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Black spruce stand at Arctic Chalet, Inuvik, NT Spruce-pine-fir (SPF) is a classification of lumber that can be traded on commodities exchanges.. In Canada, and parts of the United States, most of the spruce tree species, pine tree species, and fir tree species share similar physical and mechanical characteristics, to the point where lumber derived from any of these species are interchangeable ...
Local market conditions will determine the particular length of cut. It is common for log buyers to issue purchase orders for the length, diameter, grade, and species that they will accept. On the West Coast common cuts on a large Pine or Fir tree are three 32's and a 10. There are often different prices for different items.
The Alberta Forest Products Association, or AFPA, is a non-profit industry association operating out of Edmonton, Alberta, Canada.The AFPA represents a majority of forest products companies operating in the province of Alberta that manufacture dimensional lumber, plywood, oriented strand board, pulp and newsprint, and other secondary, value-added products.
A managed forest on San Juan Island in Washington.. Certified wood and paper products come from responsibly managed forests – as defined by a particular standard. With third-party forest certification, an independent standards setting organization (SSO) develops standards for good forest management, and independent auditing companies issue certificates to forest operations that comply with ...
Softwood plywood is usually made either of cedar, Douglas fir or spruce, pine, and fir (collectively known as spruce-pine-fir or SPF) or redwood and is typically used for construction and industrial purposes. [12] The most common dimension is 1.2 by 2.4 metres (3 ft 11 in × 7 ft 10 in) or the slightly larger imperial dimension of 4 feet × 8 feet.
US Forest Products Laboratory, "Characteristics and Availability of Commercially Important Wood" from the Wood Handbook Archived 2021-01-18 at the Wayback Machine PDF 916K; International Wood Collectors Society; Xiloteca Manuel Soler (One of the largest private collection of wood samples) African Timber Export Statistics
Finished lumber is supplied in standard sizes, mostly for the construction industry – primarily softwood, from coniferous species, including pine, fir and spruce (collectively spruce-pine-fir), cedar, and hemlock, but also some hardwood, for high-grade flooring. It is more commonly made from softwood than hardwoods, and 80% of lumber comes ...
Surveying and taking inventory of trees originated in Europe in the late 18th century out of a fear that wood (the main source of fuel) would run out. The first information was organized into maps used to plan out usage. In the early 19th century forest harvesters estimated the volume and dispersal of trees within smaller forests with their eyes.