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APA Plywood Standard: TheEngineered Wood Association(formerly the American Plywood Association) provides standard notional plywood weights for use in determining expected dead loads when performing structural engineering calculations.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'roofonline_com-banner-1','ezslot_13',894,'0','0'])};__ez_fad_position('div-gpt-ad-roofonline_com-banner-1-0'); Softwood plywood is typically used as structural plywood (roof decking, sheathing, flooring). Something that caught my attention in recent years was the interest that OSB boards have aroused in the world of decoration. PID Number. Sized for spacing (Panel width and length may vary up to 1/8" to aid with proper installation) Exposure 1 rated panel can withstand inclement weather during construction delays but it is not . Minimum Thickness. OSB-3. Source (s): Work at The Home Depot, Lets Build Something Together. But OSB is not suitable for long-term exposure to the weather. hb`````2g gah@b2~*5;413Gp/a`[q It is made from shredded strands of wood pressed together with wax and a special adhesive, then hot. (Forests around the Baltic Sea can be up to 28% birch trees.). Edges also represent the weakest point in this respect. Oriented Strand Board (OSB) is a widely used, versatile structural wood panel. Ensure shear walls provide lateral stability. Proper installation is even more important in these areas to protect against storm damage. Difficulty in getting a really smooth finish. For example, a panel measuring 250 125 centimeters and 12 mm thick will weigh approximately 22 kg. The mark signifies that panel quality is subject to verification through APA audita procedure designed to assure manufacture in conformance with APA performance standards or the standard shown in the mark. To ensure success for the complete wall system (from cladding to dry wall), please view the Building American Solution Center Guides on the following topics: Also see if local building codes have specific requirements or ask the local building department. 2023 Louisiana-Pacific Corporation. Another type of classification is conditioned by type of glue used joining wood chips. Buy 68 or more $9.45. The number of panels in a unit of OSB varies depending on the type and thickness of product. Nominal Thickness. OFFICE of Additions, alterations, renovations, or repairs shall conform to the provisions of this code, without requiring the unaltered portions of the existing building to comply with the requirements of this code, unless otherwise stated. Remember, the values for plywood weight, OSB weight, etc. It has excellent stability, just slightly below that offered by plywood. A major benefit OSB has over plywood is that it can be manufactured in much larger sheets, so fewer panels are needed to complete a wall. The first attempts to obtain such a plate were developed in the 1950s, without much success. Max-Rib is a low profile (3/4-inch) panel that is equally well suited for residential roofing and post frame applications. (See IBHSs Gable End Wall Bracing Retrofit Section.). The advantages of Structural I Rated Sheathing over standard Rated Sheathing panels of the same Performance Category are realized in certain specialized engineered applications such as engineered shear walls and engineered horizontal diaphragms. Structural wood sheathing shall be extended to lap the sill plate and nailed to the sill plate using a 4-inch on-center nail pattern along the edges. Span Rating 3/8 7/16 15/32 1/2 19/32 5/8 23/32 3/4 7/8 1 1-1/8 . The unlimited slope in the chart below only refers to the potential maximum installation slope. PID Number. For most standard floor and wall installations. These cookies do not store any personal information. plywood or OSB or equivalent). 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. The roof sheathing must be at least 3/8-in. On every Georgia-Pacific sheathing panel you should be able to find an APA grade stamp. endstream endobj 14 0 obj <>stream Overall: 0.04-0.03%. Overview of Normal Minimum Thicknesses for Different Uses: 9 + 10mm: packaging, protective panelling, furniture Text to Me. Fire resistance. Product Specifications Available Sizes: 47-7/8 x 95-7/8 panels (Longer panels and custom thicknesses are also available. The following table compares a 12 mm thick OSB in spruce and phenolic wood glued with wild pine plywood: In general, 4 categories are established depending on the requirement of their use (standard EN 300). Building Code Performance Categories, Panel Thickness 7/16 CAT 0.418" (10.61 mm) 15/32 CAT 0.451" (11.45 mm) 1/2 CAT 0.483" (12.26 mm) 19/32 CAT 0.578" (14.68 mm) 23/32 CAT 0.703" (17 . Gable end walls on rooms with vaulted or cathedral ceilings. Wall covering. Additional information may be found in specific LP product literature and in literature from the APA, whose stamp of quality appears on LP OSB products. For instance, OSB tends to be around 20% to 25% heavier than softwood plywood, OSBs main competitor in the construction industry.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'roofonline_com-leader-1','ezslot_7',137,'0','0'])};__ez_fad_position('div-gpt-ad-roofonline_com-leader-1-0'); Another factor in plywood weight isthe wood speciesused to make the panel. Start with the lightest load available. The living room side is green and the hallway side is blue. It is also called LDF (low density fiberboard). No form of intermittent bracing (e.g., metal strapping) shall be allowed on an outer wall. This waste wood can be either hardwood or softwood. 9.5 3/8 18 40 11 7/16 21 46 12 15/32 23 50 15 19/32 29 63 18 23/32 34 76 22 7/8 42 92 28.5 1-1/8 54 120 Notes: Sometimes, also species with leaves, like poplar or even eucalyptus. He also served as an infantry paratrooper in the 82nd Airborne Division and attended Cornell University. Gable end wall bracing is also a requirement for the silver designation in theFortified Home program conducted by the Insurance Institute for Business and Home Safety (IBHS) offers guidance, best practices, and voluntary construction standards and programs for building in disaster-prone areas including hurricane and high-wind zones. 361 in stock Aisle 16, Bay 16-007. CDX plywood, the most common plywood used for roof sheathing,is a grade of softwood plywood. . APA trademarks appear only on products manufactured by APA member mills. 40503 The wood strands in the outer layers are oriented one way, and the strands in the interior layers are oriented the other way, which increases panel strength. It is mandatory to procure user consent prior to running these cookies on your website. Building codes in some areas require that the best OSB for walls is 1/2 inch thick if stucco will be applied. What is not so common anymore is that all types of OSB are available from stock. Plywood is composed of approximately 92% 97% wood, with the remainder made up by primers, sealants, and adhesives such as phenol formaldehyde resin. Because of the manufacturing process, OSB is less costly and more environmentally sound than plywood. Interior carpentry and furniture shelves. Both as a suitable support for a roof and as part of sandwich panels. Video describing exterior rigid foam insulation. In the color we chose (Fresh Oak) it looks similar to a traditional Tung oil finish . 0 v 250 125 and 250 62.5 centimeters are the most common measurements. The use of MDO for sign boards is very common. Consult with the equipment manufacturer on the performance of the individual machine. Also make sure that you get your supporting timbers at the correct spacing. Connections should be made at the top and bottom of the gable end wall. However, we can also find other types of OSB boards (which will always be included in some of the previous classes) that are sold with some additional features or modifications. 3/4" plywood is usually 21/32" thick. Supports large and heavy tile for flat, even installations. The thickness of OSB that you need varies on where it is used in a building. This, of course, is due to the fact that a sheet of OSB costs about 20% less than the equivalent sheet of plywood. Due to its extremely smooth surface, it holds paint better, and looks better after being painted, than other types of engineered wood panels.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'roofonline_com-mobile-leaderboard-2','ezslot_18',884,'0','0'])};__ez_fad_position('div-gpt-ad-roofonline_com-mobile-leaderboard-2-0'); The wood plies in MDO panels are typically softwood, and a thick, smooth layer (the overlay) of a highly water-resistant resin is applied to either one or both sides of the panel. The hinge side of the door AND just the narrow/singluar strip of door frame the hinges are set in will always be painted the opposite . Save my name, email, and website in this browser for the next time I comment. The grade stamp on an OSB panel includes information on the applications for which its appropriate; its thickness; and how wide the spacing should be between supports, like studs and the strength axis. Your email address will not be published. in. 4' x 9' panels available in select colors. 5/8 inch. Marine plywood is designed to be used where the material will be subjected to higher-than-normal amounts of moisture, such as marinas and other coastal environments. OSB "Oriented Strand Board". Note that specifications for fasteners used with OSB are different in high-risk areas. OSB/plywood sheathing). Just another site osb thickness color chart Plywood, OSB, particle board, etc. This guide provides an overview of wood structural sheathing in exterior walls with a focus on applications in hurricane-prone regions or other high-wind areas. On sheathing products, the piece count is typically stenciled on the side of the unit. The U.S. Department of Energy has determined that 7/16-inch sheathing is the minimum appropriate thickness for structural wall sheathing with an exception for gable end walls, where the minimum thickness is 3/8 inch. A typical 4 x 8 sheet of 1/2-inch Baltic Birch Plywood weighsaround 55 lbs. Softwood plywood weight is further reduced by the presence of unfilled voids within the inner plies. 0.315 in. Install structural sheathing (plywood/OSB) in exterior walls to ensure the building will resist design wind pressures. For general construction. Overall, the average density was above the target density for all board types, except for the OSB 11 mm thickness. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'roofonline_com-netboard-2','ezslot_29',172,'0','0'])};__ez_fad_position('div-gpt-ad-roofonline_com-netboard-2-0');A typical 4 x 8 sheet of 1/2-inch Hardwood Plywood weighsaround 48 lbs. They are there to mark what type it is. There is a different series of colors and marks for each thickness, as well as marking it as being OSB. OfcR 0 0 Select the appropriate thickness for wood structural sheathing panels. &o_a-~K9SY osb-4005s - Pisos de tablillas de madera dura y paneles estructurales de OSB Edge y Edge Gold; osb-4006 - Ceramic Tile Floors and Edge and Edge Gold OSB Structural Panels; osb-4004 - Floor, Roof, and Wall Panel Installation; osb-4005 - Wood Flooring Installed Over Edge, Edge Gold and Diamond OSB Floor Panels Wrong The gable end wall failed because the rigid foam sheathing was not backed up by plywood or OSB. First, determine the OSB length. Densglass Technical Guide - Gypsum, Wood, Lumber, OSB Boards Latex paints are not recommended. OSB also doesnt have the soft spots that sometimes occur in plywood. What thicknesses does OSB come in? The rating stamps for plywood and oriented strand board (OSB) lumber are provided. Features. OSB, an engineered wood panel, became a popular alternative to plywood in the 1980s, according to Oklahoma State University Extension. Weight. Hardwood Plywood: At least the front and back veneers (outer plies) of hardwood plywood will be made of a hardwood species such as maple or oak. Manufacturers treat the edges of OSB boards and use water-resistant resins, but the product shouldnt be exposed to the weather. All are APA-rated and backed by a 20-year transferable limited warranty. Please call (800) 964-6310 for more info.) You may contact LP at 1-800-648-6893. Available Performance Categories: from 3/8 to 1-1/8* Longitudinal: 0.03 0.02%. If I have a living room door that leads into the hallway. The rough side provides traction for workers installing a roof and has no significance when the OSB is used as wall sheathing. wood structural panels on both wall faces. See theCompliance tabfor related codes and standards requirements, and criteria to meet national programs such as DOEsZero Energy Ready Home program,ENERGY STAR Single-Family New Homes, andIndoor airPLUS. given in our weight tables are meant to provide a general idea of typical engineered wood panel weights, and should not be used if precise values are needed for critical engineering calculations. Shear walls are walls composed of braced panels (also known as shear panels) to counter the effects of lateral load acting on a structure. When precision is necessary, always refer to the specification sheet for the actual, specific product you intend to use, or contact the technical department of the panel manufacturer. Softwood plywood comes from coniferous trees, primarily fir, pine, or spruce. Required fields are marked *. So in the above scenario, the hinge side would be blue. 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. Describes OSB composition, properties, code acceptances, and applications. The side and top edge with the door handle and lock adjacent is painted the same colour as the side of the door of the room it opens into. Guide describing details that serve as a visual reference for each of the line items in the Water Management System Builder Checklist. And then some. Rectangular wood strands blended with thermal-set, waterproof adhesives are arranged in cross-directional layers. See the discussion of gable end wall bracing in the Silver designation of the, Brace the top and bottom of the gable end so the lateral loads are transmitted into the roof and ceiling diaphragms through horizontal braces. The pressing parameters varied in some limits depending on the board thickness and type.