Eastern SPF dimension lumber for structural framing — visually graded softwood in standard CLS sizes, produced and inspected under Canadian lumber grading rules.
SPF (stamped S-P-F) is the official NLGA Spruce-Pine-Fir species group. Eastern SPF (E-SPF) is the regional commercial description for eastern Canadian supply.
2×3–2×12: #2, #3, Economy. 1×4: Economy, Utility. Lengths 8′–16′. Machine Stress-Rated grades on MSR Rated Lumber.