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Wood drying (also seasoning lumber or wood seasoning) reduces the moisture content of wood before its use. When the drying is done in a kiln , the product is known as kiln-dried timber or lumber , whereas air drying is the more traditional method.
The National Hardwood Lumber Association (NHLA) was founded on April 8, 1898 in Chicago, Illinois to establish uniformity of inspecting hardwood lumber.The NHLA is now a membership-based trade association that serves two main purposes: to stimulate economic activity and to provide a vehicle for the members to collectively strive for mutual benefit.
Edging will take the flitch and trim off all irregular edges leaving four-sided lumber. Trimming squares the ends at typical lumber lengths. Drying removes naturally occurring moisture from the lumber. This can be done with kilns or air-dried. Planing smooths the surface of the lumber leaving a uniform width and thickness.
Drying hops for brewing (known as a hop kiln or oast house) Drying corn (grain) before grinding or storage, sometimes called a corn kiln, corn drying kiln [8] Drying green lumber so it can be used immediately; Drying wood for use as firewood; Heating wood to the point of pyrolysis to produce charcoal; Extracting pine tar from pine tree logs or ...
A process for steam straightening and kiln drying lumber, (1972). [10] A method for producing parallel laminated pine lumber from veneer, (1975). [11] A helical flaking head with multiple cutting circle diameters for milling lumber, (1977). [12] A system for burning green bark to produce heat or power in sawmills, (1977). [13]
Creosote was the first wood preservative to gain industrial importance more than 150 years ago and it is still widely used today for protection of industrial timber components where long service life is essential. Creosote is a tar-based preservative that is commonly used for utility poles and railroad ties or sleepers.
Chuck Klein stands next to the empty wood frame that once held a mailbox on the edge of his 130-acre property in Brown County, Ohio. Klein, 82, now drives almost a mile to pick up his mail because ...
The drying process varies on the species of lumber, but can be done in as little as a week. Once the drying process is complete the planks are sent through a surfacer (or planer), which makes the face of the lumber perfectly smooth. These planks travel to a machine, which then spreads a special glue on the interior boards.