New Zealand Building Code (NZBC)
The product will, if employed in accordance with the supplier's installation and maintenance requirements, assist with meeting the following provisions of the building code:
- Clause B2 Durability: Performance B2.3.1(a)
Notes
Compliance with the NZBC NZBC CLAUSE B1 – STRUCTURE The design and material specification for framing used in conjunction with this manual must be in accordance with NZS 3604 and for specific design, with NZS 3603 and AS/NZS 1170.NZBC CLAUSE B2 – DURABILITY Under the conditions of use set out in this manual GIB Weatherline® Rigid Air Barrier Systems comply with NZBC Clause B2.3.1(a), not less than 50 years when used where the cladding durability requirement or expected serviceable life is not less than 50 years, or when it is used in a bracing or fire rated system. GIB Weatherline® Rigid Air Barrier Systems comply with NZBC Clause B2.3.1(b), not less than 15 years where the cladding durability requirement is 15 years and when it is not used as part of a bracing or fire rated system. GIB Weatherline® Rigid Air Barrier Systems comply with NZBC Clause B2.3.2. NZBC CLAUSES C1–C6 – PROTECTION FROM FIRE GIB Weatherline® Rigid Air Barrier Systems can be used to provide passive fire protection in accordance with the requirements of the NZBC Clauses C1–C6 – Protection from Fire.NZBC CLAUSE E2 – EXTERNAL MOISTURE GIB Weatherline® Rigid Air Barrier Systems meet the NZBC requirements for rigid underlays (rigid air barriers) as an Alternative Solution proprietary system as outlined in E2/AS1 section 9.1.4, 9.1.7.2 and the performance requirements of Table 23 ‘Properties of roof underlays and wall underlays’.NZBC CLAUSE F2 – HAZARDOUS BUILDING MATERIALS Under normal conditions of use and serviceable life the products detailed in this manual meet the provisions of the NZBC Clause F2 and do not constitute a health hazard.
Evidence
The product meets the requirements set out in the following documents, or relevant parts of cited standards within the documents:
GIB Weatherline® Rigid Air Barrier Systems
The systems have been appraised by BRANZ as both a rigid air barrier and also as temporary weather protection for the exterior of a building (in conjunction with installed roof, soffit linings and exterior joinery) for a period of up to 90 days, prior to the installation of the exterior cladding. They are suitable for use in both residential and commercial buildings.
Maintenance requirements
GIB Weatherline® Rigid Air Barrier Systems will not normally require maintenance. However, if damage occurs to the installed system prior to the installation of the exterior cladding system, this damage must be repaired.If the exterior cladding system installed over GIB Weatherline® Rigid Air Barrier Systems is damaged, repairs or replacement should be carried out immediately to ensure the GIB Weatherline® Rigid Air Barrier System is completely protected from the element
Environmental
Sustainability and environmentWinstone Wallboards Ltd is committed to protecting the environment. Environmental matters are integrated into all our business activities: — Our operations strive to exceed all environmental regulatory requirements at all times. — Protection of the environment is a day to day responsibility that we must all accept. — We allocate management time and resources to address relevant environmental issues and continuously improve our activities in that area. — We will achieve our standards through positive action, employee involvement and constant communication with our neighbours, local authorities and customers.It is our objective to minimise on-site waste when designing and/ or installing GIB® Systems. GIB Weatherline® sheet offcuts, if separated from other building materials, can be readily recycled.For larger projects, waste can be diverted to compost manufacturers who grind up the GIB Weatherline® sheet and use it for compost. For smaller projects, the GIB Weatherline® sheet offcuts can be ground up and spread around the building site. There are no special requirements for the disposal of waste.
