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Maximum Span Table L/360
Lumber: 1200fb S.P.F., MSR
Plates: 20 Gauge, Single Dip Galvanized
Depth: 12" to 24"
Single: 4x2 Tlc
Single: 4x2 Blc

LOAD
O/C
12"
14"
16"
18"
20"
22"
24"
40-
10-
5

24"
19.2"
16"
12"

19'-10"
21'-3"
22'-8"
24'-10"
22'-2"
23'-10"
25'-3"
27'-10"
24'-4"
26'-2"
27'-10"
30'-8"
26'-5"
28'-6"
30'-3"
33'-4"
28'-5"
30'-8"
32'-7"
35'-10"
30'-4"
30'-9"
34'-9"
38'-4"
32'-3"
34'-9"
36'-11"
40'-8"
60-
20-
5
24"
19.2"
16"
12"
17'-4"
18'-7"
19'-10"
21'-9"
18'-10"
20'-9"
22'-1"
24'-4"
20'-2"
22'-11"
24'-4"
26'-9"
21'-8"
24'-10"
26'-5"
29'-1"
23'-3"
26'-0"
28'-5"
31'-4"
24'-11"
27'-8"
30'-4"
33'-5"
25'-1"
28'-8"
32'-1"
35'-6"
80-
20-
5
24"
19.2"
16"
12"
15'-3"
16'-11"
17'-11"
19'-10"
17'-7"
18'-10"
20'-1"
22'-1"
18'-3"
20'-2"
21'-2"
24'-4"
19'-10"
21'-10"
24'-0"
26'-5"
20'-1"
23'-5"
25'-5"
28'-5"
20'-2"
25'-0"
27'-0"
30'-5"
21'-4"
25'-1"
28'-6"
32'-3"
100-
20-
5
24"
19.2"
16"
12"
13'-10"
15'-9"
16'-8"
18'-4"
14'-9"
17'-7"
18'-8"
20'-6"
15'-4"
18'-6"
20'-2"
22'-7"
16'-3"
20'-1"
21'-11"
24'-6"
17'-6"
20'-1"
23'-5"
26'-4"
18'-6"
21'-1"
23'-10"
28'-2"
19'-9"
22'-4"
25'-1"
29'-10"
This Span Table is provided for sample purposes only and is subject to specific application and capability limitations.


Typ. Btm. Chd. Bearing
on Stud Wall

Typical Top
Chord Bearing

Let-In Bearing

Cantilever

FlorTrus Duct Openings
30" Panels
Depth
A
B
C
12"

7.25"
3.75"
14.00"
14"
8.75"
4.75"
13.50"
16"
10.00"
5.75"
13.25"
18"
11.25"
6.75"
13.25"
20"
12.25"
7.75"
13.25"
22"
13.00"
8.75"
13.25"
24"
14.26"
9.75"
13.50"