The Nu-Wall Aluminium Cladding Cavity System is designed to be used as an external wall cladding system for residential and light commercial type buildings where domestic construction techniques are used. 

Appraised as an external wall cladding:

• For timber framing
• Wind Zones up to and including 'Extra High'

See BRANZ Appraisal 550 for full information.

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Extra High Wind Zone

In the opinion of BRANZ, the Nu-Wall Aluminium Cladding Cavity System if designed, used, installed and maintained in accordance with the statements and conditions of this Appraisal, will meet the following provisions of the NZBC:

• Clause B1 STRUCTURE: Performance B1.3.1, B1.3.2 and B1.3.4. The Nu-Wall Aluminium Cladding Cavity System meets the requirements for loads arising from self-weight, wind and impact [i.e. B1.3.3 (a), (h) and (j)]. See Paragraphs 9.1 - 9.3.
• Clause B2 DURABILITY: Performance B2.3.1 (b), 15 years. The Nu-Wall Aluminium Cladding Cavity System meets this requirement. See Paragraphs 10.1 and 10.2.
• Clause E2 EXTERNAL MOISTURE: Performance E2.3.2. The Nu-Wall Aluminium Cladding Cavity System meets this requirement. See Paragraphs 14.1 - 14.5.
• Clause F2 HAZARDOUS BUILDING MATERIALS: Performance F2.3.1. The Nu-Wall Aluminium Cladding Cavity System meets this requirement and will not present a health hazard to people. 3.2

See BRANZ Appraisal 550 for full information.

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BRANZ Appraised