Noise control plays an important role in office comfort, productivity and privacy/confidentiality. Studies show that a positive environment has a positive effect on business. Attention needs to be given to noise control, room acoustics, and services. Open plan offices require a degree of privacy which is achieved to some extent by masking sounds. Senior managers expect more noise control and require it for confidentiality. Seminar and meeting rooms, and walls between tenants need to protect the amenity value of users. Wall penetrating ceilings will provide a higher level of performance, thus making GIB Noise Control Systems the perfect solution.

Other areas requiring attention are those that endure noise disturbance from neighbouring rooms (adjacent, above or below) in the form of airborne sound from TV and voices, impacts from footsteps along corridors and stairs, or services like showers and toilets. Noise from impacts travels horizontally along floors as well as up and down; impact through walls can be a concern where there are no buffers from wardrobes or bathrooms.

Noise from lobbies, entertainment and conference rooms can require special attention as well.

Protection from external noise is important near main roads and airports, while room acoustic treatment around receptions in large foyers can aid intelligibility.

GIB Noise Control Systems are ideal for use in such situations.

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In the opinion of BRANZ , the GIB Noise Control systems, if designed, and used, installed and maintained in accordance with with the statements and conditions of Appraisal No.394 [2017], will meet the following provisions of the NZBC:

• Clause B1 Structure: Performance B1.3.1, B1.3.2 and B1.3.4.
• Clause B2 Durability: Performance B2.3.1(a), B2.3.1(b), B2.3.1(c).
• Clause C3 Spread of Fire: Performance C3.4(a) and C3.6
• Clause F2 Hazardous Building Material: Performance F2.3.1
• Clause G6 Airborne and Impact Sound: Performance G6.3.1 and G6.3.2.

All GIB unfinished plasterboard sheet materials achieve a Group 1-S interior fire rating to NZBC C/AS2-AS6, Table 4.1, following testing in accordance with ISO 5660.1 and ISO 5660.2.

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BRANZ Appraised

Designed to provide noise control solutions for vertical and horizontal building elements.

The systems offered include both NZBC compliant, and discretionary levels of performance.

The penetration and junction details in this manual are meant to assist specifiers and builders when designing and constructing buildings that incorporate GIB Noise Control® Systems.

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BRANZ Appraisal GIB Noise Control® Systems have been appraised by the Building Research Association of New Zealand (BRANZ), Appraisal No. 394 (2017) GIB Noise Control® Systems 2017.

• NZBC Clause B1 — Structure The design and material specification for framing used in conjunction with this manual must be in accordance with the performance requirements for NZBC Clause B1. NZS 3604:2011 is a Compliance Document to NZBC Clause B1.
• NZBC Clause B2 — Durability Under normal conditions of dry internal use the products detailed in GIB Noise Control® Systems have a service life in excess of 50 years and satisfy the requirements of NZBC Clause B2.
• NZBC Clauses C1–C6 — Protection from Fire GIB Noise Control® Systems can be used to provide passive fire protection in accordance with the requirements of NZBC Clause C1-C6 — Protection from Fire
• NZBC Clause F2 — Hazardous Building Materials Under normal conditions of use and serviceable life, the products detailed in GIB Noise Control® Systems do not constitute a health hazard and meet the provisions of the NZBC Clause F2.
• NZBC Clause G6 — Airborne and Impact Sound GIB Noise Control® Systems that appear in the Intertenancy section of this literature provide airborne and impact noise control ratings that meet or exceed the minimum requirements for NZBC Clause G6 — Airborne and Impact Sound

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