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| Compare Wood Decking by Species |
| Characteristic |
Treated
Southern Pine |
Western
Red Cedar |
California
Redwood |
| Durability, above ground |
Excellent |
Good |
Excellent |
| Durability, ground contact |
Excellent |
Fair |
Good |
| Bending strength |
High |
Low |
Intermediate |
| Stiffness |
High |
Low |
Intermediate |
| Hardness |
High |
Low |
Intermediate |
| Nailholding capacity |
High |
Low |
Intermediate |
| Dry weight |
High |
Low |
Low |
| Workability |
Intermediate |
High |
High |
| Paint holding |
Low |
High |
High |
| Freedom from shrinking |
Intermediate |
High |
High |
| Freedom from warping |
Intermediate |
High |
High |
| Freedom from pitch (resin) |
Low |
High |
High |
| Impact resistance (inches) |
30 |
17 |
15 |
| Density (pcf) |
35.6 |
22.4 |
24.5 |
| Modulus of elasticity (x106 psi) |
1.79 |
1.11 |
1.10 |
| Specific gravity |
0.51 |
0.32 |
0.35 |
| Modulus of rupture (psi) |
12,800 |
7,500 |
7,900 |
| Price |
Low/Moderate |
Moderate |
High |
| Availability |
Excellent |
Good |
Limited |
| Color when new |
Green/Brown |
Tan |
Brown |
| Color weathered |
Gray |
Gray |
Gray |
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