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Construction workers on a construction site remodeling a house use this table.
A
B.
* * * *
С C
D
N
16-3
Confirm
Table for Maximum Joist Spans
Board size (inches)
Load Spacing
2x6 2x8 2x10 2x12 2x14.
(ps) (inches)
Span (feet-inches)
16
10
11-8 15-4 19-4
23-4
25-8
24 10-3
14-6 17-3 20-7 24-0
16
20
10-5 13-11 17-6 21-1 24-0
24 9-2 12-3 15-6 18-7 21-9
16 9-9
30
12-1
19-6 22-9
24 8-6
11-4 14-4 17-3 20-2
16 9.1 12-1 15-3 18-5 21-5
40
24 7-10 10-4 13-1 15-9 18-5
16 8-7 11-6 14-7 17-6 20-5
50
24 7-3 9-6 12-1 14-7 17-0
16 8-1 10-10 13-8 16-6 19-3
60
24 6-8 8-11 11-3 13-7 15-11
16 7-8 10-2 12-10 15-6 18-3
70
24 6-5 8-5 10-7 12-9 15-0
Load is the load or weight the floor must support. Spacing
refers to the space between joists in inches. Span is the
length and/or width of supporting floor.
70
Support