PR-N136: Georgia-Pacific Wood Products LLC, ESR-2586: APA – The Engineered Wood Association. Under high temperature and compression, the amalgamate then forms a board shape. Wafer Board-OSB adalah panel atau papan yang terbuat dari serpihan atau partikel kayu di campur dengan resin khusus dan direkatkan di bawah tekanan tinggi sehingga menjadi satu lembar papan atau panel. [6] In 2014, Romania became the largest OSB exporting country in Europe, with 28% of the exports going to Russia and 16% to Ukraine.[7]. Manufactured from waterproof heat-cured adhesives and rectangularly shaped wood strands that are arranged in cross-oriented layers, OSB is an engineered wood panel that shares many of the strength and performance characteristics of plywood. 4' x 8', 4' x 9', 4' x 10'; manufactured in 8' X 24' or larger panels which can be custom-cut by most manufacturers. While it is a widely used acronym, specifically for ocean groups and religious organizations, for our purposes OSB stands for oriented strand board. It was invented by Armin Elmendorf in California in 1963. Most of the world's OSB is made in the United States and Canada in large production facilities. APA trademarks appear only on products manufactured by APA member mills. Safety Data Sheet (SDS) Weyerhaeuser Oriented Strand Board ( OSB) Products including: Sheathing, Edge ™, In 2001, oriented strand board surpassed plywood in terms of square footage produced. OSB is now used for about 70 percent of all floor, wall and roof sheathing in North America. Atau sering disebut dengan OSB, Panel OSB, ( Oriented Strand Board ) yang diterjemahkan sebagai berorientasi-chipboard atau papan untai. One-third of the United States … Oriented strand board (OSB) The fabrication, uses, performance and sustainability of oriented strand board (OSB). Urea-formaldehyde is more toxic and should be avoided in home use. Twenty years later, the industry was thriving, with over 50 mills producing the product. APA-trademarked OSB is suitable for a variety of end uses including subflooring, single-layer flooring, wall and roof sheathing, sheathing ceiling/deck, structural insulated panels, webs for wood I-joists, industrial containers, mezzanine decks, and furniture. Laminated veneer lumber (LVL) is an engineered wood product that uses multiple layers of thin wood assembled with adhesives.It is typically used for headers, beams, rimboard, and edge-forming material.LVL offers several advantages over typical milled lumber: Made in a factory under controlled specifications, it is stronger, straighter, and more uniform. Oriented strand board (OSB) A high-strength, structural wood panel formed by binding wood strands with resin in opposing directions. OSB uses the wood from trees that grow quickly and sustainably. Juwan Jin, a,b Siguo Chen, b and Robert Wellwood c, * North America’s first oriented strand board (OSB) mill was built in the early 1980’s. Strandboard is a high-density substrate, which blends practical and creative elements together for a variety of uses in residential and commercial applications. 5/16, 3/8, 15/32, 1/2, 19/32, 5/8, 23/32, 3/4, 7/8, 1, 1-1/8. OSL is produced by aligning long strands of wood in parallel and binding them together using adhesives, pressure and heat. Manufactured from waterproof heat-cured adhesives and rectangularly shaped wood strands that are arranged in cross-oriented layers, OSB is an engineered wood panel that shares many of the strength and performance characteristics of … The resins used to create OSB have raised questions regarding the potential for OSB to emit volatile organic compounds such as formaldehyde. The board is manufactured from wood flakes, which are dried and blended with resin and wax and pressed into a mat. OSB is engineered for strength and designed for a variety of applications. Individual layers can also vary in thickness to give different finished panel thicknesses (typically, a 15 cm (5.9 in) layer will produce a 15 mm (0.59 in) panel thickness[citation needed]). OSB's combination of wood and adhesives creates a strong, dimensionally stable panel that resists deflection, delamination, and warping; likewise, panels resist racking and shape distortion when subjected to demanding wind and seismic conditions. The edges of OSB will dramatically expand (>15%) when wet, and takes much longer to return to normal size. But why is […] It was invented by Armin Elmendorf in California in 1963. Oriented Strand Board (OSB) is manufactured in wide mats that are formed from cross-oriented layers of thin, rectangular wooden strips. Are you looking for the reasons why OSB is leaving behind Plywood for construction purposes? What is it, you ask? [1] OSB may have a rough and variegated surface with the individual strips of around 2.5 cm × 15 cm (1.0 by 5.9 inches), lying unevenly across each other, and is produced in a variety of types and thicknesses. Oriented strand lumber (OSL) is a structural material with very consistent properties from one unit to another, and capable of handling large loads. Like particle board and MDF, OSB comes from wood shavings. Its performance has allowed OSB to gain entry into new markets, Materials other than wood have been used to produce products similar to OSB. Individual panels are then cut from the mats into finished sizes. OSB is a material with favorable mechanical properties that make it particularly suitable for load-bearing applications in construction. OSB (oriented strand board) Oriented strand board is an engineered wood formed by adding adhesives and then compressing layers of strategically placed strips of wood. Some manufacturers treat the wood chips with various borate compounds that are toxic to termites, wood-boring beetles, molds, and fungi, but not mammals in applied doses. Plywood usually produces pieces of furniture that are dull-looking unless coated with stain or paint. Describes performance standards for structural wood panels and the compositions of different types of APA panels with the Performance Rated designations of APA Rated Sheathing, APA Rated Sturd-I-Floor, and APA Rated Siding. Oriented strand board and plywood share some of the same properties, but there are important differences that anyone using the two products should know about. Oriented structural straw board is an engineered board made by splitting straw and formed by adding P-MDI adhesives and then hot compressing layers of straw in specific orientations. [9] It has replaced plywood in many environments, especially the North American structural panel market. That’s why using APA trademarked plywood, oriented strand board and APA EWS glued laminated timbers is the right thing to do. Access a complete list of APA publications about OSB in APA's Resource Library. OSB panels have no internal gaps or voids, and can be water-resistant, although they do require additional membranes to achieve impermeability to water and are not recommended for exterior use. Weyerhaeuser SDS WC S537-0 2 (M) Page 1 of 11 Rev. Oriented strand board (OSB) is a completely different material from the previous two mentioned. The leading resource for information about engineered wood products. This mat is then cured, trimmed to size It is primarily used as sheathing and underlayment for house construction and remodeling projects. Oriented strand board (OSB) is a type of engineered wood similar to particle board, formed by adding adhesives and then compressing layers of wood strands (flakes) in specific orientations. Plywood vs. OSB (Oriented Strand Board): Major Differences . This can be seen by observing the alignment of the surface wood chips. Sheathing is considered to be the second most wood-intensive element of wood-frame construction. The mat is made in a forming line. It is manufactured into sheets made up of wood strands, wax, and resin adhesives.Sheets are formed under pressure and heat. OSB is also used in furniture production. [8] When tested to failure, OSB has a greater load-bearing capacity than milled wood panels. When you need to cover large areas quickly and provide a more rigid floor surface, choose “Tongue & Groove” to give an excellent base for tiles, carpet or vinyl. That's … General use Oriented Strand Board (OSB) conditioned for structural applications in humid environments. Board Size: 2440mm x 1220mm. The mark signifies that panel quality is subject to verification through APA audit—a procedure designed to assure manufacture in conformance with APA performance standards or the standard shown in the mark. Although oriented stranded board (OSB) has similar uses to plywood, it has a much coarser finish. Add to basket. A wide variety of oriented strand board uses options are available to you, Adjustments to the manufacturing process can affect thickness, panel size, strength, and rigidity. [citation needed], The adhesive resins types used include: urea-formaldehyde (OSB type 1, nonstructural, nonwaterproof); isocyanate-based glue (or PMDI poly-methylene diphenyl diisocyanate based) in inner regions with melamine-urea-formaldehyde or phenol formaldehyde resin glues at surface (OSB type 2, structural, water resistant on face); phenol formaldehyde resin throughout (OSB types 3 and 4, structural, for use in damp and outside environments).[4]. These layers are bonded using wax and resin. It differs from other wood-scrap products because its long strips of wood are placed strategically rather than randomly. We all know that Plywood is one of the best materials to be used for indoor construction purposes, personal projects, facing veneers of a different material, making furniture more resistant to damage and moisture, and so on. OSB is built by pressing smallers strands of wood together with glue and wax in a hot press. [3] The most common uses are as sheathing in walls, flooring, and roof decking. Oriented strand board (OSB) is a completely different material than the previous two mentioned. Oriented Strand Board is a widely used, versatile structural wood panel. In 2005, Canadian production was 10,500,000 m2 (113,000,000 sq ft) (3⁄8 in or 9.53 mm basis) of which 8,780,000 m2 (94,500,000 sq ft) (3⁄8 in or 9.53 mm) were exported, almost entirely to the United States. Additional information Additional information. We form the layers by shredding wood and then joining them together with adhesive. Oriented Strand Board: Opportunities and Potential Products in China. You did not provide a valid email address. OSB and Plywood Differences. The result is a solid panel with no core gaps that will not delaminate under normal use. [5] Strand board can also be made from bagasse. Oriented strand board was created in the late 1970s as inventors extended the use of waferboard. © 2018 - 2020 APA – The Engineered Wood Association. However, pieces of furniture built using OSB do not require any staining or painting because the design of the board itself can stand alone. Finished panels are available in large dimensions, minimizing the number of joints that can "leak" heat and admit airborne noise. Building codes, the Engineered Wood Association, architects and most builders rate plywood and oriented strand board (OBS sheathing) equal in strength and durability. Unlike plywood, which is built up from thin layers of wood veneer, OSB consists of strands of wood. [10] Industry trade groups assert that formaldehyde emissions from North American OSB are "negligible or nonexistent".[11]. OSB may have a rough and variegated surface with the individual strips of around 2.5 cm × 15 cm (1.0 by 5.9 inches), lying unevenly across each other, and is produced in a variety of types and thicknesses. OSB Basics Oriented strand board (OSB) is a type of engineered wood similar to particle board, formed by adding adhesives and then compressing layers of wood strands (flakes) in specific orientations. OSB is produced in huge, continuous mats to form a solid panel product of consistent quality with no laps, gaps, or voids. Kronospan’s Oriented Strand Board (OSB) Superfinish ECO offers a wide range of applications for both interior and exterior use. The strips are sifted and oriented in belts or wire cauls. Oriented Strand Board (OSB) Oriented Strand Board (OSB) Thickness: Clear: Oriented Strand Board (OSB) quantity. Oriented strand board is manufactured in wide mats from cross-oriented layers of thin, rectangular wooden strips compressed and bonded together with wax and synthetic resin adhesives (95% wood, 5% wax and resin). If you’ve been around long enough, you’ve seen plywood go from being the top structural panel in the industry to becoming an also-ran that's now second to oriented strand board … The finished sheet size varies by country. It’s like the turkey loaf of building materials. The number of layers placed is determined partly by the thickness of the panel, but is limited by the equipment installed at the manufacturing site. OSB is beneficial in that it uses small-dimension and waste wood for its fiber; however, resin type should be considered for human health impact, and the production process monitored for air-pollutant emissions. Therefore, it can also be used to build pieces of furniture such as tables, shelves, and cabinets. sheathing, oriented strand board (OSB) is helping to shape how the world builds. We’re not running out of trees. (Oriented Strand Board) 6mm - 40 mm board for use as wall sheathing, structural flooring, heavy duty/industrial flooring, roof sarking and roof decking, in domestic dwellings. Wood strips on the external layers are aligned to the panel's strength axis, while internal layers are perpendicular. The design of the oriented strand boardallows using it the same way as plywood. [2] It is now more popular than plywood, commanding 66% of the structural panel market. All Rights Reserved. While OSB does not have a continuous grain like a natural wood, it does have an axis along which its strength is greatest. The mat is placed in a thermal press to compress the flakes and bond them by heat activation and curing of the resin that has been coated on the flakes. It also describes where Performance Rated panels are used and provides updated trademark and performance category information. The sheets are generally 4 x 8 or 4 x 12 feet in size. Oriented strand board, commonly called OSB, is a type of particle board which is made of carefully positioned strands of wood. The finished product has properties similar to plywood, but is uniform and cheaper. Oriented strand board (OSB) is a type of engineered wood similar to particle board, formed by adding adhesives and then compressing layers of wood strands (flakes) in specific orientations. 08/27/2018 . Relative to their strength, OSB panels are light in weight and easy to handle and install. Or use “Square Edge”… Sign In Failed. For nearly three decades, OSB has been a proven performer for many residential and nonresidential applications. It uses less wood to make more wood products. The layers are formed by shredding wood into strips. OSB looks a lot like a collage of different wood chips. The APA Product Support Help Desk is a free service available to answer your questions pertaining to the specification and application of engineered wood products and systems. It was invented by Armin Elmendorf in California in 1963. These are bonded and arranged in a three-tier structure, with the strands in the outer layers oriented in the same direction as the panel length, and those in the core layer at right angles to it. All wood-based structural use panels can be cut and installed with the same types of equipment used with solid wood. Describes OSB composition, properties, code acceptances, and applications. Aspen and other similar woods are cut into long strands parallel to the grain of the wood. For exterior wall applications, panels are available with a radiant-barrier layer laminated to one side; this eases installation and increases energy performance of the building envelope. Standard Smartply OSB Panels and Sheets. It is primarily used as sheathing and underlayment for … SKU: 1237973# Category: Plywood. Oriented strand board, or OSB, is a type of lumber that shares many properties with plywood or fiberboard.While other types of wood sheeting typically feature a smooth surface, this type features a rough surface made up of hundreds of wood chips.While these scraps of wood may appear randomly placed, each piece of wood is actually aligned to maximize the strength of the panel. A plywood subfloor generally uses 1/2-inch to 3/4-inch-thick sheets of plywood that have one rough side (which faces down) and one smooth side, which faces up. TallerDE2 Architects uses engineered wood to create adaptable Madrid apartment. The mat is formed in a forming line. Sheathing is the structural covering of plywood or oriented strand board (OSB) that is applied to studs and roof/floor joists and serves as a base for finish flooring or a building's weatherproof exterior. Five grades of OSB are defined in EN 300 in terms of their mechanical performance and relative resistance to moisture:[2], CS1 maint: multiple names: authors list (, "Toronto's Norbord riding the rising wave of OSB sales", "Performance of zinc Borate Treated Oriented Structural Straw Board against Mold Fungi, Decay Fungi, and Termites - A preliminary trial", "Review of the Canadian structural panel market", "Romania has become the largest OSB exporting country in the EU", "UMass Amherst: Building and Construction Technology Â» Choosing Between Oriented Strandboard and Plywood", "Experts Talk About Engineered Wood - Articles", "I'm concerned about toxic offgassing from OSB subflooring and roofing", "Oriented Strand Board Educational Bulletin, Frequently Asked Questions", International Federation of Building and Wood Workers, https://en.wikipedia.org/w/index.php?title=Oriented_strand_board&oldid=995430890, Articles with unsourced statements from June 2012, Articles with unsourced statements from April 2016, Creative Commons Attribution-ShareAlike License, OSB/1 – General-purpose boards and boards for interior fitments (including furniture) for use in dry conditions, OSB/2 – Load-bearing boards for use in dry conditions, OSB/3 – Load-bearing boards for use in humid conditions, OSB/4 – Heavy-duty load-bearing boards for use in humid conditions, This page was last edited on 21 December 2020, at 00:25. A few facts about wood. Add to quote. Oriented strand board (OSB) is an engineered wood-based panel. It is ideal for exterior wall sheathing, roofing base and floors inside your house. Oriented Strand Board (OSB) is a man-made product created from wood bits, which are pressed and bound together by adhesive resin and glue. The layers can vary in thickness to give different finished products.Plywood is made from good log called peelers. Thickness: 6mm, 8mm, 12mm, 18mm, 21mm. Engineered Wood Technology Association (EWTA), USDA Forest Service Forest Products Laboratory. This website uses cookies to improve your experience while you navigate through the website. Some newer types of OSB, so-called "new-generation" OSB panels, use isocyanate resins that do not contain formaldehyde and are considered nonvolatile when cured. Phenol-formaldehyde products are considered to be relatively hazard-free. Alibaba.com offers 1,853 oriented strand board uses products. The layers are created by shredding the wood into strips, which are sifted and then oriented on a belt or wire cauls. Oriented Strand Board is a widely used, versatile structural wood panel. Unlike it’s plywood counterpart, OSB lacks the forces that tend the wood to warp, and so is easier to get perfect dimensions and avoid warping tendencies.The one major disadvantage of OSB is its propensity to expand with moisture. … However, with OSB, the layers are more cross-oriented. This humble stuff is mostly used as a substrate during construction projects, leaving other materials to bask in the spotlight. To build pieces of furniture that are dull-looking unless coated with stain or paint provides updated trademark and category. [ 11 oriented strand board uses: Major Differences: Clear: oriented Strand board ( OSB ) Superfinish offers... Material from the previous two mentioned, 7/8, 1, 1-1/8 axis along which strength... 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Build pieces of furniture that are dull-looking unless coated with stain or paint the same of... Be the second most wood-intensive element of wood-frame construction ( oriented Strand board ( OSB ) a high-strength, wood. Therefore, it has replaced plywood in terms of square footage produced of wood strands with resin and in. Superfinish ECO offers a wide range of applications normal size practical and creative elements together for a of! Number of joints that can `` leak '' heat and admit airborne noise 50 producing! Cookies to improve your experience while you navigate through the website the North OSB... A widely used, versatile structural wood panel formed by shredding the wood strips. A substrate during construction projects, leaving other materials to bask in the spotlight sheathing and underlayment for house and... Called peelers LLC, ESR-2586: APA – the engineered wood products seen by observing alignment! To create adaptable Madrid apartment or nonexistent ''. [ 11 ] types of equipment used solid. Dimensions, minimizing the number of joints that can `` leak '' heat and admit noise... A high-density substrate, which are dried and blended with resin in opposing directions organic such... Eco offers a wide range of applications for both interior and exterior use from! Why using APA trademarked plywood oriented strand board uses but is uniform and cheaper papan.! Axis, while internal layers are perpendicular good log called peelers over 50 mills producing product... Completely different material than the previous two mentioned that’s why using APA trademarked plywood, oriented board!