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How to increase net internal areas in apartment projects

With value in every square metre of living space, one of the latest innovations from Etex Building Performance brand, Siniat, has generated an additional one square metre per room at Greater Scotland Yard – a 95,000 sq ft hotel refurbishment by Galliard Homes.

Galliard Homes used Resilient Acoustic Stud (RAS) 90 – a specialist stud for party wall and external corridor wall partitions. It is capable of exceeding Part E of Building Regulations for acoustic performance in residential buildings at a partition width of only 150mm – up to 50mm thinner than traditional partitions.

It is the first product in the RAS range to be designed specifically for use in the residential sector, as well as hotels, student accommodation and change of use projects.

The stud’s simple design means that frame installation can be up to 50 per cent quicker than standard systems. Unlike traditional metal studs, RAS 90 features an inbuilt visco-elastic acoustic material which prevents airborne and impact sound from passing through dividing walls, removing the need for cavities or an acoustic brace. Its unique design provides a minimum 45 DnTw +Ctr while only using half the amount of metal needed for a standard partition, making it thinner, lighter and faster to install than traditional equivalents.

Reflecting Etex Building Performance’s commitment to driving technological innovation in drywall products, RAS 90 has been developed by the business’ own acoustic engineering team at its Innovation and Technology Centre in France.

Watch the RAS video.