Ordering custom lengths is usually possible at sawmills or specialized lumber suppliers, though this may come at a premium price and longer lead time. For residential framing, the 8-foot length is the undisputed standard, as it fits neatly into the typical eight-foot ceiling height minus the plate thickness.
Metric Lumber Sizes in Millimeters Explained
S4S lumber has been planed smooth on all four edges and faces, meaning the dimensions are precise and ready to use immediately. International and Specialty Sizes.
If you are building a deck that requires longer spans or longer walls, 16-foot boards are a common commercial option. The Difference Between Nominal and Actual Dimensions When you walk into a lumberyard and ask for a 2x4, you are using the nominal size.
Metric Lumber Sizes in Millimeters Explained
These are primarily used for framing walls, floors, and roofs. S3S lumber is typically rough-sawn on one face but surfaced on the other three edges; this option is often more budget-friendly but requires additional milling on-site to achieve final dimensions.
More About What sizes does lumber come in
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