Oriented strand board

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OSB can be easily identified by its visible wood strands.

Oriented strand board, commonly called OSB, is a type of particle board which is made of carefully positioned strands of wood. Aspen and other similar woods are cut into long strands parallel to the grain of the wood.[1] It is manufactured into sheets made up of wood strands, wax, and resin adhesives. Sheets are formed under pressure and heat.[1] The finished sheet size varies by country. OSB is very strong making it ideal for building construction.[1] Its most common uses in construction are for covering walls, floors and roofs before the finish products are applied.

  • OSB-2 is specially designed OSB for load-bearing purposes. It is for use in dry areas.[2]
  • OSB-3 is designed the same, but is for use in wet areas.[2]

OSB can also be made from trees from areas burned over by forest fires.[3]

References[change | change source]

  1. 1.0 1.1 1.2 Eric Lund; United States Department of Housing and Urban Development; et al., Alternatives to Lumber and Plywood in Home Construction (Washington, D.C.: The Dept., 1993), p. 21
  2. 2.0 2.1 Wood Production, Wood Technology, and Biotechnological Impacts, ed. Ursula Kües (Göttingen, Univ.-Verl. Göttingen, 2007), p. 316
  3. Laura Maria Moya, Using Fire-impacted Trees for Wood Composites: Characterization and Modeling, dissertation, University of Minnesota (November 2008), p. 32

Related pages[change | change source]

Other websites[change | change source]