Integra Light Weight Concrete Intertenancy System
- Appraisal number 1064
- Valid from
- Information provider
- BRANZ Limited
- Information type
- BRANZ Appraisal
The Integra Light Weight Concrete Intertenancy System is a sound insulating and fire-rated wall system. The Integra Light Weight Concrete Intertenancy System achieves a fire resistance rating (FRR) of 120/120/120 and a Sound Transmission Class (STC) of up to 67.
The Integra Light Weight Concrete Intertenancy System is a proprietary intertenancy wall system which provides horizontal fire and acoustic separation between adjacent occupancies within the same building. The core component of the system is Integra - a high-tech lightweight aerated autoclaved concrete (AAC) panel that is installed between traditional wall framing which has insulation and plasterboard lining on the outer faces.
The Integra Light Weight Concrete Intertenancy System is appraised for use as fire-rated and sound insulating internal walls between household units within the following scope:
- where constructed with timber fraiming within the scope of NZS 3604, light steel framing in accordance with NASH Standard Part 2: Light Steel Framed Buildings, or, timber or steel framing to a specific engineering design (refer Paragraph 8.3); and,
- to a maximum building height of 10.0 m when design in accordance with NZS 3604; or,
- with a maximum intertenancy wall height of 12.0 m when subject to a specific engineering design.