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Updated Mar 12, 2026

The use of bio-based construction materials is growing. Many bio-based materials present fewer human and environmental health impacts compared to their petroleum- and mineral-based counterparts. However, particularly among highly processed composites, bio-based construction materials rely on adhesives to bind components together.

It is critical to understand the role and impact of these adhesives. The wide range of adhesive technologies, each with distinct technical properties and potential health impacts, adds complexity to the selection process. Depending on the application, the adhesive must be durable, fire-resistant, structurally sound, and, ideally, non-toxic over the course of the product lifecycle. Newer adhesives must also compete against well established glues on both cost and ease/speed of use.

Comprehensive, cross-disciplinary research is essential to navigate this complexity and inform product
selection for various bio-based construction applications.

This guidance playbook is intended to address the broader range of bio-based construction materials, with
particular focus on wood products, due to the expansion of mass timber use in the East Bay.