Intertenancy Wall System with Minimum 64 STC Lets MDH Homeowners Enjoy the Quiet Life

Medium density projects across New Zealand are appearing wherever you look. With this housing intensification comes significant and special requirements when compared to single site dwellings. Two of the dominant concerns for all medium density projects are fire and acoustic protection — neither of which you want to fail post-construction.

The New Zealand Building Code requires minimum specifications to be met for both these topics, but the team at Resene Construction Systems thought why simply meet the minimum? They decided to exceed these requirements with a single standard specification system that can be installed easily and cost effectively for both steel and timber frame construction methods.

The INTEGRA Central Barrier Intertenancy System achieves minimum 64 STC (9 points higher than the NZBC minimum) and 120/120/120 FRR with all with standard 10mm plasterboard linings either side, so there's no need to change the plasterboard lining thicknesses to improve fire rating or acoustic performance.

The system incorporates 50mm thick INTEGRA AAC panel, aluminium fixing brackets, mortar and screws.

Resene Construction Systems are firm believers in keeping it simple for a better built environment.

See Resene Construction Systems at the BRANZ Medium Density seminar series in November, or call them to learn more.

INTEGRA Central Barrier Intertenancy System

Resene Construction Systems

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Resene Construction Systems INTEGRA Intertenancy Systems provide an intertenancy wall solution for medium density residential builds.

NZ-Owned Business

Resene Construction Systems INTEGRA Intertenancy Systems is for load bearing walls where a FRR is required on a wall.

Suitable for:

Intertenancy walls up to 12m in height
Maximum individual floor/ceiling height meets NZS 3604
For residential construction
Where a Fire Resistance Rating up to 120/120/120 is required
Where a minimum STC of at least 55 is required
Maximum loading of 4.5kN/Stud is required
As a solution to meet AS1530.4-2005

Resene Construction Systems INTEGRA Intertenancy Systems has been carefully designed to New Zealand conditions and independently tested and assessed to ensure it meets the performance criteria as outlined in NZBC:

B1 — Structure: The design and specification for timber framing must be in accordance with the performance requirements of NZBC B1. Framing used in accordance with NZS3604:2011 is compliant in accordance with NZBC B1 and is the best choice to use when using a Resene Construction Systems Intertenancy System. Where the framing falls outside the requirements of NZS3604:2011 it is recommend that an engineer is engaged to ensure that structural compliance is met.
B2 — Durability: Under normal conditions of internal use, the Resene Construction Systems Intertenancy System will achieve a service life in excess of 50 years and satisfy the requirements of NZBC B2.
C1-C6 — Protection from Fire: The Resene Construction Systems Intertenancy System can be used to provide passive fire protection in accordance with the requirement of NZBC C1-C6 – Protection from Fire. The Resene Construction Systems Intertenancy System has been peer reviewed and meets the provisions of NZBC C1-C6 when kept within the scope as outlined in Section 5 Scope of use for the Resene Construction Systems Intertenancy System.
F2 — Hazardous Building Materials: Under normal conditions of internal use, the Resene Construction Systems Intertenancy System does not constitute a health hazard and meets the provisions of the NZBC Clause F2.
G6 — Airborne and Impact Sound: The Resene Construction Systems Intertenancy System provides airborne noise control ratings that exceed the minimum requirements of NZBC Clause G6 — Airborne and Impact Sound. The Resene Construction Systems Intertenancy System has been peer reviewed and meets the provisions of NZBC G6 when kept within the scope 5 Scope of use for the Resene Construction Systems Intertenancy System.

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