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Note: National Embodied Carbon Data Repository is now live 📢

New Zealand’s National Embodied Carbon Data Repository, NECO2, is now freely and publicly available. View detail here.

BU677 Specifying roofs under H1 (2022)

Product Description

This bulletin guides architects and designers in specifying thermal roof performance that complies with H1/AS1 and H1/VM1 5th edition amendment 1.