Tables providing size selections for various beam spans and loading combinations for Southern Pine dimension lumber and Southern Pine glued laminated timber are available for the following applications:

  • Window, Door & Garage Door Headers – Supporting Roof Loads Only
  • Window, Door & Garage Door Headers – Supporting Roof, Wall & Floor Loads
  • Floor Girder Beams
  • Floor Edge Beams
  • Roof Ridge Beams

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.

Table NumberGradeLive or Ground Snow Load(psf)Dead Load(psf)Load Duration Factor, CD
Window, Door & Garage Door Headers - Supporting Roof Loads Only
1
2
3
4
5
6
All
All
All
All
All
All
30
40
50
70
20
20
10
10
10
10
10
20
1.15
1.15
1.15
1.15
1.25
1.25
Download a PDF, Tables 1 - 6
Window, Door & Garage Door Headers - Supporting Roof, Wall & Floor Loads
7
8
9
10
11
12
All
All
All
All
All
All
30
40
50
70
20
20
10
10
10
10
10
20
1.15
1.15
1.15
1.15
1.25
1.25
Download a PDF, Tables 7 - 12
Floor Girder Beams
13All40101.00
Floor Edge Beams
14All40101.00
Download a PDF, Tables 13 - 14
Roof Ridge Beams
15
16
17
18
19
20
All
All
All
All
All
All
30
40
50
70
20
20
10
10
10
10
10
20
1.15
1.15
1.15
1.15
1.25
1.25
Download a PDF, Tables 15 - 20