This allows you to tag sections for quick filtering.

New sections in Division 01 for climate adaptation and Division 33 for flood barriers.

Visit the official CSI store or your Procore/Bluebeam portal today. Your future self—the one not staying up late chasing misnumbered specs—will thank you. Disclaimer: This article is for informational purposes. CSI MasterFormat is a registered trademark of the Construction Specifications Institute. Always refer to CSI for the most current and official version.

| | MasterFormat 2018 | MasterFormat 2020 | Change | | :--- | :--- | :--- | :--- | | 01 30 00 | Administrative Requirements | Project Requirements (Scope expanded) | Renamed & restructured | | 08 90 00 | Louvers and Vents | Louvers, Vents, and Sun Control Devices | Added "Sun Control" | | 22 10 00 | Plumbing Fixtures | Plumbing Fixtures and Equipment | Merged with 22 60 00 | | 27 00 00 | Communications | Integrated Communication Systems | Reflects VoIP & fiber optics | | 40 00 00 | Process Interconnections | Process & Industrial Equipment (Major expansion) | New numbers for battery storage |

You need a sortable, searchable, and editable spreadsheet, not just a static PDF. You need the power of Excel to filter, map cost codes, and build your project manuals.