Skip to main content

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.

BU659 Upgrading the thermal performance of timber windows (2021)

Product Description

This bulletin describes approaches for upgrading thermal performance including reducing air infiltration, replacing ordinary single glazing and retrofitting insulating glass units (IGUs).