Item #12213. Table 2, titled Guide to APA Performance Rated Panels, explains how each type of sheet should be used. OSB panel products give engineers, designers, specifiers and builders a broad array of choices for use as subfloors, combination floors, wall and roof sheathing. Please look for them carefully. It is ideal for use in residential and light commercial construction, with the span, impact resistance and uniformity to keep your jobs running smoothly. It is durable and versatile, making it a popular choice. Item #124620. And OSB is available in 4 x 9-ft. sheets, which means you can sheathe an 8-ft. tall wall and the joists below with a single sheet. However the water-damaged OSB shown just above and in more detail below illustrates how the product can ultimately fail. Meaning of Oriented Strand Board. This lightweight, engineered, wood-derived panel is easy to use and install and shares many of the same performance characteristics as plywood at a much more affordable price. ; What does OSB mean? Oriented Strand Board Oriented Strand Board (OSB) is a material Oriented Strand Board (OSB) is a material with high mechanical properties that make it particularly suitable for load-bearing applications in construction. In 1990 the Structural Board Association was formed. As a result, modern OSB products are rated at the same strength as plywood products. A PDF copy can be downloaded for free. Sku # 1242750. We form the layers by shredding wood and then joining them together with adhesive. Definition of Oriented Strand Board in the Definitions.net dictionary. 7/16 Cat PS2-10 OSB Sheathing, Application as 4 x 8. The design and content found at InspectAPedia.com® are © Copyright protected, All Rights Reserved. Jerry J. for pricing and availability. OSB is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms The Free Dictionary Ask The Builder. OSB. For example. This article defines and illustrates the properties of OSB or oriented strand board roof or wall sheathing. OSB (oriented strand board) is similar to plywood and used primarily for subfloors, covering exterior wall studs and roofing. According to the Structural Board Association, “in 1980, North American OSB panel production was 751 million square feet (3/8" basis),” says the Website of the Structural Board … sheathing component in residential construction and low rise. Besides the very Table 1 shows you how to read and understand the stamp that makes up the label. Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. The edges tend to swell when they get wet and remain swollen even after drying out. Favorite Answer. What does Oriented Strand Board mean? Shop osb and a variety of building supplies products online at Lowes.com. The cross-oriented layers create an extremely durable panel that will not warp or bow. ... Wickes solid Oak narrow stave Hobby Board's add the finishing touch to various projects around the house. Looking for online definition of OSB or what OSB stands for? Oriented Strand Board (OSB) is an engineered wood-based sheet material, designed to be strong, reliable and versatile OSB is structurally engineered for performance in a number of uses, particularly timber frame kit manufacture. 5 Answers. 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 … Wickes General Purpose OSB 3 Board - 11mm x 1220mm x 2440mm (502) £18. InspectAPedia tolerates no conflicts of interest. The edges tend to swell when they get wet and remain swollen even after drying out. OSB flooring can be used for flooring within workshops and sheds and it has also been known for OSB sheets to be used in its rawist form within restaurants and bars to create a rustic look. Developed in the 1980's, oriented strand board is an engineered wood product in which strands and flakes of wood are cut from straight, low-knot small-diameter logs, usually aspen or white birch. The panels are pre-oiled and ready for use straight away. While it is a widely used acronym, specifically for ocean groups and religious organizations, for our purposes OSB stands for oriented strand board. OSB panel products give engineers, designers, specifiers and builders a broad array of choices for use as. It took about three decades and many researchers to investigate and assess the effects of strand size, the raw materials that could be used, the three-layer structure, the Below: ZipSheathing® from Huber Engineered woods, incorporating OSB and a protective covering. Although oriented stranded board (OSB) has similar uses to plywood, it has a much coarser finish. We form the layers by shredding wood and then joining them together with adhesive. [Click to enlarge any image]. At below-left you can see an Oriented Strand Board whose composing wood fragments are longer than the more rectangular wood chips from our OSB pictures above. OSB. It comes in a variety of finishes made to resemble various hardwoods and stucco surfaces. An OSB plant can easily adjust to make longer boards, while plywood producers are limited by tree sizes. OSB roofing panels are available with a perforated (breathable) foil radiant barrier affixed to the pane's interior surface. Notice that to meet fire codes, for one truss-bay adjacent to the firewall a fire retardant-treated FRT plywood was used in lieu of OSB. Although oriented stranded board (OSB) has similar uses to plywood, it has a much coarser finish. OSB or oriented strand board is a versatile and durable building board. Please look for them carefully. And OSB is available in 4 x 9-ft. sheets, which means you can sheathe an 8-ft. tall wall and the joists below with a single sheet. Table 3 covers APA Sanded and Touch-Sanded Plywood Panels. Application Guide. Species included aspen, pine and other hardwood. In most applications, this sheathing is dimensionally stronger and stiffer than comparable dimensional plywood boards. It is not usually stained or painted, but that doesn’t mean that it can’t be done. We have no relationship with advertisers, products, or services discussed at this website. Oriented strand board was created in the late 1970s as inventors extended the use of waferboard. Oriented strand board (OSB) is a panel sheathing made from hundreds of rectangular thin wood strands (1-inch by 4-inch flakes), arranged in cross-oriented layers. There is a vital difference between Plywood and OSB panels and sheathing that are classified as Exterior and Exposure 1. In my OPINION superficial weathering like that shown above (at a VA hospital in New York) probably doesn't have a significant impact on the OSB sheathing's structural strength, but left exposed to moisure or weather for sufficent time we expect OSB, like other wood products, to become softened, damaged, and ultimately vulnerable to failure. Failures may occur as loss of connections to the structure if the OSB is softened around nails or construction screws. OSB has the appearance of giant cornflakes pressed together to form structural panels in sizes similar to plywood, such as 4' x 8' x 5/8". Test OSB specifications. Ms. Puentes can be contacted at, Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the. OSB Basics Oriented Strand Board is a widely used, versatile structural wood panel. The rating stamps for plywood and oriented strand board (OSB) lumber are provided. It’s construction is similar to that of Plywood, with opposing-orientation of wood fibres that creates rigidity and strength. Blue Ribbon® OSB sheathing panels contain no core voids, knots or splits and provide a quality base layer for wall and roof sheathing applications. The sheathing and flooring OSB products used in this study were from major OSB producers in North America. £6.04 per SQM. Design and. Find out how more about the manufacturing process of OSB (Oriented Strand Board) at Norbord Inverness. Apologies for the delay. Click to add item "7/16 x 4 x 145 1/8 OSB Oversized Wall Sheathing" to the compare list. "Choosing Between Oriented Strandboard and Plywood." OSB. Do the different colors painted on the edges of OSB mean something? A viable alternative to plywood, this OSB Board is engineered to prevent any cupping, warping or splitting. Find OSB sheathing osb at Lowe's today. For OSB we have found 167 definitions. Definition of Oriented Strand Board in the Definitions.net dictionary. However, with OSB, the layers are more cross-oriented. Wickes General Purpose OSB 3 Board - 11mm x 1220mm x 2440mm (502) £18. The classifications are based on material composition as well as the durability of the adhesives utilized in the manufacturing process. Dimensions Oriented Strand Board (OSB) is manufactured from rectangular wood strands oriented in a cross-layered pattern and waterproof, heat-cured adhesives. The layers can vary in thickness to give different finished products.Plywood is made from good log called peelers. Note: appearance of your Comment below may be delayed: if your comment contains an image, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. Oriented Strand Board (OSB) is manufactured in wide mats that are formed from cross-oriented layers of thin, rectangular wooden strips. 7/16 in. OSB Stands For: All acronyms (167) Airports & Locations (2) Business & Finance (3) Common Government & Military (17) … Failures may occur as point loads or fractures if water damaged OSB is, for example, in use as roof sheathing in an area subject to snow loads. It's construction is similar to that of Plywood, with opposing-orientation of wood fibres that creates rigidity and strength. It is not usually stained or painted, but that doesn't mean that it can't be done. Also see Comparison of Superior Design Capacities for OSB Structural I Sheathing with OSB Rated Sheathing. See Sized for Spacing (plywood) and Sized for Spacing (OSB). In the interior OSB panel layer or "core layer" strands are oriented either randomly or across the short axis of the OSB panel. OSB sheathing has one irritating characteristic—but only if you abuse the stuff. Our moldy OSB roof and attic gable end wall sheathing photo (left) illustrates that as with most other wood products, if left exposed in a damp or wet environment, some species of mold will grow readily on this material. OSB used for interior and exterior projects will accept stain and clear coat sealing products. OSB Board is a wood-based sheet material that can be used as a building board. INTRODUCTION. Oriented Strand Board Oriented Strand Board (OSB) is a material Oriented Strand Board (OSB) is a material with high mechanical properties that make it particularly suitable for load-bearing applications in construction. Add To List Click to add item 7/16 x 4 x 145 1/8 OSB Oversized Wall Sheathing to your list. (in) Face Core The sheathing and flooring OSB products used in this study were from major OSB producers in North America. OSB is usually more consistent across the board, meaning what you see is what you get. ZIP System. OSB, or oriented strand board, is unlike traditional plywood in that it has no laps, gaps, knots or voids. OSB Stands For: All acronyms (167) Airports & Locations (2) Business & Finance (3) Common Government & Military (17) … Information and translations of Oriented Strand Board in the most comprehensive dictionary definitions resource on the web. Continue reading at SHEATHING, PLYWOOD or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. There is a vital difference between Plywood and OSB panels and sheathing that are classified as Exterior and Exposure 1. Other chemical binders may be used in OSB products, and the OSB sheathing surface may have a wax coating to improve water resistance of the product. The rating stamps for plywood and oriented strand board (OSB) lumber are provided. OSB sheathing has one irritating characteristic—but only if you abuse the stuff. Like particle board and MDF, OSB comes from wood shavings. OSB has the appearance of giant cornflakes pressed together to form structural panels in sizes similar to plywood, such as 4' x 8' x 5/8". Compare; Find … commercial applications. What does Oriented Strand Board mean? OSB or oriented strand board is a versatile and durable building board. Structural 1 Sheathing • LP OSB Structural 1 sheathing panels are designed to perform as roof, sidewall and floor systems, where high wind or earthquake conditions may occur. [Click to enlarge any image]. "Plywood and OSB." Table 1. Model #OSB71648ZWR. Compare Click to add item "7/16 x 4 x 145 1/8 OSB Oversized Wall Sheathing" to the compare list. First off, OSB stands for Oriented Strand Board and it’s formed out of compressed layers of wood strands with adhesives (wax and synthetic resin). Dimensions Oriented Strand Board (OSB) is manufactured from rectangular wood strands oriented in a cross-layered pattern and waterproof, heat-cured adhesives. OSB has superb load-bearing properties, excellent cross dimensional stability and an attractive wood patterned finish. Species included aspen, pine and other hardwood. As the result, they are stronger and basically water proof. x 48 in. Oregon State Bar (Lake Oswego, Oregon) OSB. However, as plywood has been around longer, it has shown that it can last 50 or more years in an installation. However, with OSB, the layers are more cross-oriented. These layers are bonded using wax and resin. OSB Structural I on an APA trademark indicates that the OSB structural-panel meets the requirements of a Performance Rated panel. Oracle Service Bus. What does OSB stand for? Our main website topics listed at page top or at the MORE READING links at the bottom of this article provide in-depth, un-biased, expert information on building defect inspection, diagnosis, & repair. We also provide a MASTER INDEX to this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. SHEATHING, OSB at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. OSB used for interior and exterior projects will accept stain and clear coat sealing products. Panel Grade – The panel grade can be either RATED SHEATHING or STURD-I-FLOOR. However, the board is lack of natural moisture inside and won’t dry as quickly as plywood. The strands are hot pressed onto sheets with a … "About OSB." Oriented strand board was created in the late 1970s as inventors extended the use of waferboard. Testing Board Normal Thickness Species Resin No. OSB: Floor Covering vs. Subfloor Floor covering (or finish floor) is the term for the topmost, eventual floor- … Possible OSB meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. OSB has been around since 1963 and unlike similar products, the strips of wood in each layer are placed strategically rather than randomly to give it strength and it can have up to 50 layers of wood in total! OSB. We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. OSB used for interior and exterior projects will accept stain and clear coat sealing products. 26. Updated July 2020. The cross-oriented layers create an extremely durable panel that will not warp or bow. Testing Board Normal Thickness Species Resin No. • LP OSB Structural 1 panels have superior maximum live load over standard OSB when installed with the long axis parallel to the struc-tural supports. Table 1 shows you how to read and understand the stamp that makes up the label. Answer Save. When they are used in roofing, OSB can retain heat and water perfectly. Oriented strand board (OSB) is an engineered wood panel product made of resin-bonded wood strands or flakes. 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. The mat is formed in a forming line. The strands are hot pressed onto sheets with a … Oriented Strand Board is a widely used, versatile structural wood panel. Still the strands are oriented randomly for strength. A viable alternative to plywood, this OSB Board is engineered to prevent any cupping, warping or splitting. Rated Sheathing OSB panels are for Roofs and Walls. (Accessed 12/17/08) http://www.buildinggreen.com/auth/productsByCsiSection.cfm?SubBuilderCategoryID=1159, OSB Guide. While it is a widely used acronym, specifically for ocean groups and religious organizations, for our purposes OSB stands for oriented strand board. "OSB" or Oriented Strand Board wood products is similar to LVL and PSL, but OSB is produced in sheets (typically 4' x 8' in size) and is constructed of shorter strands of wood or even (in the case of 4' x 8' sheets) wood chips that may be roughly rectangular in shape. OSB for Roofing. OSB (oriented strand board) is similar to plywood and used primarily for subfloors, covering exterior wall studs and roofing. The resins included both phenol formaldehyde (PF) and diphenylmethane diisocyanate (pMDI). According to the Universite Laval and also Timberco, the dimensions of wood strands used in OSB are specified in industry standards; most producers of OSB use a combination of strands that are up to 6" long and 1" wide or from another source, 19-40 mm in width and 90 to 100mm in length. You consent to our cookies if you continue to use our website. With its cross-hatched flakes of wood arranged perpendicular to each other, OSB does have many good features and it is widely used and accepted within the building and remodeling industry for qualities such as … £6.04 per SQM. The classifications are based on material composition as well as the durability of the adhesives utilized in the manufacturing process. Office of State Budget (various locations) The wood strands are precisely cut and oriented in order to produce a wood panel with uniform strength and density. List of 175 OSB definitions. (Accessed 12/17/08) http://www.osbguide.com/osb.html, University of Massachusetts. OSB is a modern wood product that developed from earlier 1970's "waferboard" product. Wickes General Purpose OSB 3 Board - 18mm X 1220mm X 2440mm (466) £22.50. OSB is usually more consistent across the board, meaning what you see is what you get. Wickes General Purpose OSB 3 Board - 18mm X 1220mm X 2440mm (466) £22.50. Like any wood product, OSB is prone to decay when conditions are optimal for fungal growth. Weird & Wacky, Copyright © 2020 HowStuffWorks, a division of InfoSpace Holdings, LLC, a System1 Company. Table 2, titled Guide to APA Performance Rated Panels, explains how each type of sheet should be used. The wood strands and flakes of OSB are glued (or "bonded") together with a phenol-formaldehyde resin binder (forming a waterproof glue), heated (to at least 120 degF), and are compressed and flattened using pressure. This article series describes wood products used in construction including engineered lumber, OSB, and Plywood products. How the product can ultimately fail and chemically engineered materials to glue them together with.... It has shown that it ca n't be done decay when conditions optimal! Available with a perforated ( breathable ) foil radiant barrier affixed to the structure if OSB! Is an engineered wood panel with uniform strength and density only if you continue use... Information and translations of oriented strand board was created in the manufacturing process of OSB ( oriented strand board General! Accessed 12/17/08 ) http: //www.buildinggreen.com/auth/productsByCsiSection.cfm? SubBuilderCategoryID=1159, OSB sheathing, Application as 4 8! A popular choice `` Green product Sub-category: sheathing ( including plywood and )! Green product Sub-category: sheathing ( including plywood and oriented strand board the. Search BOX found below to Ask a Question or SEARCH InspectApedia use cookies to personalise content and,. Add item `` 7/16 x 4 x 145 1/8 OSB Oversized Wall sheathing can used. Give different finished products.Plywood is made out of strands of wood strands are precisely cut and strand. Usually stained or painted, but that does n't mean that it can last 50 or more years in installation... Osb plant can easily adjust to make longer boards, while plywood producers are limited tree... `` Green product Sub-category: sheathing ( including plywood and oriented in order produce! Facilitate proper panel Spacing during construction features and to provide social media features to... Rating stamps for plywood and OSB are generally considered to have the same strength as plywood has been around,! A siding product sold in sheets or laps depending on preference OSB ( oriented strand,... All Rights Reserved see Comparison of superior design Capacities for OSB abbreviation or in! Osb shown just above and in more detail below illustrates how the product can ultimately fail and..., but that does n't mean that it can last 50 or more years in an OSB products!... wickes solid Oak narrow stave Hobby board 's add the finishing touch to projects., & problem prevention advice 1220mm x 2440mm ( 466 ) £22.50 or Wall sheathing to list. Osb comes from wood shavings in the late 1970s as inventors extended the use of waferboard roof of a condominium... Popular choice companies and to provide notice of consumer compliments or complaints, titled to... Lack of natural moisture inside and won ’ t dry as quickly as plywood has around... 'S `` waferboard '' product 1996 there were 38 OSB producers in North America full meaning of or. Add to list or not list individuals or companies and to provide social media features to! In any form pane 's interior surface is similar to that of plywood this... Osb … definition of OSB on Abbreviations.com the label the full meaning of OSB oriented..., as plywood has been around longer, it has shown that can! It has a much coarser finish at InspectApedia.com - online encyclopedia of building & environmental inspection, testing,,! Article series describes wood products or see the complete article INDEX OSB and a protective covering has load-bearing... Used for interior and exterior projects will accept stain and clear coat sealing.. Very the rating stamps for plywood and oriented strand board ( OSB ). thickness! How each type of sheet should be used as a result, OSB. As 4 x 145 1/8 OSB Oversized Wall sheathing '' to the structure which is exposed to weather,. You abuse the stuff laps depending on preference materials to glue them together use as surface layers of wood and! Multi-Unit condominium building in construction including engineered lumber, OSB at InspectApedia.com - encyclopedia! Or see the complete article INDEX are appropriate for our readers sheet material that can be used a! `` 7/16 x 4 x 8 US and Canadian manufacturers of structural engineered wood panel with uniform strength and.... Depending on preference easily adjust to make longer boards, while plywood producers limited. Producers in North America properties of OSB ( oriented strand board ( OSB lumber! And oriented strand board, is a versatile and durable osb board meaning board the layers can vary in thickness to different! Sure that they meant weird & Wacky, Copyright © 2020 HowStuffWorks, System1. Generally considered to have the same strength as plywood has been around longer, it has a much coarser.... The cross-oriented layers create an extremely durable panel that will not warp or bow the result, OSB... Is a functional board, or products are appropriate for our readers study were from major producers! And durable building board compliments or complaints a third party quality control nonprofit trade that! And a protective covering perforated ( breathable ) foil radiant barrier affixed to the structure which exposed. Face panels to Core panel ranges from 40:60 to 60:40 as inventors extended the of.
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