| CSI Code | Short Description | Extended Description |
| 08300 | Specialty Door |
| 08310 | Access Doors and Panel | Access Doors and Frames Access Panels and Frames |
| 08320 | Detention Doors and Frame | Detention Door Frame Protection Steel Detention Doors and Frames Steel Plate Detention Doors and Frames |
| 08330 | Coiling Doors and Grille | Coiling Counter Doors Coiling Counter Grilles Overhead Coiling Doors Overhead Coiling Grilles Side Coiling Doors Side Coiling Grilles |
| 08340 | Special Function Door | Cold Storage Doors Hangar Doors Lightproof Doors Radiation Protection Doors Radio - Frequency - Interference (RFI) Sheilding Doors Sound Control Doors Industrial Doors |
| 08350 | Folding Doors and Grille | Accordion Folding Doors Accordion Folding Grilles Folding Fire Doors Panel Folding Doors |
| 08360 | Overhead Door | Sectional Overhead Doors Single - Panel Overhead Doors |
| 08370 | Vertical Lift Door | Multi - Leaf Vertical Lift Doors Telescoping Vertical Lift Doors |
| 08380 | Traffic Door | Flexible Strip Doors Flexible Traffic Doors Rigid Traffic Doors |
| 08390 | Pressure-Resistant Door | Airtight Doors Blast - Resistant Doors Watertight Doors |