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Open Joist™ Stock Inventory – Chase Opening Sizes
Chase openings are centered on joist unless otherwise indicated.
Joist
Length |
9-1/4" Depth
Chase (+ or – 1/4") |
11-7/8" Depth
Chase (+ or – 1/4") |
14" Depth
Chase (+ or – 1/4") |
16" Depth
Chase (+ or – 1/4") |
| 3’ 0" |
6-1/4 x 21 |
8-7/8 x 21 |
11 x 21 |
13 x 21 |
| 4’ 0" |
Center post only* |
Center post only* |
Center post only* |
Center post only* |
| 5’ 0" |
6-1/4 x 19-1/2 |
8-7/8 x 2-7/8 |
11 x 18-1/2 |
13 x 14-1/8 |
| 6’ 0" |
6-1/4 x 7-1/4 |
8-7/8 x 14-3/4 |
11 x 6-1/8 |
None |
| 7’ 0" |
6-1/4 x 18-1/8 |
8-7/8 x 6-3/8 |
11 x 18-1/4 |
13 x 10 |
| 8’ 0" |
6-1/4 x 6-3/4 |
8-7/8 x 18-1/4 |
11 x 6 |
13 x 21-3/8 |
| 9’ 0" |
6-1/4 x 18-5/8 |
8-7/8 x 10-1/8 |
11 x 18 |
13 x 5-1/8 |
| 10’ 0" |
6-1/4 x 19-9/16 |
8-7/8 x 1-5/8 |
11 x 5-1/2 |
13 x 17-1/8 |
| 11’ 0" |
6-1/4 x 18-3/8 |
8-7/8 x 13-7/8 |
11 x 17-1/8 |
13 x 21 |
| 12’ 0" |
6-1/4 x 22-3/4 |
8-7/8 x 5-5/8 |
11 x 5 |
13 x 7-1/4 |
| 13’ 0" |
6-1/4 x 18-5/16 |
8-7/8 x 17-1/2 |
11 x 16-3/4 |
13 x 13-5/8 |
| 14’ 0" |
6-1/4 x 22-1/2 |
8-7/8 x 9-3/8 |
11 x 20-3/4 |
13 x 22-7/8 |
| 15’ 0" |
6-1/4 x 18-3/8 |
8-7/8 x 21-1/8 |
11 x 16-1/8 |
13 x 9-1/8 |
| 16’ 0" |
6-1/4 x 18-3/4 |
8-7/8 x 10-3/8 |
11 x 20-1/2 |
13 x 21-1/8 |
| 17’ 0" |
6-1/4 x 6-3/8 |
8-7/8 x 19-1/2 |
11 x 10-1/8 |
13 x 4-3/8 |
| 18’ 0" |
6-1/4 x 5-3/4 |
8-7/8 x 18-1/2* |
11 x 19-1/2 |
13 x 16 |
| 19’ 0" |
6-1/4 x 6-3/8 |
8-7/8 x 20-1/4 |
11 x 19-1/4* |
13 x 20-1/8 |
| 20’ 0" |
6-1/4 x 5-5/8 |
8-7/8 x 22-3/8* |
11 x 19 |
13 x 25-3/4* |
| 21’ 0" |
|
8-7/8 x 24 |
11 x 20-1/4 |
13 x 21-1/4 |
| 22’ 0" |
8-7/8 x 15-3/4 |
11 x 20-1/4* |
13 x 19-1/8* |
| 23’ 0" |
8-7/8 x 15* |
11 x 19-3/4 |
13 x 16-7/8 |
| 24’ 0" |
|
11 x 21-3/4* |
13 x 20-3/8 |
| 25’ 0" |
11 x 19-1/4 |
13 x 12-1/8 |
| 26’ 0" |
|
13 x 18-3/8 |
| 27’ 0" |
13 x 7 |
| 28’ 0" |
13 x 19-7/8 |
| 29’ 0" |
13 x 3 |
| 30’ 0" |
13 x 14-7/8 |
*Not Centered
Universal Forest Products Eastern Division, Inc. manufactures the Open Joist™ product as a licensee of Distribution Open Joist 2000, Inc. All Open Joist product design and engineering calculations are created by the licensor, Distribution Open Joist 2000, Inc.
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