Jackson Lumber Catalog
LUMBER & MILLWORK
Allowable Floor Clear Spans For RFPI ® Joist
40 PSF LIVE LOAD/10 PSF DEAD LOAD Joist Depth Joist Series
40/10 Simple Span
40/10 Multiple Span
12” o.c. 18' - 0" 18' - 7" 18' - 11" 21' - 5" 22' - 1" 22' - 7" 23' - 7" 24'-11" 26' - 6" 25' - 9" 26' - 10"
16” o.c. 19.2” o.c. 24” o.c.
12” o.c. 19' - 7" 20' - 2" 20' - 8" 23' - 5" 24' - 1" 24' - 8" 25' - 8" 28' - 10" 28' - 0" 29' - 3" 27'-1"
16” o.c. 19.2” o.c. 24” o.c.
RFPI ® 40S RFPI ® 40 RFPI ® 60S RFPI ® 40S RFPI ® 40 RFPI ® 60S RFPI ® 70 RFPI ® 80S RFPI ® 90 RFPI ® 60S RFPI ® 70 RFPI ® 80S RFPI ® 90 RFPI ® 60S RFPI ® 80S RFPI ® 90 RFPI ® 40S RFPI ® 40 RFPI ® 60S RFPI ® 40S RFPI ® 40 RFPI ® 60S RFPI ® 70 RFPI ® 80S RFPI ® 90 RFPI ® 60S RFPI ® 70 RFPI ® 80S RFPI ® 90 RFPI ® 60S RFPI ® 80S RFPI ® 90
16' - 5" 16' - 11" 17' - 4" 19' - 7" 20' - 2" 20' - 8" 21' - 6"
15' - 6" 16' - 0" 16' - 4" 18' - 6" 19' - 0" 19' - 6" 20' - 3" 22' - 8" 22' - 2" 23' - 0" 25' - 9" 24' - 7" 26'-10" 28' - 7" 21'-4" 24'-3" 15' - 6" 16' - 0" 16' - 4" 18' - 6" 19' - 0" 19' - 6" 20' - 3" 22' - 8" 22' - 0" 23' - 0" 21'-4"
14' - 6" 14' - 11" 15' - 3" 16' - 8" 17' - 9" 18' - 2" 18' - 10" 19'-11" 21' - 1" 20' - 8" 21' - 5"
17' - 11" 18' - 5" 18' - 10" 20' - 5" 22' - 0" 22' - 6" 23' - 5"
16' - 4" 17' - 5" 17' - 9" 18' - 7" 20' - 8" 21' - 2" 22' - 0" 24' - 8" 24' - 1" 24' - 9" 23'-3"
14' - 7" 16' - 2" 16' - 6" 16' - 7" 19' - 3" 19' - 7" 19' - 9" 22' - 11" 19' - 9" 19' - 9" 23'-11" 26' - 0" 19' - 9" 23'-11" 26' - 7" 21'-7" 14' - 1" 14' - 9" 14' - 2" 14' - 9" 16' - 5" 16' - 5" 16' - 5" 22' - 2" 16' - 5" 16' - 5" 19'-11" 22' - 2" 16' - 5" 19'-11" 22' - 2" 18'-6"
9-1/2”
11-7/8”
22'-8"
24'-8"
24' - 1" 23' - 6" 24' - 5"
26' - 3" 25' - 7" 26' - 7"
14”
28'-3"
25'-9"
22'-7"
30'-9"
28'-0"
26'-4"
30' - 1" 28' - 6"
27' - 5" 26' - 0"
23' - 11" 22' - 11"
32' - 10" 31' - 1"
29' - 10" 28' - 4"
28' - 1" 24' - 9"
16”
31'-4"
28'-6"
25'-0"
34'-2"
31'-1"
29'-3"
33' - 4"
30' - 4"
26' - 7"
36' - 5"
33' - 1"
31' - 1"
40 PSF LIVE LOAD/20 PSF DEAD LOAD
40/20 Simple Span
40/20 Multiple Span
Joist Depth
Joist Series
12” o.c. 18' - 0" 18' - 7" 18' - 11" 21' - 5" 22' - 1" 22' - 7" 23' - 7" 24'-11" 26' - 6" 25' - 9" 26' - 10"
16” o.c. 19.2” o.c. 24” o.c.
12” o.c. 19' - 7" 20' - 2" 20' - 8" 23' - 4" 24' - 1" 24' - 8" 25' - 8" 28' - 10" 27' - 10" 29' - 3" 27'-1"
16” o.c. 19.2” o.c. 24” o.c.
16' - 5" 16' - 11" 17' - 4" 19' - 7" 20' - 2" 20' - 8" 21' - 6"
14' - 6" 14' - 11" 15' - 3" 16' - 10" 17' - 9" 17' - 11" 18' - 10" 19'-11" 21' - 1" 19' - 8" 19' - 10"
17' - 10" 18' - 5" 18' - 10" 20' - 7" 21' - 10" 21' - 11" 23' - 5"
16' - 6" 17' - 5" 17' - 6" 18' - 6" 19' - 11" 20' - 0" 20' - 7" 24' - 8" 20' - 7" 20' - 7" 24'-11" 27' - 9" 20' - 7" 24'-11" 27' - 9" 23'-2"
9-1/2”
11-7/8”
22'-8"
24'-8"
24' - 1" 23' - 6" 24' - 5"
26' - 3" 24' - 1" 24' - 9"
14”
28'-3"
25'-9"
24'-3"
21'-2"
30'-9"
28'-0"
30' - 1" 28' - 6"
27' - 5" 26' - 0"
25' - 9" 23' - 9"
23' - 2" 19' - 10"
32' - 10" 30' - 0"
29' - 10" 24' - 9"
16”
31'-4"
28'-6"
26'-6"
21'-2"
34'-2"
30'-0"
33' - 4"
30' - 4"
28' - 7"
23' - 2"
36' - 5"
33' - 1"
Available RFPI ® Joist Sizes
LVL FLANGE
SOLID SAWN FLANGE
9 ¹⁄₂ ˝ 11 ⁷⁄₈ ˝
9 ¹⁄₂ ˝
¹⁄₂ ˝
11 ⁷⁄₈ ˝ 4˝
11 ⁷⁄₈ ˝
16˝ 9 ¹⁄₂ ˝
11 ⁷⁄₈ ˝
11 ⁷⁄₈ ˝ 9 ¹⁄₂ ˝ 14˝ 1 ⁷⁄₈ ˝
14˝ 11 ⁷⁄₈ ˝
11 ⁷⁄₈ ˝
11 ⁷⁄₈ ˝ ⁷⁄₈ ˝
14˝
11 ⁷⁄₈ ˝ 4˝
16˝
16˝
9 ¹⁄₂ ˝ 9 ¹⁄₂ ˝ 11 ⁷⁄₈ ˝
14˝ 4˝
16˝
9 ¹⁄₂ ˝ 11 ⁷⁄₈ ˝
11 ⁷⁄₈ ˝
14˝ 6
14˝
11 ⁷⁄₈ ˝ ⁷⁄₈ 4
16˝ 4˝
14˝
14˝
14˝
14˝
16˝
16˝
16˝
16˝
16˝
9 ¹⁄₂ ˝ 16˝
16˝
16˝ ˝
9 ¹⁄₂ ˝
9 ¹⁄₂ ˝
9 ¹⁄₂ ˝
9 ¹⁄₂ ˝ 11 ⁷⁄₈ ˝
11 ⁷⁄₈ ˝
9 ¹⁄₂ ˝
9 ¹⁄₂ ˝ 11 ⁷⁄₈ ˝
11 ⁷⁄₈ ˝
9 ¹⁄₂ ˝
11 ⁷⁄₈ ˝
11 ⁷⁄₈ ˝
9 ¹⁄₂ ˝
11 ⁷⁄₈ ˝
11 ⁷⁄₈ ˝
14˝
9 ¹⁄₂ ˝
11 ⁷⁄₈ ˝
9 ¹⁄₂ ˝
11 ⁷⁄₈ ˝
11 ⁷⁄₈ ˝ 4˝ 4
11 ⁷⁄₈ ˝
14˝
16˝
11 ⁷⁄₈ ˝
14˝
14˝ 6
14˝
14˝
14˝
14˝
14˝
14˝ 6
16˝
16˝
16˝
16˝
16˝
16˝
9 ¹⁄₂ ˝
9 ¹⁄₂ ˝
9 ¹⁄₂ ˝
9 ¹⁄₂ ˝
RFPI ® 40 2 B\zn ” wide x 1 C\, ” LVL Flange C\, ” OSB Web
RFPI ® 70 2 B\zn ” wide x 1 Z\x ” LVL Flange C\, ” OSB Web
RFPI ® 90 3 Z\x ” wide x 1 Z\x ” LVL Flange M\zn ” OSB Web
RFPI ® 40S 2 Z\x ” wide x 1 Z\x ” 1.5E Solid Sawn Flange C\, ” OSB Web
RFPI ® 60S 2 Z\x ” wide x 1 Z\x ” 1.8E Solid Sawn Flange C\, ” OSB Web
RFPI ® 80S 3 Z\x ” wide x 1 Z\x ” 1.8E Solid Sawn Flange C\, ” OSB Web
www.roseburg.com
March 2018
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