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Kauri is a superb timber for building the hulls and decks of boats. It too is now a specialty timber and ancient logs (in excess of 3 000 years) that have been mined from swamps are used by wood turners and furniture makers. The natural durability or rot and insect resistance of wood species is always based on the heartwood (or "truewood").
Chromated copper arsenate (CCA) is a wood preservative containing compounds of chromium, copper, and arsenic, in various proportions.It is used to impregnate timber and other wood products, especially those intended for outdoor use, in order to protect them from attack by microbes and insects.
However, timber was excluded from the Navigation Acts allowing the colonies to export vast quantities of wood commodities to nations otherwise beholden to British duties. Oak staves for wine barrels, along with building timber, white pine boards, and cedars shingles were traded to Spain, Portugal, the Canary Islands, the Azores, and Madeira. In ...
Plum Creek Timber Company, Inc. was a timberland owner and manager, as well as a forest products, mineral extraction, and property development company, until it merged with Weyerhaeuser Company. It was headquartered in Suite 3100 at 601 Union Street in Seattle .
Softwood is the source of about 80% of the world's production of timber, [10] with traditional centres of production being the Baltic region (including Scandinavia and Russia), North America and China. Softwood is typically used in construction as structural carcassing timber, as well as finishing timber.
Timber-pile bridge with steel stringers, New Jersey. Timber pilings serve as the foundations of many historic structures such as canneries, wharves, and shore buildings. The old pilings present challenging problems during restoration as they age and are destroyed by organisms and decay. Replacing the foundation entirely is possible but expensive.
LVL is a type of structural composite lumber, comparable to glued laminated timber (glulam) but with a higher allowable stress. [1] A high performance more sustainable alternative to lumber, Laminated Veneer Lumber (LVL) beams, headers and columns are used in structural applications to carry heavy loads with minimum weight.
West Fraser Timber was founded in 1955 by three brothers from Seattle: Samuel Kendall Ketcham, Henry Holman ("Pete") Ketcham Jr., and William Peters Ketcham. [5] Their father was Hank Ketcham, who played college football for the Yale Bulldogs and was inducted to the College Football Hall of Fame.