The Integra Lightweight Concrete Façade System is a pressure moderated, cavity-based external wall cladding system for residential and light commercial type buildings where domestic construction techniques are used.

See BRANZ Appraisal No 681 [2018]

The Integra Lightweight Concrete Façade System has been appraised by BRANZ (Appraisal no. 681 [2018]) as an external wall cladding system for buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1; and,
• with a risk score of 0-20, calculated in accordance with NZBC Acceptable Solution E2/AS1, Table 2; and,
• situated in NZS 3604 Wind Zones up to, and including Extra High

The Integra Lightweight Concrete Façade System has also been appraised for weathertightness and structural wind loading when used as an external wall cladding system for buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1; and,
• constructed with timber or steel framing subject to specific engineering design; and,
• situated in specific design wind pressures up to a maximum design differential ultimate limit state (ULS) of 2.5 kPa

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Corrosion Exposure Zone D

High Earthquake Zone

Low Earthquake Zone

Medium Earthquake Zone

Very High Earthquake Zone

Extra High Wind Zone

Specific Design Wind Zone

In the opinion of BRANZ (Appraisal no. 681 [2018]), the Integra Lightweight Concrete Façade 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 Integra Light Weight Concrete Façade System meets the requirements for loads arising from self-weight, earthquake, wind, impact and creep [i.e. B1.3.3 (a), (f), (h), (j) and (q)]. See Paragraphs 10.1 - 10.4
• Clause B2 DURABILITY: Performance B2.3.1 (b), 15 years, B2.3.1 (c), 5 years, and B2.3.2. The Integra Light Weight Concrete Façade System meets these requirements. See Paragraphs 11.1 and 11.3
• Clause E2 EXTERNAL MOISTURE: Performance E2.3.2. The Integra Light Weight Concrete Façade System meets this requirement. See Paragraphs 15.1 - 15.5
• Clause F2 HAZARDOUS BUILDING MATERIALS: Performance F2.3.1. The Integra Light Weight Concrete Façade System meets this requirement and will not present a health hazard to people

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Structure

Durability

Hazardous Building Materials

Airborne and Impact Sound

Independent Assessment

Test Results