Walsc AAC Panel System

    Intertenancy Wall System 75

    75mm AAC intertenancy wall for high-performance separation.

    Intertenancy Wall System 75
    Highlights

    Acoustic + Fire for party walls

    75 mm AAC Light intertenancy system - FRL 90/90/90 and Rw+Ctr up to 52 dB, CodeMark certified.

    Acoustic separation

    Rw 63 / Rw+Ctr 52 dB on WIW 7502 discontinuous 90 mm stud. Exceeds NCC Rw+Ctr≥50.

    Fire-rated core

    CSIRO FCO-3092B assessed FRL 90/90/90 across all four WIW 75 system variants.

    System Overview

    75mm Intertenancy Wall System

    Apartment party walls

    75mm Intertenancy Wall System
    Technical Data

    Material Properties

    Panel Thickness75 mm
    Panel Width600 mm
    Panel LengthUp to 3300 mm
    Panel Edge ProfileSquare Edge
    Dry Density450 kg/m³
    Density for Design525 kg/m³
    Panel Weight per SQM42 kg/m²
    Reinforcement Tensile Yield Stress500 MPa
    Reinforcement Characteristic Weld Strength3.1 kN
    Ultimate Strength Bending Capacity1.0 kNm/m
    Thermal ResistanceR 0.584

    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 Intertenancy Wall System 75.

    Design & Installation Guide
    Components

    System components

    Specification (Standard Stocking Size)Est. Weight
    Walsc AAC Panel 2400x600x75mm XL, 10/Pack60kg
    Walsc AAC Panel 2550x600x75mm XL, 10/Pack63.5kg
    Walsc AAC Panel 2700x600x75mm XL, 10/Pack67.5kg
    Walsc AAC Panel 2850x600x75mm XL, 10/Pack71kg
    Walsc AAC Panel 3000x600x75mm XL, 10/Pack75kg
    Walsc AAC Panel 3300x600x75mm XL, 10/Pack82.5kg
    Walsc AAC Panel 75mm Light (XL)
    Projects

    Trusted in projects across Australia

    97 High Street

    97 High Street

    Cabramatta West, NSW

    The triplex development at 97 High Street utilises the Walsc Intertenancy Wall System 75 to provide premium separation between dwellings. Incorporating lightweight 75mm AAC panels, this space-efficient party wall solution delivers rigorous fire resistance and superior acoustic privacy, ensuring a fast, cost-effective build for the multi-residential project.

      Bellefair Norwest

      Bellefair Norwest

      Norwest, NSW

      The Bellefair townhouse project at 131-177 Fairway Drive in Norwest incorporates the Walsc Intertenancy Wall System 75 to ensure robust division between its luxury homes. By using high-performance 75mm AAC panels, this streamlined dividing wall solution maximises interior space while offering excellent sound insulation and strict fire compliance, perfectly suiting the demands of contemporary medium-density housing.

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