• HomeRAB Pre-Cladding is suitable for the exterior of almost all residential buildings including those in Very High wind zones
• It is fixed directly to the framing and then vertical joints are sealed over the face
• HomeRAB Pre-Cladding is suitable for use behind all James Hardie claddings or alternative claddings such as brick, and timber weatherboard

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Corrosion Exposure Zone D

Very High Earthquake Zone

In the opinion of BRANZ, James Hardie Rigid Air Barriers, if used, designed, installed and maintained in accordance with the statements and conditions of this Appraisal, will meet, or contribute to meeting the following provisions of the NZBC:

• Clause B1 STRUCTURE: Performance B1.3.1, B1.3.2 and B1.3.4. James Hardie Rigid Air Barriers meet the requirements for loads arising from earthquake and wind [i.e. B1.3.3 (f) and (h)].
• Clause B2 DURABILITY: Performance B2.3.1(a), not less than 50 years, B2.3.1(b), 15 years and B2.3.2. James Hardie Rigid Air Barriers meet these requirements.
• Clause E2 EXTERNAL MOISTURE: Performance E2.3.2. When used as part of the cladding system, James Hardie Rigid Air Barriers will contribute to meeting this requirement.
• Clause F2 HAZARDOUS BUILDING MATERIALS: Performance F2.3.1. James Hardie Rigid Air Barriers meet this requirement and will not present a health hazard to people.

RAB Board is an Acceptable Solution rigid wall underlay material in terms of compliance with NZBC Acceptable Solution E2/AS1, Table 23.

This is an Appraisal of an Alternative Solution in terms of rigid wall underlay material for HomeRAB Pre-Cladding and an Alternative Solution installation method for both products in terms of the New Zealand Building Code compliance.

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Structure

Durability

External Moisture

Hazardous Building Materials

Energy Efficiency

BRANZ Appraised

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