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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.
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 ...
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. ...
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