NCC 2022 Compliance for Ventilation of Roof Spaces - High Level (10 - 75 Degree Roof Pitch)
In climate zones 6, 7 and 8 a roof must have a roof space that is ventilated to outdoor air through evenly distributed openings in accordance with Table 10.8.3 of the NCC 2022 ABCB Housing Provisions Standard.
This document provides guidance for roofs pitched between 10 to 75 degrees.
