Moisture Management Design Guide

Passive Ventilation and Air Barrier Solutions for Cold Roofs and Walls

The DriSpace systems encompass a combination of components, including DriStud wall and roof underlay, Cool Window Flashing tape, Vent products, and Proctor brand specialised construction membranes. These systems are designed with the goal of achieving a balance between airtightness and sufficient passive ventilation.

By adopting the principle of “build tight and ventilate right,” these systems contribute to enhancing New Zealand buildings. They create an air barrier envelope while still allowing buildings to “breathe.” Achieving balanced airflow throughout both habitable and non-habitable areas is crucial for creating a healthy living or working environment.

The introduction of passive ventilation in the roof space helps minimize interstitial condensation, ensuring a healthier and more energy-efficient building environment.

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NZIA accredited 10 CPD points presentation available on VENT passive ventilation and airtight envelope for cold roofs and walls.

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