Smoke Layer Height Calculator
Calculate smoke filling time and layer descent per NFPA 92.
NFPA 92 Design Fires
| Fuel Package | HRR (kW) |
|---|---|
| Wastebasket | 100-150 |
| Upholstered Chair | 1,000-2,000 |
| Sofa | 2,000-3,000 |
| Retail Kiosk | 2,000-5,000 |
| Office Workstation | 5,000-8,000 |