Maybe you've noticed that lumber sizes are often misleading. The "nominal" cross-section dimensions of a piece of lumber, such as 2 X 4 or 1 X 6, are always somewhat larger than the actual, or dressed, dimensions. The reason is that dressed lumber has been surfaced or planed smooth on four sides (called S4S). The nominal measurement is made before the lumber is surfaced.
Two-by (2X) and four-by (4X) lumber is called "dimension lumber":
Lumber is one of the essential building blocks of house construction.
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- Home Repair Tools: Whether you prefer to use the Yellow Pages for anything that needs fixing around the house or consider yourself a regular do-it-yourselfer, there are a handful of tools that everyone should have in their tool box. Learn all about them in this article.
- Materials: Just having the tools you need on hand for repairs isn't always enough to do the job. You'll often need various materials, such as lumber or drywall, to complete a task. Check out this article for tips on materials.
- Plywood: Available at home centers, hardware stores, and lumberyards, plywood is often better than lumber for some jobs. Learn about the various grades of plywood in this article.