Dimensional Lumber

Dimensional lumber is the go-to building supply for framing, decking, and everyday carpentry, offered in standardized sizes like 2x4, 2x6, 2x8, 2x10, 2x12, and 4x4 posts. Its consistent profiles make layouts faster and connections reliable, whether you’re standing studs, hanging joists, or building a sturdy workbench. Know the difference between nominal and actual sizes (a 2x4 typically measures 1-1/2 in. x 3-1/2 in.) so your measurements, fasteners, and hardware fit precisely.

Choose species and grades to match the job: SPF for general framing, Douglas Fir-Larch for high strength, and Southern Yellow Pine for stiffness and treated exterior projects. Look for No. 2 and better for structural runs, or appearance grades for visible applications. Kiln-dried (KD or KD-HT) lumber limits movement and helps paint and finishes adhere; green (S-GRN) can be cost-effective but needs extra drying time. For outdoor builds, pressure-treated lumber resists rot and insects—use hot-dip galvanized or stainless steel fasteners and treat end cuts.

Working with dimensional lumber is straightforward with common tools: circular and miter saws for clean cuts, framing nailers or screws for fast assembly, and squares, levels, and chalk lines for accurate layout. Pair with joist hangers, anchors, and structural connectors to meet code and span requirements.

Smart buying and handling reduce waste and callbacks. Sight down boards for straightness, avoid excessive wane, and pick tight, small knots. Store flat with spacers for airflow, crown pieces and mark them, and predrill near ends to prevent splits. Order lengths that minimize offcuts, and consider cut-to-size and delivery services for larger projects.

Sustainable options include FSC or PEFC certified stock and locally sourced species. Finish with sanding, primer, paint, or stain to protect surfaces and match your design. Dimensional lumber offers strength, predictability, and availability for projects from studs and headers to decks, fences, shelves, and benches today.