Committee votes not to advance embodied‑carbon appendix this code cycle after broad debate

Summary

After extensive public comment and a long committee discussion on alternative compliance pathways, market impacts and alignment with state workgroups, the BFRW committee voted on June 27 not to advance the proposed embodied-carbon appendix as part of the code this cycle. The committee recorded a 3–2 roll-call vote; proponents asked for continued,

The Building Code Council BFRW standing committee on June 27 heard more than two hours of public comment and committee debate on a proposed appendix addressing embodied carbon in building materials. After hearing proponents and opponents, the committee voted not to adopt the embodied‑carbon appendix as part of the code this cycle.

The debate focused on three compliance pathways in the petition (a whole‑building life‑cycle analysis, a product‑based prescriptive pathway, and a reuse pathway), the availability and comparability of product EPDs and PCRs, regional supply constraints (especially for low‑carbon cementitious materials), and the relationship between the appendix and state work mandated by recent legislation (the HB 1282 / "12 82" Commerce working group on EPDs).

Why it matters: the committee's decision affects whether jurisdictions can adopt an optional code appendix that would set embodied‑carbon metrics for new construction, potentially influencing material selection, supplier markets and contractor eligibility in Washington.

Public commenters and industry groups presented competing views. Amy Lewis of the New Buildings…

Committee votes not to advance embodied‑carbon appendix this code cycle after broad debate

Summary

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