Wood
Cordwood construction is an economical use for log ends or fallen trees in heavily timbered areas. Other common sources for wood include sawmills, split firewood, utility poles (without creosote), split rail fence posts, and logging slash. It is more sustainable and often economical to use recycled materials for cordwood walls. Regardless of the source, all wood must be debarked before construction begins. While over 30 different types of wood can be used, the most desirable rot resistant woods are Pacific yew, bald cypress (new growth), cedars, and juniper. Acceptable woods also include Douglas fir, western larch, Eastern White Pine, Spruce Pine, Poplar, Tamarack, Western red cedar and Monterey pine.
Less dense, airy woods are superior because they shrink and expand in lower proportions than dense hardwoods like elm, maple, oak, and beech. Most wood can be used in a wall if it is dried properly and stabilized to the external climate’s relative humidity. Furthermore, logs of identical species and source are preferred because they limit expansion/ contraction variables.
Read more about this topic: Cordwood Construction
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—Anne Sexton (1928–1974)
“The wood for a temple does not come from a single tree.”
—Chinese proverb.
“Instead of calling on some scholar, I paid many a visit to particular trees, of kinds which are rare in this neighborhood, standing far away in the middle of some pasture, or in the depths of a wood or swamp, or on a hilltop.... These were the shrines I visited both summer and winter.”
—Henry David Thoreau (1817–1862)