Headers & Beams : Size Selection Tables
The Southern Forest Products Association provides size selection tables for various beam spans and loading combinations for Southern Pine dimension lumber and Southern Pine glued laminated timber are available for the following applications:
Refer to SFPA’s publication Southern Pine Maximum Spans for Joists & Rafters (download in Publications) that includes all 46 tables. Design assumptions and calculations using code-recognized procedures are explained. Click on any of the five applications below to toggle the table.
| Table Number | Grade | Live or Ground Snow Load(psf) | Dead Load(psf) | Load Duration Factor, CD |
|---|---|---|---|---|
| 1 | All | 30 | 10 | 1.15 |
| 2 | All | 40 | 10 | 1.15 |
| 3 | All | 50 | 10 | 1.15 |
| 4 | All | 70 | 10 | 1.15 |
| 5 | All | 20 | 10 | 1.25 |
| 6 | All | 20 | 20 | 1.25 |
| Download a PDF, Tables 1 – 6 | ||||
| Table Number | Grade | Live or Ground Snow Load(psf) | Dead Load(psf) | Load Duration Factor, CD |
|---|---|---|---|---|
| 7 | All | 30 | 10 | 1.15 |
| 8 | All | 40 | 10 | 1.15 |
| 9 | All | 50 | 10 | 1.15 |
| 10 | All | 70 | 10 | 1.15 |
| 11 | All | 20 | 10 | 1.25 |
| 12 | All | 20 | 20 | 1.25 |
| Download a PDF, Tables 7 – 12 | ||||
| Table Number | Grade | Live or Ground Snow Load(psf) | Dead Load(psf) | Load Duration Factor, CD |
|---|---|---|---|---|
| 13 | All | 40 | 10 | 1.00 |
| Table Number | Grade | Live or Ground Snow Load(psf) | Dead Load(psf) | Load Duration Factor, CD |
|---|---|---|---|---|
| 14 | All | 40 | 10 | 1.00 |
| Download a PDF, Tables 13 – 14 | ||||
| Table Number | Grade | Live or Ground Snow Load(psf) | Dead Load(psf) | Load Duration Factor, CD |
|---|---|---|---|---|
| 15 | All | 30 | 10 | 1.15 |
| 16 | All | 40 | 10 | 1.15 |
| 17 | All | 50 | 10 | 1.15 |
| 18 | All | 70 | 10 | 1.15 |
| 19 | All | 20 | 10 | 1.25 |
| 20 | All | 20 | 20 | 1.25 |
| Download a PDF, Tables 15 – 20 | ||||
Loading conditions 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.
