CSI Divisions
Find building materials by choosing CSI Master format categories. This system follows international specification guidelines and allows sourcing for professionals using this system.
Since the master format categories are vast, we will constantly refine this search approach and add relevant specialist sub-categories with the growing database.
- 03. Concrete
- 04. Masonry
- 05. Metals
- 06. Wood, Plastics, and Composites
- 07. Thermal and Moisture Protection
- 08. Openings
- 09. Finishes
- 10. Specialties
- 11. Equipment
- 12. Furnishings
- 13. Special Construction
- 14. Conveying Equipment
- 21. Fire Suppression
- 22. Plumbing
- 23. Heating, Ventilating, and Air Conditioning (HVAC)
- 26. Electrical
- 27. Communications
- 28. Electronic Safety and Security
- 32. Exterior Improvements
- 33. Utilities
- 34. Transportation
