Wood species

Spruce-Pine-Fir (S-P-F)

(Picea mariana, Picea glauca, Pinus banksiana, Abies balsamea)

Quebec wood stamped S-P-F (Spruce-Pine-Fir) is the most popular wood in Canada for construction purposes due to its great strength. Wood stamped S-P-F is used for several products: DIY markets, panelling, joinery, structural wood, flooring, framing studs, pallets, packaging, formwork, renovation and secondary constructions, etc.

Classification

Premium: DIY market, panelling, joinery, musical instruments
No. 2 & Better: Carcassing, flooring, scaffold boards, bed-frames
No. 3: pallets, packing cases, barrels, temporary work

Design values for visually grader no. 2 lumber1 in Megapascal (MPa)
Wood Species Design values for visually grader no. 2 lumber1 in Megapascal (MPa) Specific Gravity Grading Rules Agency
Bending Tension parallel to grain Shear parallel to grain Comp. perpendicular to grain Comp. parallel to grain Modulus of Elasticity
Fb Ft Fv Fc Fc E Emin G
SPF 6.0 3.1 0.9 2.9 7.9 9700 3500 0.42 NLGA
Norway Spruce- Estonai, Latia & Lithuania 5.5 2.4 1.0 3.0 6.9 9000 3200 0.42 WCLIB
Norway Spruce- Germany, France & Switzerland 5.0 2.2 1.2 2.4 6.6 8300 3000 0.42 WCLIB
Norway Spruce – Finland 4.3 1.9 0.9 1.5 6.0 8300 3000 0.42 WCLIB
Norway Spruce – Romania & Ukraine 5.0 2.2 0.7 1.9 6.6 8300 3000 0.38 WCLIB
Norway Spruce – Sweden 4.7 2.1 1.2 2.0 6.4 8300 3000 0.42 WCLIB
Norway Spruce– Austria 6.4 208 1.2 1.8 7.2 10300 3800 0.43 WCLIB
Scots Pine – Finland 6.4 2.9 1.0 1.4 7.6 9000 3200 0.48 WCLIB
Scots Pine – Sweden 4.0 1.7 0.8 2.8 5.7 8300 3000 0.47 WCLIB
Silver Fir (Abies alba) – Germany, France & Switzerland 5.0 1.5 0.9 2.8 6.6 9000 3200 0.43 WCLIB
Scots Pine – Austria, Czech Republic, Romania & Ukraine 5.3 2.4 0.9 1.9 6.9 9700 3500 0.50 WCLIB
Scots Pine – Estonia, Latvia & Lithuania 5.2 2.2 0.9 3.0 6.7 8300 3000 0.45 WCLIB
Scots Pine – Germany 4.8 2.2 1.1 2.7 6.6 7600 2800 0.53 WCLIB

1. Source : American Wood Council, National Design Specifications (NDS) for Wood Construction, 2015

Standard dimensions for structural lumber kiln dried (KD-HT) and planned (S4S)
Nominal sizes (inches) Net sizes (inches) Net sizes (mm)
1″ x 2″ 3/4″ x 1 ½” 19 mm x 38 mm
1″ x 3″ 3/4″ x 2 ½” 19 mm x 64 mm
1″ x 4″ 3/4″ x 3 ½” 19 mm x 89 mm
1″ x 6″ 3/4″ x 5 ½” 19 mm x 140 mm
1″ x 8″ 3/4″ X 7 ½” 19 mm x 184 mm
2″ x 2″ 1 ½” x 1 ½” 38 mm x 38 mm
2″ x 3″ 1 ½” x 2 ½” 38 mm x 64 mm
2″ x 4″ 1 ½” x 3 ½” 38 mm x 89 mm
2″ x 6″ 1 ½” x 5 ½” 38 mm x 140 mm
2″ x 8″ 1 ½” x 7 ¼” 38 mm x 184 mm
2″ x 10″ 1 ½” x 9 ¼” 38 mm x 235 mm
Canadian rough green sizes
Nominal sizes (inches) Net sizes (inches) Net sizes (mm)
1″ x 3″ 7/8″ x 2 ¾” 22 mm x 70 mm
1″ x 4″ 7/8″ x 3 ¾” 22 mm x 95 mm
1″ x 5″ 7/8″ x 4 ¾” 22 mm x 120 mm
2″ x 4″ 1 ¾” x 3 ¾” 44 mm x 95 mm
2″ x 6″ 1 ¾” x 5 ¾” 44 mm x 146 mm
3″ x 3″ 3″ x 3″ 75 mm x 75 mm
MSR Grades 1650Fb 1.5E / 2100Fb 1.8E / 2400Fb 2.0E / 2700Fb 2.2E
Nominal sizes (inches) Net sizes (inches) Net sizes (mm)
2″ x 3″ 1 ½” x 2 ½” 38 mm x 64 mm
2″ x 4″ 1 ½” x 3 ½” 38 mm x 89 mm
2″ x 6″ 1 ½ x 5 ½” 38 mm x 140 mm
Others MSR grades & sizes are available upon request.
Export sizes upon request
Green or heat treated or Kiln Dry
Net sizes (inches) Net sizes (mm)
7/8″ x 3″ 22 mm x 75 mm
7/8″ x 4″ 22 mm x 100 mm
7/8″ x 5″ 22 mm x 125 mm
7/8″ x 6″ 22 mm x 150 mm
1 7/8″ x 3″ 47 mm x 75 mm
1 7/8″ x 4″ 47 mm x 100 mm
1 7/8″ x 5″ 47 mm x 125 mm
1 7/8″ x 6″ 47 mm x 150 mm
1 7/8″ x 7″ 47 mm x 175 mm
1 7/8″ x 8″ 47 mm x 200 mm
1 7/8″ x 9″ 47 mm x 225 mm

 

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