HomeRAB® Pre-Cladding is an alternative to traditional flexible underlays used in residential buildings and provides the benefits of an extra weathertightness, improved thermal resistance and acoustic performance at the same time.
HomeRAB® Pre-Cladding is a 4.5mm thick fibre cement sheet sealed on the face and edges and is used as a rigid air barrier on residential buildings.
Provides early lock up and helps in achieving complete weathertightness which means you can start working on the inside before the final cladding goes on reducing build time, saving time and money. Can eliminate one building consent authority inspection when pre-line and pre-clad inspections are combined.
Water repellent sealer applied on the face and edges helps to dispose of moisture quickly and resists moisture penetration.
Scope of use
Used as rigid air barrier for residential buildings within the scope of NZS 3604 and in wind zones up to and including VH as per NZS 3604.
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 B1 Structure: Performance B1.3.1, B1.3.2
- Clause B2 Durability: Performance B2.3.1(a), B2.3.1(b), B2.3.2
- Clause C3 Fire affecting areas beyond the fire source: Performance C3.6, C3.7(a)
- Clause E2 External moisture: Performance E2.3.2, E2.3.3, E2.3.4, E2.3.5, E2.3.6
- Clause F2 Hazardous building materials: Performance F2.3.1
- Clause H1 Energy efficiency : Performance H1.3.1
The product meets the requirements set out in the following documents, or relevant parts of cited standards within the documents:
Structure - B1: HomeRAB Pre-Cladding installed as per its installation manual has been assessed to withstand wind pressures for various wind zones up to and including VH as per NZS 3604 and meets the requirements of B1.3.1, B1.3.2 and B1.3.4 of Clause B1. HomeRAB Pre-Cladding is tested as per BRANZ P21 test and is suitable for use in bracing applications for buildings within the scope of NZS 3604.
Durability - B2: HomeRAB Pre-Cladding is manufactured in accordance with AS/NZS 2908.2 and meets the durability performance requirements of section B2.3.1(a) and B2.3.2 of Clause-B2.
External Moisture - E2: HomeRAB Pre-Cladding has been tested and meets the requirements of Table 23 of E2/AS1.
Hazardous Building Materials - F2: HomeRAB Pre-Cladding complies with the requirements of F2.3.1 and will not present a health hazard when handled as per its technical specifications.
The product has and can make available the following additional evidence to support the above statements:
No intermediate cavity battens required. Suitable to withstand wind pressures experienced in wind zones as specified in NZS 3604 up to very high wind zone. HomeRAB® Pre-Cladding can be used to achieve structural bracing. When used in a bracing element it must be fixed with HardieFlex Nails.
Sealing tape must be installed over all vertical joints.
Horizontal flashing must be installed when more than one sheet high.
HomeRAB Pre-Cladding has a standard product warranty of 15 years.
We aim to conduct business in an environmentally sound and sustainable manner and to use management systems and operating procedures to identify, monitor, control and reduce the impact of our operations and our products on the environment. We strive to continually improve our manufacturing processes and product formulations to minimise our carbon footprint. As such, we are committed to ecologically sustainable development (ESD) principles.
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