Party Wall Systems

Gyprock Party Wall Systems are designed to provide a separating wall between dwellings that are side-by-side such as town houses. The systems feature discontinuous construction and offer acoustic performance to a standard of Rw+Ctr 50.

The systems are also fire resistant (FRL 60/60/60) and offer the added benefit of design freedom – achieved with double load bearing walls (when supporting non-fire rated structures only). The design allows services including water and electricity to be run within the wall frame, without affecting the system’s performance.

Design and Installation Guide

Applications

Gyprock Party Wall Intertenancy systems are designed as separating walls for class 1 and 10 buildings. Systems are available for steel and timber framed buildings with FRL 60/60/60 and sound ratings to meet BCA requirements and offer the flexibility of internal linings to cover individual room needs.

The systems are lightweight and can be installed rapidly without the use of wet trades. They have some elements that are common to the adjoining buildings, and are suitable for buildings with shared title on single allotments.

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System Advantages

Steel and timber frame options
Systems for Rw+Ctr 50 and discontinuous construction
Linings installed as for non-rated systems
No setting joints of central fire barrier
Services simply incorporated
Minimal use of sealants
Fibre cement options in wet areas
Rapid installation
No additional trades required
Solutions to avoid mould growth during construction

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System Performance

Gyprock Party Wall systems offer the ideal combination of acoustic and fire-resistant performance, with efficient installation and design flexibility.

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Fire Resistance

When designed and installed in accordance with the details in the Gyprock Party Wall Intertenancy Wall Systems for Class 1 Buildings Installation Guide, these systems are fire resistant.

With unique aluminium clips, Gyprock Party Wall systems are designed to allow one side to collapse and fall away, leaving the central barrier and the opposing wall in place. This removes the direct threat of fire transfer and maintains protection to the remaining dwelling.

In areas such as the roof space and between floor and ceiling where there are no stud linings, 16mm Fyrchek™ plasterboard is laminated to the Shaft Liner MP to maintain the rating.

Acoustic Performance

Noise in Class 1 buildings may be airborne, such as voices and music, or it may be a result of impact, such as cupboard doors and footsteps. The path of the sound may be direct through a wall or floor, or indirect through the surrounding structure known as flanking transmission. Acoustic separation is a key factor in ensuring the comfort of building occupants.

The cavity insulation and lining options of Gyprock Party Wall systems meet or exceed the BCA minimum acoustic requirements for Class 1 buildings of Rw+Ctr 50.

The basis of the acoustic performance is a double cavity system designed so that services such as switches, light fittings and pipes can be installed in the Party Wall without the need for acoustic sealants.

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System Design

These diagrams show three typical layout options for the StrataWall system. The Gyprock Red Book outlines a comprehensive list of layout options and can help you find a design that works best for your building performance needs.

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System Components

Insulation Options

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Accessories

Fasteners

Gyprock Plasterboard Laminating Screw
Type S bugle head, needle point coarse head screw
Galvanised clouts
Gyprock Acrylic Stud Adhesive
Drill point wafer-head

Sealants

Other Accessories

Steel H-Stud
Steel J-Track
Steel Folding Track
Aluminium Wall Clip
Aluminium Wall Strap