![]() You can usually find the species of wood by looking on the tag stapled to one of the ends. Spruce-pine-fir (SPF), which can either be subalpine fir, balsam fir, black spruce, Engelmann spruce, jack pine, lodgepole pine, red spruce, or white spruce.Southern Yellow Pine (SYP), which can either be loblolly, longleaf, shortleaf, or slash pine.Hem-fir, which can either be western hemlock, California red fir, grand fir, noble fir, Pacific silver fir, or white fir.Douglas-fir-larch, which can either be Douglas-fir or western larch.for framing a wall) is usually one of the following softwoods (also called whitewoods): The most common species of dimensional building lumber (e.g. ![]() A few examples of these are shown in the picture above. Wood used for furniture and for appearance is often of a hardwood (or Pine) variety. Common Lumber Types Common wood species for furniture making. Standard treated wood has about 0.06 lbs/cubic foot chemical retention while wood treated for ground contact has about 0.15 lbs/cubic foot. Treated wood has chemicals (usually MCA or micronized copper azole) in it that will slightly increase the weight. ![]() If you chose to select lumber weight, select whether or not you have treated wood. ![]() Forest Serviceįirst, select whether you want to calculate lumber weight, volume, or both. *Most of the specific gravities used in this calculator are derived from “Wood Handbook, Wood as an Engineering Material” written by the U.S.
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