What does SPF mean?

Spruce-Pine-Fir (SPF)
This group of western Canadian interior species includes Engelmann spruce, white spruce, hybrid white spruce, lodgepole pine, and subalpine fir. The colouring of this group ranges from white to pale yellow. These grades are light in weight, work easily, take paint well, hold nails well and exhibit small knots.

Douglas Fir-Larch (D Fir-L North)
This western Canadian interior species produces grades ranging from reddish brown to yellowish in colour. It exhibits a high degree of hardness and good resistance to decay.

Hem-Fir (hem-fir North)
This group of western Canadian coastal species includes western hemlock and amabilis fir. This grouping appears yellow-brown to white in colour, works easily and takes paint and nails well.

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