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The lumber change that happened quietly — and why old-school builders are still talking about it
The board you buy today is smaller than the one it replaced — by design.
This brief overview of the types of mass-timber systems from WoodWorks, While innovative systems continue to be developed within the mass timber category, common products currently include: ...
The Southern Forest Products Association (SFPA) does not test lumber or establish design values. SFPA markets lumber products and helps users understand Southern Pine grading rules and design values. ...
Modern 2x4 lumber actually measures 1.5 by 3.5 inches, a standard formalized in 1964 after post‑WWII milling changes reduced dimensions. While most buyers accept the nominal sizing, veteran builders ...
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