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	Oriented strand board - Wikipedia, the free encyclopedia
		Oriented strand board, or OSB, is an engineered wood product formed by layering strands (flakes) of wood in specific orientations.
		OSB, while lighter and easier to cut than the natural equivalent, leaves a gummy residue on saw blades from the waxes and adhesives used during manufacturing.
		OSB is commonly known as Sterling board in the United Kingdom.
	en.wikipedia.org /wiki/Oriented_strand_board (501 words)

	OSB Introduction (Site not responding. Last check: 2007-11-03)
		OSB and waferboard are panel products made of aspen or poplar (as well as southern yellow pine in the US) strands or wafers bonded together under heat and pressure using a waterproof phenolic resin adhesive or equivalent waterproof binder.
		However, the strands in the outer faces of OSB are normally oriented along the long axis of the panel thereby, like plywood, making it stronger along the long axis as compared to the narrow axis.
		The strands used in the manufacture of OSB are from 80 to 150 mm (3-1/8" to 6”) long in the grain direction and less than 1 mm (1/32") in thickness.
	www.cwc.ca /products/osb/introduction.php (368 words)

	Oriented Strand Board (Glenn Bailey)
		OSB consists of long wafers that have been oriented either by an electrical field or, more commonly, are mechanically aligned by vibrating the particles through fins.
		Norbord Ltd OSB is formed in three layers, the top and bottom layers have their strands oriented toward the length of the panel to optimise strength, stiffness and spanning ability.
		Consequently the boards are particularly weak in tension perpendicular to the flat surface of the particles.
	sres.anu.edu.au /associated/fpt/osb/Product.html (1312 words)

	Cox Lumber - About Oriented Strand Board (Site not responding. Last check: 2007-11-03)
		Strand dimensions are predetermined and have a uniform thickness.
		OSB's strength comes mainly from the uninterrupted wood fiber, interweaving of the long strands or wafers, and degree of orientation of strands in the surface layers.
		OSB, as a performance-based structural use panel, is recognized by all the major U.S. model code agencies through the adoption of DOC PS2-92 Wood-Based Structural Use Panels.
	www.coxlumber.com /abt_osb.html (322 words)

	Northwest Forest Industry - Panel Manufacturing
		Oriented Strand Board is a construction panel made with layers of precision-manufactured wood "strands" that are aligned, formed into panels and pressed with an exterior grade adhesive resin.
		OSB was developed from waferboard in the late 1970s but differs from waferboard in that long OSB wood strands are oriented, not randomly placed.
		OSB derives its strength from the uninterrupted wood fiber, interwoven long strands or wafers, and the degree of orientation of surface layers strands.
	www.borealforest.org /panel (571 words)

	APA - Oriented Strand Board (OSB)
		OSB is manufactured from waterproof heat-cured adhesives and rectangularly shaped wood strands that are arranged in cross-oriented layers, similar to plywood.
		OSB is widely used in residential and commercial construction, and is gaining popularity in markets such as materials handling and the manufacturing of upholstered furniture.
		OSB panels can be manufactured from a wide range of fast-growing species and from relatively small trees.
	www.apawood.org /level_b.cfm?content=prd_osb_main (269 words)

	Cox Lumber - Oriented Strand Board (Site not responding. Last check: 2007-11-03)
		OSB is manufactured in a cross-oriented pattern similar to plywood to create a strong, stiff structural panel.
		OSB is manufactured from waterproof heat-cured adhesives and rectangularity shaped wood strands that are arranged in cross-oriented layers, similar to plywood.
		OSB uses the wood resource very efficiently, in part because sheathing panels can be made using smaller, younger fast growing tree species such as aspen and southern yellow pine.
	www.coxlumber.com /osboard.html (357 words)

	The NEW Plywood - Oriented Strand Board
		OSB and similar new wood products were developed in response to changing resource availabilities and the desire by manufacturers to improve the efficiency of their operations.
		These flakes are sifted to eliminate the very tiny particles, mixed thoroughly with a dust of waxes and heat-triggered resin glues, oriented with their long direction (the grain direction) parallel with a moving belt then sprinkled on a large (8'-0" x 24'-0") forming bed.
		Following the pressing, the beds move one after the next to the final cutting area where the new OSB panels are dumped off and saws trim the larger panels down to size.
	www.mcvicker.com /offtech/smpanl.htm (862 words)

	[No title] (Site not responding. Last check: 2007-11-03)
		In one common fabrication of oriented strand board, the flakes generally are first dried to remove water, and are then coated in a blender with a thin layer of binder and sizing agent.
		The OSB 10 is comprised of multiple layers or plies 12, 13, and 14, each formed of a composite of wood flakes ("strands") bound together by resin 11.
		A lignocellulosic composite board material comprising in admixture, a cured polymeric binder; hollow microspheres contacted at surfaces thereof by the resin; and predominantly lignocellulosic wood pieces, wherein the wood pieces are discontinuously bonded together by the binder.
	www.wipo.int /cgi-pct/guest/getbykey5?KEY=05/16608.050224&ELEMENT_SET=DECL (9858 words)

	Oriented Strand Board Manufacturing Process
		Oriented Strand Board (OSB) is an engineered, mat-formed panel product made of strands, flakes or wafers sliced from small diameter, round wood logs and bonded with an exterior-type binder under heat and pressure.
		OSB, as a performance-based structural use panel, is recognized by all major U.S. model code agencies through the adoption of DOC PS 2, Performance Standard for Wood-Based Structural-Use Panels.
		Certified to CSA 0325, Construction Sheathing, or CSA 0437, OSB and Waferboard, OSB is accepted in the National Building Code of Canada, certified to EN 300, Oriented Strand Boards and recognized for structural use in Europe and certified to meet the JAS standard for structural panels in Japan.
	www.osbguide.com /manufacturing.html (277 words)

	[No title] (Site not responding. Last check: 2007-11-03)
		OSB is an engineered structural wood panel used in flooring applications and for sheathing, subflooring, webstock for I-beam floor joists, and other building components.
		OSB’s strength originates from the uninterrupted wood fiber, interweaving of the long strands or wafers, and degree of orientation of stands in the surfaces layers.
		Oriented strand board uses much less-expensive chips of wood instead of a continuous veneer found in plywood.
	students.washington.edu /freemr/MSE170/osb.html (716 words)

	Wood-based panels: oriented strand board ( OSB )
		Oriented strand board (OSB) consists of strands of wood with widths typically half their length bonded using phenol-formaldehyde resin to create board thicknesses in the range 6-38 mm.
		About 90% of OSB is used in construction, mostly in load bearing situations.
		It is used as sheathing in timber frame housing and as roof decking material, and to a lesser degree as flooring.
	www.azobuild.com /details.asp?ArticleID=7812 (168 words)

	OSB - Oriented Strand Board from Woodside Story
		Oriented Strand Board (OSB) is an engineered wood panel product where the strands - or wood chips - are oriented, not randomly placed, and then bonded under heat and pressure.
		OSB is less taxing on the environment, because it makes more effective use of wood and the raw material can be sourced from a wide variety of quick-growing trees.
		The OSB Guide has a special resources section for architects and designers with a huge amount of useful information on the product.
	www.woodsidestory.com /products/osb (227 words)

	Oriented Strand Board (O.S.B.) (Site not responding. Last check: 2007-11-03)
		Ainsworth OSB also is Exposure 1 rated, which means that it is designed to perform in applications where construction delays may be encountered.
		AINSWORTH OSB is quickly becoming recognised as the premier Oriented Strand Board in markets around the world by setting new standards in quality, performance and packaging.
		Strands in the outer "face" layer are oriented parallel to the panel length, while core layers fall at right angles to the face.
	ourworld.compuserve.com /homepages/wood_international_agency/oriented.htm (1207 words)

	Norbord - Oriented Strand Board (Site not responding. Last check: 2007-11-03)
		Norbord OSB is one of North Americaâs best-known structural wood panels.
		Oriented Strand Board is often an ideal plywood replacement.
		Oriented Strand Board (OSB) is the fastest growing building material in North America.
	www.norbord.com /norbordosb.htm (395 words)

	Construction of Oriented Strand Board Panel (Site not responding. Last check: 2007-11-03)
		Oriented Strand Board (OSB) is made of strands bonded with resins under heat and pressure.
		OSB panels consist of four or five layered mats.
		OSB's strength comes mainly from the uninterrupted wood fiber, interleaving of the long strands or wafers and degree of orientation of wafers or strands in the surface layers.
	www.abag.ca.gov /bayarea/eqmaps/fixit/ch3/sld049.htm (219 words)

	Ainsworth Lumber - Oriented Strand Board (OSB) (Site not responding. Last check: 2007-11-03)
		oriented strand board is selected by contractors and builders as the premier choice throughout the markets we serve.
		We manufacture OSB products with the same high standards that built our reputation as a reliable supplier of top-quality lumber and specialty plywood.
		In our state-of-the-art OSB facilities, product ingredients–such as fiber and adhesives–are carefully selected and calibrated to provide properties that meet precise specifications.
	www.ainsworth.ca /html/prod_osb.html (192 words)

	OSB Oriented Strand Board - Manufacturers Kronoply
		The Krono Group is one of the largest producers of Oriented Strand Board (OSB) in the world.
		Kronoply OSB is made from strips of pine veneer strands laid in three layers crosswise and pressed into panels using high temperature and high pressure from a continuous press process.
		Kronoply OSB is ideal for wall sheathing and floor underlayment in house construction, as well a variety of industrial applications such as the packaging, shelving, and furniture and store fixture manufacturing.
	www.kronotexusa.com /osb.asp (254 words)

	Technical Source Guide #30 (Site not responding. Last check: 2007-11-03)
		Oriented Strand Board or OSB is an often overlooked building product that is suitable for adoption in the theatre.
		The manufacturers of OSB, as represented by the Structural Board Association, note that OSB is a structural panel composed of strands cut from aspen, poplar, or southern yellow pine.
		The strands are dried, blended with wax and waterproof exterior type binders (generally phenolic resin), then formed into a loose mat or pad usually containing four or five layers.
	info1.nwmissouri.edu /~pimmel/usitt/source_guide/issue30.htm (941 words)

	Martco OSB - manufacturer of oriented strand board (waferboard) located in Louisiana
		Tuff Strand® is an oriented strand board (OSB) structural panel made of hardwood strands and wafers aligned in four layers.
		The orientation of strands and wafers creates a stable panel with greater strength in the long (8 foot) panel dimension rather than across the width (4 foot).
		The wafers are then directionally oriented into four alternating layers on 8' x 16' mats, which are then compressed at 16 million pounds of force at a temperature of 385 F. The result is an amazingly strong and durable building product of consistent thickness.
	www.martco.com /osb.asp (488 words)

	Howstuffworks "What is plywood? Why do people use it so much? What about oriented strand board (OSB)?"
		In oriented strand board, much less-expensive chips of wood are used instead of a continuous veneer.
		These chips are thin and fairly large, and during manufacture they are lined up in the different layers (oriented) so that the panel is strong in all directions.
		OSB is about half the cost of plywood, but less attractive.
	home.howstuffworks.com /question154.htm (251 words)

	Shipping with Oriented Strand Board (OSB) Cases
		OSB is an environmentally friendly material being a by-product of the plywood and softwood manufacturing processes.
		OSB is available in both 18mm and 11mm thickness and can be cut and machined in the same way as plywood.
		11mm OSB boxes are suitable where the box is of a medium to small size and where there is likely to be relatively low levels of rough handling.
	www.croc.uk.com /packaging_products/Oriented_Strand_Board_osb_cases.htm (231 words)

	Oriented Strand Board — Structural Insulated Panels from BPAC
		Oriented Strand Board is a homogenous wood based panel manufactured from softwood strands compressed and bonded together with exterior grade water resistant resins.
		This board is supplied to BPAC pre-cut so as to eliminate waste.
		BPAC source OSB from suppliers who are members of the Woodmark chain of custody standard which is based at the soil association in
	www.azobuild.com /details.asp?ArticleID=3519 (174 words)

	Analysts downgrade OSB price outlook - 4/18/2005 - Purchasing - CA525653 (Site not responding. Last check: 2007-11-03)
		Suppliers have been struggling to keep prices strong for oriented strand board (OSB), but mavens now are forecasting softness due to slowing demand and the opening of 500 million square feet of new production capacity.
		Oriented strand board, which is made from chips of aspen trees that are pressed and bonded with phenol formaldehyde resins and can be used as a substitute for plywood.
		While Louisiana-Pacific is closing two OSB mills because of lower profitability, there still are a dozen in operation and a new one, the largest OSB mill in North America, and possibly in the world, is on track to produce its first board in September 2005.
	www.purchasing.com /article/CA525653.html?industryid=21950 (290 words)

	Bloomberg.com: Canada (Site not responding. Last check: 2007-11-03)
		Prices on average for the board, made by gluing wood chips together, will be $320 per thousand square feet in 2005, up 16 percent from an earlier forecast of $277, Tumazos said in a Sept. 16 report to clients.
		Oriented strand board prices have risen 52 percent since before the storm to $396.50 per thousand square feet on Sept. 19, compared with $260.50 on Aug. 26, according to data compiled by Bloomberg.
		Citigroup analyst Chip Dillon increased his 2005 estimate for oriented strand board to $315 per thousand square feet on average from $310 and to $285 from $280 for 2006, according to his Sept. 15 report.
	www.bloomberg.com /apps/news?pid=10000082&sid=alCxsJ8BUsPQ&refer=canada (766 words)

	Oriented Strand Board (Glenn Bailey)
		The OSB industry evolved from the waferboard industry in the late 1970's as technology and investors caught up with the concept of it.
		OSB is three times as strong as particle boards of the same density and resin content.
		In other words OSB was introduced as an attempt to compete with plywood as a structural material while using a low quality resource (Illston 1994).
	sres.anu.edu.au /associated/fpt/osb/2.html (343 words)

	FAQ: Oriented Strand Board - Search - BM&WT - UMass Amherst
		Neither OSB or Plywood in designed to be left exposed to wet conditions.
		Osb takes on moisture more slowly than plywood, but it also takes longer for it to give it up.
		Osb is prone to thickness swell around its edges, because it absorbs moisture around its edges faster than it does in the middle of the panel.
	www.umass.edu /bmatwt/search/faq_articles/faq_osb.html (262 words)

	TCNA - Technical Services: FAQ
		Is Oriented Strand Board acceptable as a part of a tile system?
		OSB is a sheathing product manufactured from wood strands glued together with waterproof, heat-cured adhesives.
		This is not to say that tile cannot be installed reliably over an OSB subfloor - however, there is significant debate in the tile industry regarding the conditions necessary for a long-lasting successful installation.
	www.tileusa.com /OSB_faq.htm (260 words)

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