Page 236 - ICC IEBC 2018

RESOURCE A

TABLE 1.3.2—continued
WOOD FRAME WALLS
4″ TO LESS THAN 6″ THICK.
PERFORMANCE REFERENCE NUMBER REC.
ITEM CODE THICKNESS CONSTRUCTION DETAILS NOTES
LOAD TIME PRE-BMS-92 BMS-92 POST-BMS-92 HOURS
1
2″ × 4″ stud wall; 16″ o.c.; / ″ gypsum
2
1
W-6-W-24 6″ board each side; / ″ gypsum plaster each N/A 68 min. 7 16 1
2
side.
3
2″ × 4″ stud wall; 18″ o.c.; / ″ gypsum
4
3
7
1
W-6-W-25 6 / ″ plank each side; / ″ gypsum plaster each N/A 80 min. 7 15 1 /
8 16 3
side.
3
2″ × 4″ stud wall; 16″ o.c.; / ″ gypsum
8
3
1
W-5-W-26 5 / ″ board each side; / ″ gypsum plaster each N/A 37 min. 7 15 1 /
8 16 2
side.
3
8
3
W-5-W-27 5 / ″ 2″ × 4″ stud wall; 16″ o.c.; / ″ gypsum lath N/A 52 min. 7 15 3 / 4
4
1
each side; / ″ gypsum plaster each side.
2
1
2
W-5-W-28 5″ 2″ × 4″ stud wall; 16″ o.c.; / ″ gypsum N/A 37 min. 7 16 1 /
board each side. 2
1
2
W-5-W-29 5″ 2″ × 4″ stud wall; / ″ fiberboard both sides N/A 28 min. 7 15 1 /
2
14% M.C. with F.R. paint at 35 gm./ft. . 3
1
2
3
W-4-W-30 4 / ″ 2″ × 4″ stud wall; Fire side: / ″ (wood) N/A 17 min. 7 15, 16 1 / 4
1
4
fiberboard; Back side: / ″ CAB; 16″ o.c.
4
1
2″ × 4″ stud wall; 16″ o.c.; / ″ fiberboard
2
1
1
W-5-W-31 5 / ″ insulation with / ″ asbestos (both sides of N/A 50 min. 7 16 3 /
8 32 4
each board).
2″ × 4″ stud wall; / ″ thick gypsum See 17, 18,
3
1
8
W-4-W-32 4 / ″ wallboard on both faces; insulated cavities. Note 23 25 min. 1 23 1 / 3
4
2″ × 4″ stud wall; / ″ thick gypsum See
1
1
2
W-4-W-33 4 / ″ wallboard on both faces. Note 17 40 min. 1 17, 23 1 / 3
2
2″ × 4″ stud wall; / ″ thick gypsum See 17, 18,
1
2
1
W-4-W-34 4 / ″ wallboard on both faces; insulated cavities. Note 17 45 min. 1 23 3 / 4
2
2″ × 4″ stud wall; / ″ thick gypsum 17, 18,
1
1
2
W-4-W-35 4 / ″ wallboard on both faces; insulated cavities. N/A 1 hr. 1 24 1
2
1
2
1
W-4-W-36 4 / ″ 2″ × 4″ stud wall; / ″ thick, 1.1 lbs./ft. 2 See 15 min. 1 17, 23 1 / 4
2
wood fiberboard sheathing on both faces. Note 23
1
1
2
W-4-W-37 4 / ″ 2″ × 4″ stud wall; / ″ thick, 0.7 lb./ft. 2 See 10 min. 1 17, 23 1 / 6
2
wood fiberboard sheathing on both faces. Note 23
1
2″ × 4″ stud wall; / ″ thick, flameproofed
2
2
1
W-4-W-38 4 / ″ 1.6 lbs./ft. wood fiberboard sheathing on See 30 min. 1 17, 23 1 /
2 Note 23 2
both faces.
2″ × 4″ stud wall; / ″ thick gypsum See 17, 18,
1
1
2
W-4-W-39 4 / ″ wallboard on both faces; insulated cavities. Note 23 1 hr. 1 23 1
2
2″ × 4″ stud wall; / ″ thick, 1:2; 1:3 See 17, 21,
1
2
1
W-4-W-40 4 / ″ gypsum plaster on wood lath on both faces. Note 23 30 min. 1 23 1 / 2
2
1
2″ × 4″ stud wall; / ″, 1:2; 1:3 gypsum
2
1
W-4-W-41 4 / ″ plaster on wood lath on both faces; insu- See 1 hr. 1 17, 18, 1
2 Note 23 21, 24
lated cavities.
(continued)
2018 INTERNATIONAL EXISTING BUILDING CODE ® 217
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