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Gyprock Shaft Systems are non-loadbearing, fire resistant wall assemblies designed to encase lift shafts, stairwells and service ducting in low and high rise construction.

Gyprock Shaft Systems combine lightweight construction, rapid installation and plasterboard finishing techniques to offer significant cost savings to builders and developers particularly when combined with structural steel construction. They are designed predominantly for erection from one side only. Walls are assembled from outside the shaft at each floor, eliminating the need for access or scaffolding within the shaft.

Application

A comprehensive range of Gyprock Shaft Systems is available to accommodate most common applications. Gyprock Shaft Systems are predominately used for lifts, stairwells and shafts for air conditioning ducting and other services.

System Advantages

  • Rapid installation
  • Lightweight
  • Space efficient
  • Easy materials handling
  • No wet trades required

System Performance

Shaft Wall systems can play a critical role in a building. They are responsible for ensuring the safety of occupants in the event of a fire and they need to reduce the transfer of noise associated with lifts and mechanical services.

Fire Resistance

Shaft Walls such as walls enclosing lifts, stairwells and fire-isolated passageways, perform an important function should fire occur providing protection for the fire brigade entering the building to reach a fire, and to the occupants attempting to leave the building. Walls enclosing services also need to protect services and prevent the spread of fire from within the service duct. These walls must offer proven fire resistance for the design fire period, including sufficient structural strength to fulfil these functions. The BCA specifies the minimum fire resistance level and structural performance requirements of lightweight construction systems when used to protect building components in the various types of buildings.

Gyprock Shaft Systems have been tested in accordance with Australian Standard AS1530 Part 4. The fire resistance levels quoted for Gyprock Shaft Systems apply for fire attack from either direction, despite their non-symmetrical nature.

Acoustic Performance

Shaft and Service walls need to provide high performance acoustic separation between noisy services and building occupants.

Various Gyprock Shaft System configurations have been laboratory tested for acoustic performance. Testing has been conducted in accordance with the relevant standards at the time of testing. Where test results are not available, estimates calculated by PKA Acoustic Consulting are provided.

System Design

Steel Frame Typical Layout

System Components

Gyprock Shaft Wall systems include a range of lining, insulation and accessory options to be determined by the designer in order to achieve different performance requirements. Only those product options specified should be used in order to guarantee the fire and acoustic performance of the system.

Lining Options

Fasteners

  • Gyprock plasterboard laminating screws
  • Drill-point wafer-head screw
  • Needle-point screw
  • Track fasteners

Sealants

Other Accessories

  • Rondo E-Stud
  • Rondo J-Track
  • Rondo C-H Stud
  • Rondo Deflection Head Track
  • Rondo Jamb