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.
75mm External Wall System
Commercial mid-rise facades
Material Properties
Source: Walsc Design & Installation Guide. Values are indicative - confirm with Walsc for project-specific design.
Resources
Everything you need to specify and install
Download the Design & Installation Guide for External Wall System 75.
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
Elan
Silvania, NSW
Located at 25 Chester Street in Sylvania, the premium Elan development features four luxury townhouses wrapped in the Walsc External Wall System 75. This high-performance AAC cladding delivers exceptional thermal efficiency and robust weather resistance, providing a solid, refined exterior that perfectly complements the high-end architectural design.
97 High St
Cabramatta West, NSW
The triplex development at 97 High Street in Cabramatta West, NSW, utilises the Walsc External Wall System 75 to deliver a high-performance building envelope. Incorporating Walsc 75mm Light AAC panels, this exterior cladding solution provides superior thermal efficiency and robust weather resistance, ensuring a fast, cost-effective build and a solid, precise substrate for premium architectural finishes.
Have a Question?
Whether you need a quote, technical advice, or project support - our team is ready to help. Fill in the form and we'll respond within 1 business day.