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Softwood is wood from gymnosperm trees such as conifers. The term is opposed to hardwood , which is the wood from angiosperm trees. The main differences between hardwoods and softwoods is that the softwoods completely lack vessels (pores). [ 1 ]
The Canada–U.S. softwood lumber dispute is one of the largest and most enduring trade disputes between both nations. [1] This conflict arose in 1982 and its effects are still seen today. British Columbia , the major Canadian exporter of softwood lumber to the United States , was most affected, reporting losses of 9,494 direct and indirect ...
The wood from conifers (e.g. pine) is called softwood, and the wood from dicotyledons (usually broad-leaved trees, e.g. oak) is called hardwood. These names are a bit misleading, as hardwoods are not necessarily hard, and softwoods are not necessarily soft. The well-known balsa (a hardwood) is actually softer than any commercial softwood.
Duties on lumber from Canada had already risen to 14.4% this summer after the expiration of a U.S.-Canada agreement on softwood lumber. And a review of anti-dumping could further double the duties ...
Global Wood Density Database; National Hardwood and Lumber Association; American Hardwood Information Center; American Hardwood Export Council; Australian National Association of Forest Industries
This "quarter" system is rarely used for softwood lumber; although softwood decking is sometimes sold as 5/4, even though it is actually one inch thick (from milling 1 ⁄ 8 in or 3.2 mm off each side in a motorized planing step of production). The "quarter" system of reference is a traditional North American lumber industry nomenclature used ...
In North America, virgin (non-recycled) wood fibre is primarily extracted from hardwood (deciduous) trees and softwood (coniferous) trees. The wood fibre can be extracted as a primary product, or collected during the milling of lumber. [1] Wood fibres can also be recycled from used paper materials. [2]
The team notes that softwood lumber, which is used to frame buildings, is often imported from Canada, while drywall and cement component gypsum is often imported from both Mexico and Canada.