Figure 5. Nails in lateral resistance for diagonal bracing to side walls.
Figure 6. Floor blocking.
Table 1. Standard Thicknesses for Yard Lumber
(2) Crosswise floor blocking, as shown in figure 3,
Nominal thickness
Actual thickness
should not be of less than 2-inch by 4-inch or 2-inch by 6-inch
rough lumber
SIS* or S2S*
material. It should extend the full width of the boxed or crated
(in.)
(in.)
article against which it bears.
1x4
x3
(3) Cross car bracing should be large enough to
2x4
1 x3
hold the load in position in the car properly. Crosswise
2x5
1 x4
bracing members that are not reinforced should be placed
2x6
1 x5
with the narrow face against the load to utilize the maximum
3x4
2 x3
strength of the member, as shown in figure 7.
3x6
2 x5
4x6
3 x5
*Surfaced one side or surfaced two sides
.
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