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  2. Wood preservation - Wikipedia

    en.wikipedia.org/wiki/Wood_preservation

    Developed in the Philippines, this method (abbreviated HPSD) consists of a cylinder pressure cap made from a 3 mm thick mild steel plate secured with 8 sets of bolts, a 2-HP diesel engine, and a pressure regulator with 1.4–14 kg/m 2 capacity. The cap is placed over the stump of a pole, tree or bamboo and the preservative is forced into the ...

  3. Plywood - Wikipedia

    en.wikipedia.org/wiki/Plywood

    The sizes of the most commonly used plywood sheets are 4 by 8 feet (1,220 mm × 2,440 mm) [20] which was first used by the Portland Manufacturing Company, who developed modern veneer core plywood for the 1905 Portland World Fair. A common metric size for a sheet of plywood is 1200 × 2400 mm. 5 × 5 feet (1,500 × 1,500 mm) is also a common ...

  4. Weyerhaeuser - Wikipedia

    en.wikipedia.org/wiki/Weyerhaeuser

    On November 8, 2015, it was announced that Weyerhaeuser would buy Plum Creek Timber for $8.4 billion, forming the largest private owner of timberland in the United States. [18] The transaction closed on February 19, 2016. [19] At the time of the merger the combined companies own about 13,000,000 acres (20,000 sq mi; 53,000 km 2) of timberlands.

  5. Laminated veneer lumber - Wikipedia

    en.wikipedia.org/wiki/Laminated_veneer_lumber

    They are the result of new technology and economic pressure to make use of new species and smaller trees that cannot be used to make solid sawn lumber. [1] While plywood became widespread by the early 20th century, the invention of LVL was not until the 1980s after the invention of oriented strand board. [3]

  6. Alkaline copper quaternary - Wikipedia

    en.wikipedia.org/wiki/Alkaline_copper_quaternary

    The ACQ Type D formulation also contains two moldicides: 2-methyl-4- isothiazolin-3-one and 5-chloro-2-methyl-4-isothiazolin-3-one. [ 2 ] The ammonia carrier ACQ-B improves its ability to penetrate into wood that is difficult to treat, like some US Western lumber.

  7. 84 Lumber - Wikipedia

    en.wikipedia.org/wiki/84_Lumber

    84 Lumber is an operated American building materials supply company. Founded in 1956 [ 2 ] by Joseph Hardy , it derives its name from the unincorporated village of Eighty Four, Pennsylvania , a census-designated place 20 miles (32 km) south of Pittsburgh , where its headquarters are located.