Page 239 - 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
2″ × 4″ stud wall; / ″ thick of 1:2; 1:2
1
2
3
8
1
W-5-W-73 5 / ″ gypsum plaster on / ″ gypsum lath (plain, See 45 min. 1 17, 21, 3 /
indented or perforated) on both sides of Note 23 23
4 4
wall.
7
2″ × 4″ stud wall; / ″ thick of 1:2; 1:3 gyp-
8
See
1
W-5-W-74 5 / ″ sum plaster over metal lath on both sides Note 23 1 hr. 1 17, 21, 1
4
23
of wall.
2″ × 4″ stud wall; / ″ thick of 1: / :2; 1:
1
7
8 30
1 / :3 portland cement, asbestos plaster See 17, 21,
1
30
W-5-W-75 5 / ″ applied over metal lath on both sides of Note 23 1 hr. 1 23 1
4
wall.
7
2″ × 4″ stud wall; / ″ thick of 1:2; 1:3
8
1
W-5-W-76 5 / ″ portland cement plaster over metal lath on See 45 min. 1 17, 21, 3 /
4 Note 23 23 4
both sides of wall.
2″ × 4″ stud wall; 1″ thick neat gypsum
1
W-5-W-77 5 / ″ plaster over metal lath on both sides of N/A 2 hrs. 1 17, 22, 2
2 24
wall; nonload bearing.
2″ × 4″ stud wall; / ″ thick of 1:2; 1:2
1
2
1
1
W-5-W-78 5 / ″ gypsum plaster on / ″ thick, 0.7 lb./ft. 2 See 35 min. 1 17, 21, 1 /
2 2 Note 23 23 2
wood fiberboard on both sides of wall.
1
2″ × 4″ wood stud wall; / ″ thick of 1:2;
2
3
W-4-W-79 4 / ″ 1:2 gypsum plaster over wood lath on both N/A 1 hr. 43 21, 31, 1
4 35, 38
sides of wall; mineral wool insulation.
3
W-4-W-80 4 / ″ Same as W-4-W-79 but uninsulated. N/A 35 min. 43 21, 31, 1 / 2
4
35
1
2″ × 4″ wood stud wall; / ″ thick of 3:1:8;
2
3
W-4-W-81 4 / ″ 3:1:12 lime, Keene’s cement, sand plaster N/A 1 hr. 43 21, 31, 1
over wood lath on both sides of wall;
4
35, 40
mineral wool insulation.
1
1
2″ × 4″ wood stud wall; / ″ thick of 1:6 / ;
4
2
1
3
4
W-4-W-82 4 / ″ 1:6 / lime Keene’s cement plaster over N/A 30 min. 43 21, 31, 1 / 2
wood lath on both sides of wall;
4
35, 40
mineral wool insulation.
1
2″ × 4″ wood stud wall; / ″ thick of 1:5;
2
3
W-4-W-83 4 / ″ 1:7.5 lime plaster over wood lath on both N/A 30 min. 43 21, 31, 1 /
4 35 2
sides of wall.
11
2″ × 4″ wood stud wall; / ″ thick of 1:5;
16
1
W-5-W-84 5 / ″ 1:7.5 lime plaster over wood lath on both N/A 45 min. 43 21, 31, 3 /
8 35, 39 4
sides of wall; mineral wool insulation.
3
2″ × 4″ wood stud wall; / ″thick of 1:5;
4
1
W-5-W-85 5 / ″ 1:7 lime plaster over wood lath on both N/A 40 min. 43 21, 31, 2 /
4 35, 40 3
sides of wall; mineral wool insulation.
1
2″ × 4″ wood stud wall; / ″ thick of 2:1:12
2
lime, Keene’s cement and sand scratch
1
1
2
W-5-W-86 5 / ″ coat; / ″ thick 2:1:18 lime, Keene's N/A 1 hr. 43 21, 31, 1
4
cement and sand brown coat over wood 35, 40
lath on both sides of wall; mineral wool
insulation.
1
2″ × 4″ wood stud wall; / ″ thick of 1:2;
2
1
3
W-5-W-87 5 / ″ 1:2 gypsum plaster over / ″ plaster board N/A 45 min. 43 21, 31 3 /
4 8 4
on both sides of wall.
(continued)
220 2018 INTERNATIONAL EXISTING BUILDING CODE ®
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