ProBoard: Party Wall

The ProBoard Fireless Party Wall System is a complete, codemark-certified party wall assembly suitable for Class 1 to Class 3 buildings under the National Construction Code. The system comprises a 10mm plasterboard lining, timber or steel framing to AS1684.2, AS17020.1 or AS/NZS4600:2018, glass wool insulation batts at a minimum of 14 kg/m3, and the ProBoard 18mm shiplap panel to achieve 60/60/60 FRL. The assembly is designed and tested as a complete system, giving builders confidence in compliance from the outset.

Yes – and this is one of ProBoard’s standout advantages over conventional plasterboard. ProBoard panels are fully water resistant and can be safely left exposed to the elements without risk of mould, water damage or delamination.

This means installation can continue year-round regardless of weather conditions, reducing costly project delays and the risk of rectification works down the track.

ProBoard has been tested to AS 1530.4 and achieves Fire Resistance Levels of 60/60/60 and 90/90/90, making it suitable for party wall applications where fire performance is a critical requirement.

In addition to its fire credentials, the system delivers strong acoustic performance, achieving an Rw+Ctr50 acoustic rating within the Fireless Party Wall configuration – providing builders with a single system that addresses both fire and sound requirements.

Yes. The ProBoard Fireless Party Wall System is compatible with both timber and steel frame construction, giving builders flexibility across a wide range of residential and commercial project types. Installation uses standard carpentry tools with no specialist trades or equipment required, making it a fast and cost-effective solution that fits seamlessly into existing construction workflows.

ProBoard panels are manufactured from responsibly sourced magnesium, giving them a lower carbon footprint than many conventional wall systems. The production process uses a green curing method – cured at room temperature rather than in high-temperature kilns – which actively captures CO2 during manufacturing.

Combined with the product’s durability, mould resistance and long service life, ProBoard is a sustainable choice for builders focused on reducing environmental impact without compromising on performance or compliance.

ProBoard is CodeMark compliant for use in timber and steel frame construction. The system is designed and tested to the following Australian Standards:

• AS 1530.1 – Non-combustibility test – PASSED
• AS 1530.4 – Fire resistance test – FRL 60/60/60 and 90/90/90
• Timber framing to AS 1684.2 or AS 17020.1
• Steel framing to AS/NZS 4600:2018
• CodeMark certified – fully compliant for residential and low-rise construction