In the context of commercial construction in Australia, a batt refers to a type of insulation material used to reduce heat transfer and energy loss in buildings. Specifically, it is a flexible, blanket-like material made of fiberglass, wool, or other materials, designed to fit between studs, joists, or other structural elements in walls, floors, and ceilings.

Relevant Australian Standards

The use of batts in commercial construction in Australia is subject to various standards and regulations. Some of the relevant Australian standards include:

• AS/NZS 4859.1:2002, "Materials for the thermal insulation of buildings" [information is missing on the exact requirement from this standard]
• AS/NZS 3000:2007, "Electrical installations (known as the Australian/New Zealand Wiring Rules)"

BCA Requirements

The Building Code of Australia (BCA) provides minimum requirements for the use of batts in commercial construction. Some of the relevant BCA requirements include:

• Compliance with minimum energy efficiency requirements, as outlined in BCA Volume One
• Compliance with fire and safety requirements, as outlined in BCA Volume One
• Assessment of batts to comply with relevant regulatory or Australian standards' requirements

Installation Requirements

The installation of batts in commercial construction in Australia must comply with relevant Australian standards and BCA requirements. Some of the key installation requirements include:

• Ensuring that batts are installed in accordance with the manufacturer's instructions and relevant Australian standards
• Ensuring that batts are properly fitted and secured to prevent gaps or compression
• Ensuring that batts are not damaged or compromised during installation

Conclusion

In summary, the definition of batt in commercial construction in Australia refers to a type of insulation material used to reduce heat transfer and energy loss in buildings. The use of batts is subject to various Australian standards and BCA requirements, including compliance with minimum energy efficiency, fire and safety requirements, and proper installation.