Used as an internal air and vapour control layer only.

INTELLO Humidity Variable Intelligent Airtightness System, if used, designed, installed and maintained in accordance with the statements and conditions of the BRANZ Appraisal, will meet, or contribute to meeting the following provisions of the NZBC:

• Clause B2 DURABILITY: Performance B2.3.1 (a) not less than 50 years, B2.3.1 (b) 15 years and B2.3.2. The INTELLO Humidity Variable Intelligent Airtightness System meet these requirements.
• Clause E3 INTERNAL MOISTURE: Performance E3.3.1. When used with an adequate combination of thermal resistance, ventilation and space temperature in habitable spaces, the INTELLO Humidity Variable Intelligent Airtightness System contributes to meeting this requirement.
• Clause F2 HAZARDOUS BUILDING MATERIALS: Performance F2.3.1. The INTELLO Humidity Variable Intelligent Airtightness System meets this requirement.
• Clause H1 ENERGY EFFICIENCY: Performance H1.3.1 (b) limiting uncontrollable airflow. The INTELLO Humidity Variable Intelligent Airtightness System contributes to meeting this requirement.