Catalog

Web Hole Specifications — Residential Installation Details: Never drill, cut or notch the flange, or over-cut the web. Holes in webs should be cut with a sharp saw. For rectangular holes, avoid over-cutting the corners, as this can cause unnecessary stress concentrations. Slightly rounding the corners is recommended. Start the rectangular hole by drilling a 1" - diameter hole in each of the four corners and then make the cuts between the holes to minimize damage to the I-Joist.

Web Hole Specifications for Residential Applications: Minimum Distance from Inside Face of Nearest Support to Center of Hole

Depth 9 1/2" 9 1/2" 9 1/2" 11 7/8" 11 7/8" 11 7/8" 11 7/8" 11 7/8" 11 7/8"

Series

2

3

4

5

6

7

8

9

10

11

12

40S/400

0' 7" 0' 8" 0' 7" 0' 7" 0' 7" 0' 7" 0' 7" 0' 9" 0' 7" 0' 7" 0' 7" 0' 7" 0' 7" 0' 7" 0' 7" 0' 7" 0' 7" 0' 7"

1' 7" 1' 11" 1' 11" 0' 8" 0' 10" 0' 8" 1' 0" 2' 0" 1' 4" 0' 8" 0' 8" 0' 8" 1' 0" 0' 8" 0' 8" 0' 8" 0' 8" 0' 8"

2' 10" 3' 2" 3' 5" 1' 3" 2' 0" 1' 8" 2' 5" 3' 4" 2' 9" 0' 8" 0' 10" 1' 6" 2' 3" 1' 3" 0' 8" 0' 8" 0' 8" 0' 8"

4' 1" 4' 9" 4' 11" 2' 5" 3' 5" 3' 0" 3' 10" 4' 8" 4' 4" 1' 6" 3' 6" 2' 11" 0' 9" 0' 8" 1' 2" 0' 10" 1' 3" 0' 10"

5' 6" 6' 6" 6' 6" 3' 8" 4' 11" 4' 4" 5' 6" 6' 1" 5' 11" 2' 7" 2' 0" 3' 1" 4' 9" 4' 7" 0' 9" 0' 9" 2' 5" 2' 9"

RFPI40

700

40S/400

5' 0" 6' 5" 5' 9" 7' 4" 7' 6" 7' 7" 4' 2" 3' 3" 4' 10" 6' 2" 6' 5" 1' 2" 2' 1" 3' 8" 4' 7"

6' 4" 8' 2" 7' 4" 9' 4" 9' 1" 9' 5" 5' 11" 4' 7" 6' 7" 7' 7" 8' 3" 2' 4" 4' 2" 4' 11" 6' 7"

RFPI40

700

RFPI70

80S/800

RFPI90 RFPI40

14" 14" 14" 14" 14" 16" 16" 16" 16"

7' 9" 6' 0" 8' 6" 9' 0" 10' 2" 3' 7" 6' 4" 6' 3"

9' 8" 7' 5"

700

RFPI70

10' 11" 10' 7" 12' 3" 4' 10"

80S/800

RFPI90

700

6' 3" 11' 0" 9' 2" 12' 11"

RFPI70

8' 7" 7' 8"

13' 6"

80S/800

RFPI90

8' 7"

10' 8"

15' 2"

X Beam —Treated Glulam for Exterior Applications Joist Length (Joists on one side)

Joist Length (Joists on both side)

6

8

10

12

14

16

6

8

10

12

14

16

Beam Span

10 ft 3.5 x 9.5 3.5 x 9.5 3.5 x 9.5 3.5 x 9.5 3.5 x 9.5 3.5 x 9.5 3.5 x 9.5 3.5 x 9.5 3.5 x 9.5 3.5 x 9.5 3.5 x 14 3.5 x 14 12 ft 3.5 x 9.5 3.5 x 9.5 3.5 x 9.5 3.5 x 9.5 3.5 x 9.5 3.5 x 9.5 3.5 x 9.5 3.5 x 9.5 3.5 x 11.87 3.5 x 14 3.5 x 14 5.5 x 14 14 ft 3.5 x 9.5 5.5 x 9.5 3.5 x 11.87 3.5 x 11.87 5.5 x 11.87 5.5 x 11.87 3.5 x 11.87 5.5 x 11.87 3.5 x 14 5.5 x 14 5.5 x 14 5.5 x 14 16 ft 3.5 x 11.87 3.5 x 11.87 5.5 x 11.87 5.5 x 11.87 5.5 x 11.87 5.5 x 14 3.5 x 14 5.5 x 14 5.5 x 14 5.5 x 16 5.5 x 16 5.5 x 16 20 ft 3.5 x 14 5.5 x 14 5.5 x 14 5.5 x 14 5.5 x 16 5.5 x 16 5.5 x 14 5.5 x 16 24 ft 5.5 x 14 5.5 x 16 5.5 x 16

2.1 RigidLam Column — Axial Load Capacity (lbs.) Column Height Column Dimensions

The preferred way to marry sloped rafter (or sloped I-Joist) framing to I-Joists used as ceiling joists or attic floor joists is to use a full-depth OSB rimboard and bear the sloped joists on top of

3.5 x 3.5 3.5 x 5.5 3.5 x 7.25 5.25 x 5.5 5.25 x 7.25 7 x 7.25

8,040 5,800 4,355

12,635 9,120 6,845

16,655 29,925 39,445 63,480 12,025 23,445 30,910 54,365

8 ft

10 ft 12 ft 16 ft 20 ft

9,025

18,515 12,170 8,530

24,410 45,545 16,045 31,995 11,240 23,285

a 2x wood plate on top of the subfloor. This condition is shown in illustration 1.

Jackson LUMBER & MILLWORK A

1.

14

July 2026