2x4
2x4: the real dimensions behind the nominal name and the lengths it is sold in.
- Category
- dimension
- Actual thickness (in)
- 1.5 in
- Actual width (in)
- 3.5 in
- Actual size
- 1-1/2 x 3-1/2
- Common lengths (ft)
- 6, 8, 10, 12 (and 16 for dimension lumber)
- Notes
- A nominal 2x4 softwood board measures 1-1/2 x 3-1/2 in after drying and surfacing on four sides (S4S).
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- 2x4
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