External Wall System 75
75mm AAC external wall system for commercial facades.
Acoustic + Thermal external envelope
75 mm AAC Light external wall / boundary - CSIRO-tested FRL 240/240/180 and system R up to 3.63 m²K/W (winter). BAL-FZ compliant.
Thermal envelope
Up to R 3.63 (winter) / R 3.51 (summer) with 90 mm R2.70 bulk insulation on 600 mm stud centres.
Acoustic mass
AAC core adds airborne mass - reduces road, weather and neighbour noise through the envelope.
Resources
Everything you need to specify and install
Download the technical datasheet and installation guide for External Wall System 75.
75mm External Wall System
Commercial mid-rise facades
System components
| Specification (Standard Stocking Size) | Est. Weight |
|---|---|
| Walsc AAC Panel 2400x600x75mm XL, 10/Pack | 60kg |
| Walsc AAC Panel 2550x600x75mm XL, 10/Pack | 63.5kg |
| Walsc AAC Panel 2700x600x75mm XL, 10/Pack | 67.5kg |
| Walsc AAC Panel 2850x600x75mm XL, 10/Pack | 71kg |
| Walsc AAC Panel 3000x600x75mm XL, 10/Pack | 75kg |
| Walsc AAC Panel 3300x600x75mm XL, 10/Pack | 82.5kg |
Trusted in projects across Australia
Concord Residential Complex
Concord, NSW - 2024
A 48-unit residential complex featuring Walsc AAC panels as the primary external cladding system, delivering superior thermal performance across all orientations.
- Full external envelope cladding
- R1.95 thermal resistance achieved
- 30% reduction in HVAC energy costs
- Completed 6 weeks ahead of schedule
Burwood Mixed-Use Development
Burwood, NSW - 2024
Internal partition walls throughout a 5-storey mixed-use development, prioritising acoustic separation between commercial and residential tenancies.
- Rw+Ctr 35dB acoustic rating
- 120 internal partition walls installed
- Seamless integration with steel framing
- NCC Volume 1 compliance verified
Parramatta Commercial Tower
Parramatta, NSW - 2023
A 12-storey commercial tower facade system where fire resistance was the critical design driver, achieving FRL 240/240/240 across all external walls.
- FRL 240/240/240 fire rating
- Non-combustible external facade
- AS 1530.4 tested and certified
- Insurance premium reduction achieved
Homebush Townhouse Project
Homebush, NSW - 2023
A 16-lot townhouse development using Walsc AAC panels for boundary and party walls, showcasing the speed and lightweight advantages of the system.
- Lightweight - only 39kg per panel
- 40% faster installation vs masonry
- Single-trade wall system
- Zero wet trades required on site
Mosman Premium Residence
Mosman, NSW - 2024
A luxury residential project using Walsc Super Smooth Panels for the entire external envelope, achieving a premium paint-ready finish without any on-site rendering.
- Factory-smooth paint-ready finish
- Zero wet render trades on site
- Premium architectural-grade surface
- Completed 8 weeks ahead of schedule
Cronulla Coastal Duplex
Cronulla, NSW - 2024
A coastal duplex build leveraging Super Smooth Panels for their factory-finished surface, eliminating the risk of render cracking in salt-air environments.
- Salt-air resistant factory finish
- Direct paint application - no render
- Consistent surface quality throughout
- Reduced maintenance requirements
Zetland Mixed-Use Development
Zetland, NSW - 2024
A mixed-use development using Walsc Pattern Panels as decorative facade accents, creating visual interest on street-facing elevations without additional cladding materials.
- Decorative factory-imprinted patterns
- Street-facing feature wall application
- No additional cladding required
- Fire-rated decorative solution
Penrith Community Centre
Penrith, NSW - 2023
A community centre featuring Pattern Panels for boundary walls and entrance feature walls, providing a distinctive aesthetic while meeting public building fire safety requirements.
- Feature entrance wall application
- Decorative boundary walls
- Non-combustible - meets public building codes
- UV and weather-resistant pattern finish
Material Properties
Source: Walsc Design & Installation Guide. Values are indicative - confirm with Walsc for project-specific design.
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