Spruce

Spruce-pine-fir refers to Canadian woods of similar characteristics that have been grouped for production and marketing. Mainly used to make dimension lumber for home building and panel (such as plywood and OSB), the SPF species have moderate strength, are worked easily, take paint readily, and hold nails well. They are white to pale yellow in color.

There are two types of SPF woods:
Eastern Canada (Saskatchewan and east), comprising timber from the Red Spruce, Black Spruce, Jack Pine, and Balsam Fir species.