Softwood Lumber Grades
|
Hardwood Lumber Grades |
|
Radiata Pine Grades (FPD Grades)
COL-A Pith: 0% Wane: 0% Birdseye: 0% Bluestain: 0% COL-B Pith: 25% maximum Wane: 5% maximum Birdseye: 5% maximum Bluestain: Light Industrial Pith: 50% maximum Wane: 10% maximum Birdseye: 10% maximum Bluestain: Allowed Taeda Pine Grades (FPD Grades) Premium Furniture Grade Pith: 4% maximum Wane: 5% maximum Bluestain: 0% Premium Furniture COL Pith: 15% maximum Wane: 5% maximum Bluestain: 0% Standard Furniture Grade Pith: 25% maximum Wane: 10% maximum Bluestain: Light Industrial Grade Pith: Unlimited Wane: Medium but limited to one face only Bluestain: Allowed Red Pine Grades (Nordic Softwood Grades) A Knots: 4 sound knots per side or 2 per edge Shakes: 15% maximum Wane: 30% maximum AB Mixture of Grade A and B B Knots: 5 sound knots per side or 3 per edge Shakes: 25% maximum Wane: 40% maximum |
Red Oak, White Oak, Poplar, Hard Maple, Ash, and Walnut Grades (NHLA Grades)
FAS Minimum Size Board: 15.24cm x 2.44m Minimum Size Cutting: 10.16cm x 1.53m or 7.62cm x 2.13m Basic Yield: 83.33% FAS/1F Better face to Grade FAS Poor Face to Grade 1 common 1 common Minimum Size Board: 7.62cm x 1.22m Minimum Size Cutting: 10.16cm x .61m or7.62cm x .91m Basic Yield: 66.67% 2 common Minimum Size Board: 7.62cm x 1.22m Minimum Size Cutting: 7.62cm x .61m Basic Yield: 50% 3 common Minimum Size Board: 7.62cm x 1.22m Minimum Size Cutting: 7.62cm x .61m Basic Yield: 33.33% Alder Grades (NHLA Grades) Premium Minimum Size Board: 10.16cm x 2.13m Minimum Size Cutting: 10.16cm x .61m Basic Yield: 83.33% #1 (Cabinet/Custom) Minimum Size Board: 11.43cm (up to 5% narrow) x 1.83m Minimum Size Cutting: 7.62cm x .61m Basic Yield: 66.67% Standard Frame Minimum Size Board: 10.16cm x 2.13m Minimum Size Cutting: 10.16cm x .61m Basic Yield: 66.67% |
Softwood Log Grades
|
Hardwood Log Grades |
|
Southern Yellow Pine Grade
Sawlog Small End Diameter: 20cm to 35cm Length: 11.8m Knots: SED/3 up to 150mm maximum. Excessive number of large knots not permitted. Radiata Pine Grade Sawlog Small End Diameter: 20cm to 30cm (65%) and 30cm to 60cm (35%) Length: 3.8 and 4.8m Knots: SED/3 up to 150mm maximum. Excessive number of large knots not permitted. Taeda Pine Grade Sawlog Small End Diameter: 20cm to 35cm Length: 11.8m Knots: SED/3 up to 150mm maximum. Excessive number of large knots not permitted. |
Red Oak, White Oak, Hickory, Poplar, Sycamore, Cypress, Cedar, Sweetgum Grades
3 Sides Clear (Export) Small End Diameter: 30cm to 90cm Length: 2.44m to 11.8m Defects: 3 of the 4 log faces are absent of external defects. 4 Sides Clear (Veneer) Small End Diameter: 30cm to 90cm Length: 2.44m to 11.8m Defects: All log faces are absent of external defects. |