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'Softwood' is a generic term used in woodworking and the lumber industries for wood from conifers (needle-bearing trees from the order Pinales). Softwood-producing trees include pine, spruce, cedar, fir, larch, douglas-fir, hemlock, cypress, redwood and yew.
As the name suggests, softwoods are obviously softer than hardwoods, but there are notable exceptions; Douglas fir, a softwood, is harder and stronger than many hardwoods, while balsa, technically a hardwood, is much softer than even most softwoods.^[1]
The difference between softwood and hardwood is found in the microscopic structure of the wood. Softwood contains only two types of cells, longitudinal wood fibers (or tracheids) and transverse ray cells. Softwoods lack vessel elements for water transport that hardwoods have; these vessels manifest in hardwoods as pores. In softwood water transport within the tree is via the tracheids only. Some softwoods, such as pine, spruce, larch, and Douglas fir, have resin canals, which provide transport of resin as a defense against injury.

In general softwood is easy to work: it forms the bulk of wood used by man. Softwood has a huge range of uses: it is a prime material for structural building components, but is also found in furniture and other products such as millwork (mouldings, doors, windows). Softwood is also harvested for use in the production of paper, and for various types of board such as MDF. The finer softwoods find many specialty uses.

Contents

See also

References

External links

See also

★ Hardwood

★ List of woods

★ United States-Canada softwood lumber dispute

★ Secondary xylem

★ Engineered wood

References

1. Woodworker's Guide to Wood, , Rick, Peters, Sterling Publishing Company, 2000,

External links

★ CBC Digital Archives – At Loggerheads: The Canada-U.S. Softwood Lumber Dispute