaurant or other building for the sale of goods by retail or supply of services direct to the public. | Carindale, Indooroopilly and Chermside shopping centres; big-box retail at North Lakes; showrooms at Fortitude Valley | Lined ceilings; glazed shopfronts; Knauf Earthwool plus reflective foil sarking under metal cladding |
| Class 7a — Carpark | Carpark for the parking of motor vehicles; not for repair, sale or display. | Multi-storey commercial carparks; airport long-term parking; basement carparks beneath Class 5/6 buildings | Naturally ventilated; minimal Section J obligation on the carpark itself; insulation focuses on shared envelope with conditioned classes above |
| Class 7b — Storage Warehouse | Storage building for storage or display of goods or produce for sale by wholesale. | Wacol distribution centres; Yatala 3PL facilities; Eagle Farm freight forwarders; self-storage at Acacia Ridge | Full Section J Total R3.7 roof; CSR Bradford Anticon roofing blanket as primary single-layer pathway |
| Class 8 — Factory / Production | Laboratory, factory or other building in which a process or handicraft is carried on for trade, sale or gain. | Brendale manufacturing; Carole Park food production; Northgate fabrication; Salisbury engineering shops | Process-heat conditioned vs. unconditioned zones; mixed pathways — Anticon over production halls, Knauf Earthwool over conditioned offices |
| Class 9a — Healthcare | Healthcare building including a hospital or medical centre with treatment areas and patient care. | RBWH, Mater, Princess Alexandra, Greenslopes Private; medical centres at Cleveland and Wynnum | Full Section J; acoustic and infection-control overlays; Higgins polyester for hypoallergenic ward areas |
| Class 9b — Assembly | Assembly building including a building used for the gathering of people for social, political, sporting, religious or instructional purposes. | Brisbane Convention Centre; Suncorp Stadium; QPAC; schools across SEQ; places of worship | High-volume spaces; JV3 thermal modelling common; combined thermal-acoustic specification |
| Class 9c — Aged Care | Residential care building accommodating residents with care needs typical of aged-care. | Aged-care residences at Sandgate, Wynnum, Carindale; supported residential complexes | Full Section J plus residential acoustic separation; Higgins polyester between resident rooms; Knauf Earthwool on envelope |
Source for definitions: Australian Building
Codes Board, NCC 2022 Volume One.
Class 1, 2, 3, 4 and 10 are residential / sole-occupancy / non-habitable and fall outside this commercial
reference — see our residential insulation services for those.
Class 5 Office Buildings — Fully Conditioned, Glazing-Driven Envelopes
Class 5 covers buildings used as an office for professional or commercial purposes — corporate headquarters,
government departments, professional services, technology firms, creative agencies and the lettable office
space inside mixed-use developments. In Brisbane, Class 5 stock concentrates in the CBD, Fortitude Valley,
Newstead, Milton, South Bank, Toowong and Spring Hill, with secondary nodes at Chermside, Garden City and
the Brisbane Airport business park.
Under NCC 2022 Part J4D4,
a Class 5 building in Climate Zone 2 (Brisbane) requires a Total Roof R-value of R3.7 for
downward heat flow. The wall maximum U-value under J4D6(1)
is U2.0, with a minimum wall R-value of R1.4 when walls form 80% or more
of the envelope. Slab edge insulation is required only where embedded heating or cooling systems are installed,
under J4D7.
The practical specification challenge in Class 5 is glazing. Modern Brisbane office buildings carry curtain-wall
systems with 50–80% glass-to-wall ratios, and Section J’s glazing component (J4D8 onward) drives the bulk of
thermal load calculation. Insulation Guru Brisbane installs the opaque-element specification — Knauf Earthwool
glasswool batts above lined ceilings, reflective foil sarking on penthouse plant rooms, and acoustic glasswool
on internal partitions — while the curtain-wall and glazing scope is handled by the facade contractor. Our
verification pack documents the opaque envelope to match the Section J consultant’s DTS or JV3 report.
For Class 5 fit-outs over an occupied floor, scheduling is the constraint. We work nights and weekends to
keep the building operational, with quiet-install protocols (no power tools during business hours), HEPA
vacuum extraction for any existing-insulation removal, and full Master Builders Queensland -aligned site
practice. See our insulation for builders and developers
page for the commercial coordination process.
Class 6 Retail and Shop Buildings — Shopping Centres, Big-Box, Showrooms
Class 6 covers buildings for the sale of goods by retail or the supply of services direct to the public —
shops, restaurants, kiosks, hairdressers, showrooms, public laundries, and shopping centres. In SEQ this
includes the major regional centres (Carindale, Indooroopilly, Chermside, Garden City, North Lakes, Mt
Gravatt, Westfield Helensvale), big-box retail (Bunnings, IKEA, Costco at Bundamba, Officeworks), large-format
retail strips (Fortitude Valley homemaker, Macgregor automotive), and standalone showrooms.
The Class 6 Section J target is identical to Class 5 in Climate Zone 2 — Total Roof R3.7, wall U2.0 maximum,
R1.4 minimum where walls dominate the envelope. The differentiating factors are interior layout and
conditioning regime. Shopping centre common malls run on continuous mechanical ventilation and conditioning,
tenant shopfronts open directly to the conditioned mall, and back-of-house storerooms run unconditioned.
Big-box retail typically uses high-bay metal roofing with daylight panels, where reflective foil sarking
under the colorbond is the dominant Section J pathway and Bradford Anticon delivers both the radiant-heat
reduction and the bulk R-value contribution.
Showrooms — automotive, furniture, kitchen and bath — sit between Class 5 and Class 7b in physical character.
The customer-facing zone is conditioned and lined; the rear stockroom is unconditioned. We specify mixed
systems: Knauf Earthwool R4.0 batts above the lined showroom ceiling for thermal and acoustic comfort,
Bradford Anticon over the rear stockroom for envelope compliance, and continuous reflective foil sarking
across both for the condensation control measure under Part J4.
Class 7a vs Class 7b — Carpark vs Storage Warehouse
The BCA splits Class 7 into two sub-classes that look similar from the kerb but carry very different Section J
obligations.
Class 7a — Carpark
Class 7a is a carpark for the parking of motor vehicles, explicitly excluding repair, sale or display. Most
Class 7a structures in Brisbane are naturally ventilated multi-storey carparks attached to Class 5 office
buildings or Class 6 retail centres, basement carparks beneath mixed-use developments, and standalone
airport / event-precinct parking. Because Class 7a is unconditioned and treated as outside the thermal
envelope, Section J’s bulk-insulation obligation on the carpark itself is minimal — no roof Total R-value
target applies in the same way as Class 5–9.
Where insulation matters in Class 7a is the shared envelope — the slab between the carpark
and the Class 5/6 conditioned space above, the wall between the carpark and a conditioned tenancy, and
penetration sealing where building services cross the boundary. We install acoustic glasswool with
perforated metal soffit liners between Class 7a basements and Class 5 ground-floor lobbies for combined
thermal-acoustic separation.
Class 7b — Storage Warehouse
Class 7b is the dominant commercial class in SEQ industrial corridors — a storage building for storage or
display of goods or produce for sale by wholesale. Distribution centres, third-party logistics (3PL) facilities,
bulk-goods storage, freight warehouses, self-storage and wholesale showrooms all sit inside Class 7b. The
Wacol, Yatala,
Brendale and Eagle Farm
industrial corridors are overwhelmingly Class 7b stock.
Class 7b carries the full Section J obligation — Total Roof R3.7, wall U2.0 maximum / R1.4 minimum, continuous
envelope under J4D3(1). Because Class 7b roofs are typically high-bay colorbond on portal frames with no lined
ceiling, the dominant pathway is CSR Bradford Anticon
foil-faced glasswool blanket installed over the purlins and under the metal sheeting. Our
warehouse insulation Brisbane page details the full Class 7b
specification process, and the Anticon blanket warehouse roof
page covers the material itself.
all to the shell. Get the classification wrong and the whole compliance pathway is wrong. We confirm BCA class
with the certifier or builder before specifying.
Class 8 Factory and Production Buildings — Conditioned vs Unconditioned
Class 8 covers laboratories, factories, and other buildings in which a process or handicraft is carried on for
trade, sale or gain. In SEQ this spans food and beverage production (Carole Park, Acacia Ridge, Northgate),
metal fabrication and engineering (Brendale, Salisbury), pharmaceutical manufacturing, plastics and packaging
(Wacol, Heathwood), and the testing laboratories of Class 9a healthcare campuses.
The Section J pathway for Class 8 is the most varied of any commercial class because process heat
drives the conditioning regime. A bakery production hall runs at near-ambient with significant process
gain; a refrigerated meat processing room runs at 4°C; a clean room runs at controlled humidity; a metal
fabrication shop runs unconditioned with stack ventilation. Each of these has the same Climate Zone 2 envelope
target (Total R3.7 roof, U2.0 wall) but the practical material choice and the value of going beyond minimum
changes.
Insulation Guru Brisbane specifies Class 8 envelopes by zone. For unconditioned production halls — fabrication
shops, light manufacturing, packaging — Bradford Anticon roofing blanket plus reflective foil sarking under
the colorbond delivers Section J compliance and meaningful summer heat-stress reduction for staff. For
conditioned production zones — food processing, pharmaceutical, clean rooms — we specify higher R-values
(Anticon 145mm at R3.6 single layer, or layered Anticon plus Knauf Earthwool batts above lined ceilings)
to keep cooling loads and condensation risk within the building services design envelope. For cold-chain
production we install panel systems supplied by Bondor (BondorPanel® Coldroom EPS-FR core) or ASKIN
(Performance Panels with EPS-FR, PIR, XFLAM or Volcore cores) — see our
cold storage insulation Brisbane and
factory insulation Brisbane pages for the detailed selection logic.
Class 8 production sites typically run continuous shifts. Like Class 5 fit-outs, the install scheduling
challenge is real — production cannot stop for insulation. We coordinate with the plant manager around
planned shutdowns, weekend windows, and shift boundaries to install in stages. Our four-step process is
documented on the warehouse insulation Brisbane page and applies
identically to Class 8.
Class 9b Assembly Buildings — Event Centres, Auditoriums, Sports, Schools
Class 9b covers assembly buildings — places where people gather for social, political, sporting, religious
or instructional purposes. Brisbane Class 9b stock includes the
Brisbane Convention & Exhibition Centre,
Suncorp Stadium, the Gabba, QPAC, Brisbane Powerhouse, the Riverside Expressway venues, schools across SEQ,
universities, places of worship, sporting clubhouses and aquatic centres.
The Section J target applies — Total Roof R3.7, wall U2.0 / R1.4 in Climate Zone 2 — but Class 9b buildings
pose two design challenges that push them out of the standard DTS pathway and into JV3 thermal performance
verification. The first is volume: a 10,000-seat sports hall or 2,000-seat auditorium has
a ceiling height and air volume orders of magnitude larger than a Class 5 office, and the conditioning
regime is intermittent (occupied during events, unconditioned between). DTS R-values calibrated for steady-state
occupancy don’t model intermittent occupancy well. JV3 lets the Section J consultant model the actual
duty cycle and propose an envelope that meets the energy budget.
The second challenge is acoustic performance. Class 9b auditorium and assembly performance
depends as much on reverberation time, sound transmission class and absorption coefficients as on R-value.
We specify acoustic glasswool variants (Knauf Earthwool
acoustic batts) and Higgins polyester for combined
thermal-acoustic outcomes, with reflective foil sarking under the metal cladding for radiant-heat reduction
where the roof structure permits. Schools and clubhouses typically use the standard DTS pathway with
Anticon over high-bay halls and Knauf Earthwool above lined classroom ceilings.
Mixed-Use Industrial Estates — Multiple BCA Classes in One Shell
A modern South East Queensland industrial estate routinely spans four BCA classes inside a single tilt-panel
shell. The front of the building is a Class 5 office (sales, admin, accounts, executive); a Class 6 showroom
faces the customer carpark; the picking floor and bulk storage is Class 7b; the assembly line where the
product is finished is Class 8; the loading dock and parking is Class 7a. From the kerb it looks like one
building. From the BCA’s point of view, it is four classifications operating together.
Under the BCA, each fire compartment can be classified independently — so the Class 5 office
block at the front is treated separately from the Class 7b warehouse at the rear for fire purposes. But Section J
applies to the whole envelope as a single thermal system. That means the roof, walls and
slab work continuously across the class boundary, and insulation must form a continuous envelope per
NCC 2022 J4D3(1).
The Insulation Guru Brisbane approach is layered. We specify the roof Total R-value to the highest applicable
target across the shell — in Climate Zone 2 that is R3.7 across all classes, so a single Bradford Anticon
pathway works. Then we add internal insulation between conditioned (Class 5/6) and non-conditioned (Class 7b/8)
zones to maintain the continuous envelope across the class boundary. Knauf Earthwool R4.0 batts in the
ceiling void above the front-office lined ceiling, with the warehouse high-bay running uninsulated above
the same datum, creates a continuous thermal break at the office-warehouse partition. This is the most
common error on retrofit projects — installers stop the insulation at the visible class change rather than
carrying it across the actual conditioned-envelope boundary.
For new builds, the Section J consultant’s DTS or JV3 report defines the envelope. For retrofits, we generate
the spec ourselves from the as-built drawings and current BCA classifications. Our
insulation for Section J consultants page documents
the consultant-coordination workflow.
BCA-Compliant Material Approach by Class
The Climate Zone 2 R-value target is the same across Class 5–9. The material pathway that delivers it
differs by class. The grid below summarises the dominant pathway Insulation Guru Brisbane specifies for each
class — all using BCA-compliant traditional materials, no spray foam.
Glazing-driven envelope; opaque-element scope sits above the lined ceiling. Knauf Earthwool R4.0
glasswool batts deliver thermal compliance; acoustic variants handle internal partitioning. Higgins
polyester for hypoallergenic zones.
Mixed pathway — Anticon foil-faced blanket gives radiant reduction and bulk R-value under colorbond;
Knauf Earthwool above the lined showroom ceiling delivers thermal and acoustic comfort to the
customer-facing zone.
Class 7a itself is unconditioned and outside the Section J envelope. Insulation focuses on the slab
and walls shared with conditioned Class 5/6 above — acoustic glasswool with perforated metal soffit
for combined thermal-acoustic separation.
Dominant pathway for SEQ Class 7b. Anticon 130 (R3.0 standard) or Anticon High Performance 130 (R3.6)
installed over purlins and under colorbond, with reflective foil sarking for condensation control.
Single-trade, single-layer.
Process-heat zoning drives the spec. Bradford Anticon over unconditioned production halls; Knauf
Earthwool R4.0 above lined office and amenity ceilings; Bondor or ASKIN cold-room panels for
refrigerated processing zones.
Hypoallergenic Higgins polyester for ward-area lined ceilings; Knauf Earthwool on the building envelope;
acoustic glasswool on inter-ward partitions for sound-attenuation compliance and patient comfort.
Reverberation control as load-bearing as R-value. Acoustic Knauf Earthwool and Higgins polyester
handle interior absorption; Bradford Anticon under metal handles thermal envelope; JV3 verification
the typical compliance pathway.
Higgins polyester batts for inter-room acoustic separation (hypoallergenic for resident comfort);
Knauf Earthwool on the building envelope; reflective foil sarking under metal cladding for
radiant-heat reduction in afternoon-sun-affected wings.
foam (open-cell or closed-cell polyurethane). The pathways above achieve NCC 2022 Section J Total R3.7 in
Climate Zone 2 across every commercial class without polyurethane chemistry. If your Section J consultant has
specified spray foam, we can advise on the equivalent traditional-material pathway to the same target.
Climate Zone 2 Section J Targets — All Commercial Classes
| Element | Target (CZ2 / Brisbane) | NCC 2022 Reference | Applies To |
|---|---|---|---|
| Roof Total R-value (downward heat flow) | R3.7 minimum | J4D4 | All Classes 5–9 in CZ1–6 |
| Wall maximum U-value | U2.0 | J4D6(1) | Class 5, 6, 7, 8, 9b |
| Wall minimum R-value (where walls ≥80% of envelope) | R1.4 minimum | Table J4D6a | Class 5–9b |
| Slab edge insulation (vertical) | R1.0 minimum, only when embedded heating/cooling | J4D7 | All Classes 5–9 |
| Continuous envelope | Insulation must abut/overlap; continuous barrier | J4D3(1) | All Classes 5–9 |
| Material certification | Tested and labelled R-values | AS/NZS 4859.1 | All bulk insulation in any class |
Source: NCC 2022 Volume One Part J4 Building Fabric
via the Australian Building Codes Board.
Material certification standard AS/NZS 4859.1
published by Standards Australia. Targets for Climate Zones 7 (R4.2) and 8 (R4.8) differ — Brisbane is in Zone 2.
BCA Class Confirmation to Verification — Four Steps
Confirm the BCA class (5, 6, 7a, 7b, 8, 9a, 9b, 9c) with the certifier or principal builder. Confirm
Climate Zone 2 for SEQ. Identify shared-envelope conditions in mixed-use shells. Ground the spec in the
right classification before specifying any material.
Match the class to the dominant material pathway — Knauf Earthwool above lined ceilings (Class 5/6/9c),
Bradford Anticon under metal (Class 7b/8), combined thermal-acoustic systems for assembly (Class 9b).
DTS or JV3 path coordinated with Section J consultant.
Materials sourced from Knauf Insulation, CSR Bradford and Higgins with current
AS/NZS 4859.1
certification. Lot numbers logged. Continuous envelope per J4D3(1). White Card,
WorkSafe Queensland-compliant SWMS.
Post-install verification documenting installed Total R-value against the Section J specification, BCA
class, lot numbers, installed thickness and coverage in m². Suitable for certifier and Section J
consultant hand-over. Defects period 12 months on workmanship.
Brisbane Suburbs and BCA Class Distribution
Insulation Guru Brisbane services BCA-classified commercial projects across the four major Brisbane
industrial corridors plus the Ipswich and Moreton Bay growth corridors, the Brisbane CBD and inner-city
office cluster, and the regional retail and assembly precincts of South East Queensland. Each corridor
has a characteristic BCA-class mix.
Australia TradeCoast — Class 7b dominant, Class 8 secondary
Port and airport precinct — freight, logistics, marine industrial, cold storage. Predominantly Class 7b
with significant Class 8 production. Suburbs:
Eagle Farm ·
Pinkenba ·
Hemmant ·
Lytton ·
Murarrie ·
Brisbane Airport.
Northern Industrial — Class 7b / 8 mix with Class 6 retail strips
Geebung-Banyo belt with Brendale as the largest hub. Tightly-held Class 7b/8 with Class 6 retail at
North Lakes. Suburbs:
Geebung ·
Brendale ·
Northgate ·
Banyo ·
Virginia ·
Narangba.
South West Industrial Gateway — Class 7b heartland
SEQ’s largest industrial corridor by area. Anchored by Wacol‘s
Metroplex Estate. Class 7b distribution dominates with Class 8 production at Carole Park. Suburbs:
Wacol ·
Acacia Ridge ·
Carole Park ·
Darra ·
Sumner ·
Richlands ·
Heathwood ·
Larapinta ·
Salisbury ·
Rocklea ·
Coopers Plains ·
Parkinson ·
Archerfield.
Logan / Yatala — Class 7b large-format with Class 8 cold-chain
M1 corridor specialising in large-format Class 7b distribution and Class 8 cold-chain processing. Suburbs:
Yatala ·
Crestmead ·
Berrinba ·
Stapylton ·
Meadowbrook.
Ipswich Corridor — Class 7b plus Class 6 big-box
Inland Rail and intermodal connections. Class 7b distribution with Class 6 big-box retail (Costco at
Bundamba). Suburbs:
Redbank ·
Bundamba ·
Swanbank.
Moreton Bay Growth Corridor — Class 6, 7b and 9b mix
Northern growth corridor with Class 6 retail (North Lakes), Class 7b warehousing and Class 9b community
and assembly buildings. Suburbs:
North Lakes ·
Caboolture ·
Deception Bay ·
Burpengary.
Documentation, Insurance and Coordination — Standard
- BCA class confirmation: we work from your certifier’s classification, or confirm
independently against ABCB definitions
before specifying — the wrong class produces the wrong pathway. - Section J verification pack: installed Total R-value, AS/NZS 4859.1 material certification,
lot numbers, installed thickness and coverage — referenced to your DTS report or JV3 model. - Insurance: Public Liability cover and Workers Compensation in force per
WorkSafe Queensland;
certificates issued on request before site mobilisation. - Defects period: 12 months on workmanship; manufacturer’s warranty on materials per
Knauf, Bradford and Higgins terms. - Coordination: direct working relationship with principal contractor, Section J
consultant, building certifier, and (for Class 8 production) the plant manager and shutdown coordinator. - Site safety: SWMS, JSA, White Card holders, safe work at heights, confined-space
procedures where applicable. Asbestos screening on pre-1990 buildings per
Queensland Department of
Environment requirements. - Industry alignment: aligned with
ICANZ (Insulation Council of Australia
and New Zealand), Master Builders
Queensland, and Housing Industry
Association standards of practice.
BCA Insulation Requirements — Frequently Asked
Specifying or retrofitting a Class 5, 6, 7b, 8 or 9b building?
Insulation Guru Brisbane’s commercial team can confirm BCA class, specify the Section J pathway, supply and
install BCA-compliant traditional materials — Knauf Earthwool, CSR Bradford Anticon, Higgins polyester,
reflective foil sarking — and issue a verification pack suitable for certifier and Section J consultant
hand-over. No spray foam.
Or call our commercial team: 0494 157 102
- 📞 0494 157 102
- ✉ inquiries@insulationgurubrisbane.com.au
- 📍 c/- Scarborough Business Centre, Level 1, Unit 4, 91 Landsborough Avenue, Scarborough QLD 4020
