Tables providing allowable floor loads (C=1.0) and allowable roof loads (C=1.15 and C=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 NumberGradeTotal Load Deflection LimitLive Load Deflection LimitLoad Duration Factor, CD
Allowable Floor Loads (plf)
21
22
23
24
25
26
No.1
No.2
No.3
24F-1.7E
24F-1.7E
24F-1.8E
240
240
240
240
240
240
360
360
360
360
360
360
1.00
1.00
1.00
1.00
1.00
1.00
Download a PDF, Tables 21 - 26
Allowable Roof Loads (plf)
27
28
29
30
31
32
No.1
No.2
No.3
24F-1.7E
24F-1.7E
24F-1.8E
180
180
180
180
180
180
240
240
240
240
240
240
1.15
1.15
1.15
1.15
1.15
1.15
Download a PDF, Tables 27 - 32
33
34
35
36
37
38
No.1
No.2
No.3
24F-1.7E
24F-1.7E
24F-1.8E
180
180
180
180
180
180
240
240
240
240
240
240
1.25
1.25
1.25
1.25
1.25
1.25
Download a PDF, Tables 33 - 38