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The SPF Group is a blend of spruce, pine, and fir, in various proportions. Québec lumber stamped S-P-F is the wood most widely used in the Canadian construction sector. Québec has built its reputation on the exceptional strength of its slow-growing wood species.
Québec lumber stamped S-P-F has a variety of usages : Home repair/do-it-yourself market, paneling, carpentry, structural lumber, flooring, structural lumber for use in framing, pallets and packaging, formwork, renovation and secondary homes, etc.
Regular members of the Québec Forest Industry Council (QFIC) are represented on the overseas by the Quebec Wood Export Bureau (Q-WEB).
Classification
Premium
#2 & Better
#3 |
Physical properties
| |
SPF Group |
European Whitewood |
European Redwood |
Southern Yellow Pine |
Douglas Fir |
Ponderosa Pine |
Aspen |
| Specific Gravity (kg/m3) |
4201 |
3403 |
4203 |
4703 |
4502 |
4382 |
3802 |
Bending Strenght
(Kiln Dry) MOR (MPa) |
782 |
673 |
843 |
903 |
882 |
732 |
682 |
Modulus of elasticity
MOE (MPa) |
10,5002 |
9,5003 |
10,5003 |
12,0003 |
13,5002 |
9,5002 |
11,2002 |
| Hardness Janks (N) |
2 4302 |
1 9103 |
2 7803 |
3 0703 |
2 9902 |
2 6402 |
2 1402 |
| Dimensional Shrinkage |
11%2 |
11%3 |
12%3 |
12%3 |
12%2 |
10,5%2 |
12%2 |
| 1 |
Association canadienne de normalisation (CSA), 086. |
| 2 |
A. P. Jessome, Résistance et propriétés connexes des bois indigènes au Canada, Forintek Canada Corp., SP 514 F, 1995. |
| 3 |
Woods of the World, Tree Talk, Inc., Burlington, VT, 1997. |
Working properties
| |
SPF Group |
European Whitewood |
European Redwood |
Southern Yellow Pine |
Douglas Fir |
Ponderosa Pine |
Aspen |
| Planning3 |
EXCELLENT |
EXCELLENT |
VERY
GOOD |
VERY
GOOD |
VERY GOOD |
VERY
GOOD |
GOOD |
| Stability3 |
VERY GOOD |
VERY
GOOD |
VERY
GOOD |
GOOD |
VERY GOOD |
VERY
GOOD |
VERY
GOOD |
| Gluing3 |
VERY GOOD |
VERY
GOOD |
VERY
GOOD |
VERY
GOOD |
VERY GOOD |
VERY
GOOD |
VERY
GOOD |
| Mortising3 |
VERY GOOD |
VERY
GOOD |
VERY
GOOD |
VERY
GOOD |
GOOD |
EXCELLENT |
GOOD |
| Turning3 |
VERY GOOD |
VERY
GOOD |
VERY
GOOD |
VERY
GOOD |
VERY GOOD |
VERY
GOOD |
VERY
GOOD |
| Nailability3 |
EXCELLENT |
VERY
GOOD |
VERY
GOOD |
VERY
GOOD |
VERY GOOD |
VERY
GOOD |
VERY
GOOD |
| 1 |
Association canadienne de normalisation (CSA), 086. |
| 2 |
A. P. Jessome, Résistance et propriétés connexes des bois indigènes au Canada, Forintek Canada Corp., SP 514 F, 1995. |
| 3 |
Woods of the World, Tree Talk, Inc., Burlington, VT, 1997. |
Structural dimensions for KL Lumber - CLS
| Nominal sizes
(inches) |
Net sizes
(inches) |
Net sizes
(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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