Headers & Beams : Allowable Load Tables
SFPA’s allowable load tables provide allowable floor loads (CD =1.0) and allowable roof loads (CD =1.15 and CD =1.25) for Southern Pine dimension lumber and Southern Pine glued laminated timber are detailed below.
For each application, a PDF download is available. Also see Assumptions for Table Development. Refer to SFPA’s publication Southern Pine Headers & Beams (download in Publications) that includes all size selection and allowable load tables.
| Table Number | Grade | Total Load Deflection Limit | Live Load Deflection Limit | Load Duration Factor, CD |
|---|---|---|---|---|
| Allowable Floor Loads (plf) | ||||
| 21 | No.1 | 240 | 240 | 1.00 |
| 22 | No.2 | 240 | 240 | 1.00 |
| 23 | No.3 | 240 | 240 | 1.00 |
| 24 | 24F-1.7E | 240 | 240 | 1.00 |
| 25 | 24F-1.7E | 240 | 240 | 1.00 |
| 26 | 24F-1.8E | 240 | 240 | 1.00 |
| Download a PDF, Tables 21 - 26 | ||||
| Allowable Roof Loads (plf) | ||||
| 27 | No.1 | 180 | 240 | 1.15 |
| 28 | No.2 | 180 | 240 | 1.15 |
| 29 | No.3 | 180 | 240 | 1.15 |
| 30 | 24F-1.7E | 180 | 240 | 1.15 |
| 31 | 24F-1.7E | 180 | 240 | 1.15 |
| 32 | 24F-1.8E | 180 | 240 | 1.15 |
| Download a PDF, Tables 27 - 32 | ||||
| 33 | No.1 | 180 | 240 | 1.25 |
| 34 | No.2 | 180 | 240 | 1.25 |
| 35 | No.3 | 180 | 240 | 1.25 |
| 36 | 24F-1.7E | 180 | 240 | 1.25 |
| 37 | 24F-1.7E | 180 | 240 | 1.25 |
| 38 | 24F-1.8E | 180 | 240 | 1.25 |
| Download a PDF, Tables 33 - 38 | ||||
