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. The edges tend to swell when they get wet and remain swollen even after drying out. However, with OSB, the layers are more cross-oriented. 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. 7/16 Cat PS2-10 OSB Sheathing, Application as 4 x 8. OSB is made out of strands of wood chips and chemically engineered materials to glue them together. A PDF copy can be downloaded for free. In most applications, this sheathing is dimensionally stronger and stiffer than comparable dimensional plywood boards. 26. Shop osb and a variety of building supplies products online at Lowes.com. OSB used for interior and exterior projects will accept stain and clear coat sealing products. Although oriented stranded board (OSB) has similar uses to plywood, it has a much coarser finish. It comes in a variety of finishes made to resemble various hardwoods and stucco surfaces. 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. Contents of this website may not be copied in any form. Just above our photograph shows OSB subflooring. However, the board is lack of natural moisture inside and won’t dry as quickly as plywood. An OSB plant can easily adjust to make longer boards, while plywood producers are limited by tree sizes. Like any wood product, OSB is prone to decay when conditions are optimal for fungal growth. OSB or oriented strand board is a versatile and durable building board. The panels are pre-oiled and ready for use straight away. Application Guide. Find out how more about the manufacturing process of OSB (Oriented Strand Board) at Norbord Inverness. OSB roofing panels are available with a perforated (breathable) foil radiant barrier affixed to the pane's interior surface. We form the layers by shredding wood and then joining them together with adhesive. However, with OSB, the layers are more cross-oriented. (in) Face Core Oriented strand board was created in the late 1970s as inventors extended the use of waferboard. Below: ZipSheathing® from Huber Engineered woods, incorporating OSB and a protective covering. 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. OSB (oriented strand board) is similar to plywood and used primarily for subfloors, covering exterior wall studs and roofing. Information and translations of Oriented Strand Board in the most comprehensive dictionary definitions resource on the web. Like particle board and MDF, OSB comes from wood shavings. However, as plywood has been around longer, it has shown that it can last 50 or more years in an installation. Oregon State Bar (Lake Oswego, Oregon) OSB. Updated July 2020. Just above our photograph shows OSB subflooring. 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 … 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". InspectAPedia tolerates no conflicts of interest. ; What does OSB mean? "About OSB." Also see Comparison of Superior Design Capacities for OSB Structural I Sheathing with OSB Rated Sheathing. Item #124620. OSB is usually more consistent across the board, meaning what you see is what you get. See Sized for Spacing (plywood) and Sized for Spacing (OSB). Although oriented stranded board (OSB) has similar uses to plywood, it has a much coarser finish. Wickes General Purpose OSB 3 Board - 11mm x 1220mm x 2440mm (502) £18. Oriented strand board (OSB) is commonly used as the primary structural sheathing component in residential construction and low rise commercial applications. These layers are bonded using wax and resin. This article defines and illustrates the properties of OSB or oriented strand board roof or wall sheathing. 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 … The strips are sifted and oriented in belts or wire cauls. Oriented strand board (OSB) is commonly used as the primary structural. Ask The Builder. Sturd-I-Floor indicates a sub-floor end use. 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. List of 175 OSB definitions. Meaning of Oriented Strand Board. Find out how more about the manufacturing process of OSB (Oriented Strand Board) at Norbord Inverness. Find OSB sheathing osb at Lowe's today. However the water-damaged OSB shown just above and in more detail below illustrates how the product can ultimately fail. Office of State Budget (various locations) "Choosing Between Oriented Strandboard and Plywood." [Click to enlarge any image]. 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. Viable alternative to plywood, it has shown that it has a much coarser finish OSB... Is similar to plywood, with OSB, is a siding product sold in sheets or laps on. Strips are sifted and oriented in order to produce a wood panel the BOX... In order to produce a wood panel with uniform strength and density heat and water perfectly how! And strength you see is what you get board roof or Wall sheathing to your.... In ) Face Core OSB or what OSB stands for designers, specifiers and builders a broad array of for... Last 50 or more years in an installation 38 OSB producers in North America are limited by tree sizes trade. Search BOX found below to Ask a Question or SEARCH InspectApedia find out what is the full meaning of mean. 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