Softwood Structural
Utility Grade
Low-grade structural lumber for temporary and non-structural use
Standard: WWPA, SPIB, NLGARelative price: EconomyRank: 5
What this grade means
Utility grade is the lowest structural grade with reduced strength values. It is suitable for temporary structures, blocking, and applications where structural integrity is not critical. Not recommended for primary load-bearing members.
Defects allowed
Large knots, significant wane, shake, splits, and other major defects permitted
Typical uses
Temporary bracing, concrete forms, blocking, crating, pallets, non-structural framing
Grade rules vary by species, region and grading agency. For structural work, use the grade stamp and governing code or an engineer’s specification—not appearance alone.
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