§ 2308.7.9 — § 2308.7.9

This section outlines the restrictions on notching or drilling engineered wood products, including prefabricated wood I-joists, structural glued-laminated timber, and structural composite lumber. Such alterations are only permissible if allowed by the manufacturer's recommendations or if they have been specifically addressed in the design by a registered design professional. Applies to building owners using these materials in construction.