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From [Institution name]
Maximum Framing Member Spacing (mm) |
Nominal Thickness (mm) |
||||||
---|---|---|---|---|---|---|---|
6.35 | 7.9 | 9.5 | 11.1 | 12.7 | 15.9 | 19.0 | |
Applied directly to sheathing | n/a Footnote (1) | X Footnote (2) | X | X | X | X | X |
400 | n/a | n/a | X | X | X | X | X |
600 | n/a | n/a | n/a | n/a | X | X | X |
Orientation | Maximum Framing Member Spacing (mm) | Nominal Thickness (mm) |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
_ | _ | 4.0 | 4.7 | 6.0 | 7.5 | 8.0 | 9.5 | 11.0 | 12.5 | 15.5 | 18.5 |
parallel to support |
Applied directly to sheathing | n/a Footnote (1) | n/a | X Footnote (2) | X | X | X | X | X | X | X |
400 | n/a | n/a | n/a | n/a | X | X | X | X | X | X | |
600 | n/a | n/a | n/a | n/a | n/a | n/a | X | X | X | X | |
perpendicular to support |
400 | n/a | n/a | X | X | X | X | X | X | X | X |
600 | n/a | n/a | n/a | n/a | X | X | X | X | X | X |
Property | Unit | Direction Footnote (2) | Grade R-1 |
Grade O-1 |
Grade O-2 |
---|---|---|---|---|---|
Modulus of rupture |
MPa | // | ≥ 17.2 | ≥ 23.4 | ≥ 29.0 |
MPa | ┴ | ≥ 17.2 | ≥ 9.6 | ≥ 12.4 | |
Modulus of elasticity |
MPa | // | ≥ 3 100 | ≥ 4 500 | ≥ 5 500 |
MPa | ┴ | ≥ 3 100 | ≥ 1 300 | ≥ 1 500 | |
Internal bond | MPa | - | ≥ 0.345 | ≥ 0.345 | ≥ 0.345 |
Bond durability – modulus of rupture after 2 h boil |
MPa | // | ≥ 8.6 | ≥ 11.7 | ≥ 14.5 |
MPa | ┴ | ≥ 8.6 | ≥ 4.8 | ≥ 6.2 | |
Thickness swell – 24 h soak |
% | - | ≤ 15 | ≤ 15 | ≤ 15 |
% | - | ≤ 10 | ≤ 10 | ≤ 10 | |
Linear expansion — oven dry to saturated |
% | // | ≤ 0.40 | ≤ 0.35 | ≤ 0.35 |
% | ┴ | ≤ 0.40 | ≤ 0.50 | ≤ 0.50 | |
Lateral nail resistance Footnote (3) |
N | // | ≥ 70t | ≥ 70t | ≥ 70t |
N | ┴ | ≥ 70t | ≥ 70t | ≥ 70t |