Weather Barrier Panels Also Increase The Acoustical Performance Of Erskineville Buildings


Park Sydney is a new development of apartments in Sydney’s western suburb of Erskineville. Designed by WMK Architects, Botany and Cascade are the first buildings in Phase 1 of the development of what will almost be a new suburb.

The project required a rigid weather barrier to be used behind the vented rainscreen constructed of compressed fiber cement and an aluminum cladding capable of withstanding higher wind load.

Since the building was not sprinklered, all exterior walls had to have an FRL of at least -/60/60. This was easily achieved using 13mm Weather Defense board and FR internal plasterboard. In addition to allowing a weathertight building, the use of rigid panels provided increased acoustic performance over flexible protective membranes, while being highly vapor permeable to control the risk of interstitial condensation.

Over 10,000m² of panels were supplied for the compartmentalisation project, which was the first major project for the Weather Defense panel in Australia. Promat Australia and its distributors were available at all times for technical assistance and support. On-site training was also provided at the start of the job for securing, taping and sealing panels and accessories. The training also ensured that strong quality assurance was in place before any coating was applied. This service will also be available for future projects.


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