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A cord which is made from 4-foot (1.22 m) logs will not be a cord when it has been cut into 1 foot logs and then split so each piece will fit through a 3-inch (7.6 cm) circle. A full cord or bush cord has a volume of 128 cubic feet (3.6 m 3 ), including wood, bark, and air space in a neatly stacked pile. [ 27 ]
Logs for plywood construction in a plywood factory. Plywood production requires a good log, called a peeler, which is generally straighter and larger in diameter than one required for processing into dimensioned lumber by a sawmill. The log is laid horizontally and rotated about its long axis while a long blade is pressed into it, causing a ...
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 the narrow sense of the terms, wood, forest, forestry and timber/lumber industry appear to point to different sectors, in the industrialized, internationalized world, there is a tendency toward huge integrated businesses that cover the complete spectrum from silviculture and forestry in private primary or secondary forests or plantations via the logging process up to wood processing and ...
For this reason, more raw goods including logs and pulpwood chip are exported than imported in the United States, while finished goods like lumber, plywood and veneer, and panel products have higher imports than exports in the U.S. [63] Recently there has been a resurgence in logging towns in the United States.
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 ]
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Fire safety – Wood is inherently flammable which leads to the D class fire rating CLT receives. Despite this, CLT ranks highly for its ability to withstand a fire once started. It is classified as REI 90, indicating that it can retain the necessary load bearing capacity and meet integrity requirements for 90 minutes during a fire. [21]