Walsc AAC Panel System

    Intertenancy Wall System 50

    50mm AAC intertenancy wall for residential separation.

    Intertenancy Wall System 50
    Highlights

    Acoustic + Fire for party walls

    50 mm AAC intertenancy system - tested FRL 90/90/90 and Rw+Ctr up to 51 dB across CodeMark-certified build-ups.

    Acoustic separation

    Rw 62 / Rw+Ctr 51 dB on WIW 5002 discontinuous stud build-up - exceeds NCC Rw+Ctr≥50 target.

    Fire-rated core

    CSIRO-tested FRL 90/90/90 on all three WIW 50 system variants. Non-combustible AAC.

    Resources

    Everything you need to specify and install

    Download the technical datasheet and installation guide for Intertenancy Wall System 50.

    Installation Guide
    System Overview

    50mm Intertenancy Wall System

    Residential intertenancy walls

    50mm Intertenancy Wall System
    Components

    System components

    Specification (Standard Stocking Size)Est. Weight
    Walsc AAC Panel 2200x600x50mm, 20/Pack45kg
    Walsc AAC Panel 2400x600x50mm, 15/Pack49kg
    Walsc AAC Panel 2550x600x50mm, 15/Pack53.5kg
    Walsc AAC Panel 2700x600x50mm, 15/Pack57kg
    Walsc AAC Panel 2850x600x50mm, 15/Pack58kg
    Walsc AAC Panel 3000x600x50mm, 15/Pack61kg
    Walsc AAC Panel 50mm
    Projects

    Trusted in projects across Australia

    Riverstone Townhouse Estate

    Riverstone Townhouse Estate

    Riverstone, NSW - 2024

    A 32-lot townhouse estate using 50mm Walsc AAC Panels for all intertenancy and boundary walls, maximising usable floor area while meeting fire and acoustic requirements.

    • 50mm slim profile - maximised floor area
    • FRL 120/120/120 fire rating achieved
    • Lightweight panels - single-person handling
    • Completed 4 weeks ahead of schedule
    Kellyville Residential Development

    Kellyville Residential Development

    Kellyville, NSW - 2024

    A 24-unit residential development featuring 50mm AAC panels for external cladding on a lightweight steel frame, achieving excellent thermal performance in a cost-effective build.

    • Cost-effective lightweight cladding solution
    • R1.50 thermal resistance achieved
    • Single-trade wall system
    • NCC Volume 2 compliant
    Technical Data

    Material Properties

    Panel Thickness50 mm
    Panel Width600 mm
    Panel LengthUp to 3000 mm
    Panel Edge ProfileSquare Edge
    Dry Density525 kg/m³
    Ambient Density600 kg/m³
    Density for Design650 kg/m³
    Panel Weight per SQM35.6 kg/m²
    Characteristic AAC Compressive Strength2.7 MPa
    Reinforcement Tensile Yield Stress350 MPa
    Reinforcement Characteristic Weld Strength3.4 kN
    Ultimate Strength Bending Capacity0.33 kNm/m
    Coefficient of Thermal Expansion7.0 × 10⁻⁶/K
    Thermal ResistanceR 0.331

    Source: Walsc Design & Installation Guide. Values are indicative - confirm with Walsc for project-specific design.

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