With integrated structural, water and air management layers, ZIP System products offer interchangeable options for optimal roof and wall performance. Contractors! Table 1 shows you how to read and understand the stamp that makes up the label. Its mostly so they can sort the different thicknesses and materials, at the warehouse and at the store. But OSB is not suitable for long-term exposure to the weather. Describes OSB composition, properties, code acceptances, and applications. 1:02 Oriented-strand board (OSB) is an engineered-wood product that is widely used as an alternative to plywood in residential construction. The cost per panel depends mostly on thickness, ranging from 1/4-inch to 23/32-inch. Select the appropriate thickness for wood structural sheathing panels. Cover the stack loosely with plastic sheets or tarps. These cookies will be stored in your browser only with your consent. What these defects produce is that at certain points the plaque is weaker. If you have questions and/or would like a reply to this feedback, please include your e-mail address in the message. For instance, while plywood is typically 90% to 95% wood, OSB might only contain 80% wood. Plain sheets OSB-3 from Ultralam have dimensions of 2500x1250, 2800x1250, 2440x1220, 2500x625. The building code has a minimum requirement for the thickness of Traditional Hard Coat stucco, it is 7/8 of an inch. (See IBHSs Gable End Wall Bracing Retrofit Section. ENERGY EFFICIENCY AND RENEWABLE ENERGY, Forrestal Building See IRC Table R602.3(3)belowfor minimum wood structural panel span length, thickness, nail size, nail spacing, nail penetration, and stud spacing for the various wind exposure categories. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. OSB is made up of various chips of wood from different species of trees in a combination that will meet the WWPA structural specs. During a hurricane, tornado, or high winds, wall systems can succumb to structural failures and water damage due to exposed sheathing, Unsealed joints or penetrations in the wall structural sheathing or storm damage can allow rainwater to enter the building, causing severe damage, including saturation of insulation and drywall, potentially leading to extensive damage to sheathing, flooring, interior finishes, and household contents. For general use and indoor applications (including furniture) used in a dry environment. According to SBC Magazine, the strength axis is the direction that is parallel to the grain and indicates which way a panel should be installed. 2018and2021 International Residential Code (IRC). Typically 3/4"(18mm) for floors and 3/8" (9mm) for walls and 1/2" (11mm) roof. Widely distributed, LP OSB products are available when you need them. Anchor the covering at the top of the stack, but keep it open and away from the sides and bottom to ensure good ventilation. This is because after it's manufactured, plywood shrinks as it dries. So, when you are buying a standard utility-grade sheet, the actual size will be as follows: 1/8 inch = 7/64 inches. See Pressure-Treated Plywood at the Home Depot.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'roofonline_com-leader-4','ezslot_16',887,'0','0'])};__ez_fad_position('div-gpt-ad-roofonline_com-leader-4-0'); Softwood Plywood: This is the type of plywood most commonly used in construction. $@%f:y_T?aW$RL[_Til @P Y\MNDr6Jib$%Rk+jj]LD7JB=F,s.;-=+y#6uK1C-hRTf%5=::MC`pzB*==nPAja/xzgz Because of the manufacturing process, OSB is. He is also the editor of the Roof Online website. 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. It also describes where Performance Rated panels are used and provides updated trademark and performance category information. Most OSB suppliers have a load/span table giving a guide to the spacing of timbers for different thicknesses. Table R602.3(3) Requirements for Wood Structural Panel Wall Sheathing Used to Resist Wind Pressures. 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: 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. Minimum Thickness. Does GP's wood come from sustainably managed forests? Among the worlds most popular OSB sheathing products, offered in a variety of panel sizes and performance categories. A typical 4 x 8 sheet of 1/2-inch Baltic Birch Plywood weighsaround 55 lbs. OSB/plywood sheathing). For the curious - 7/16" OSB has a span rating of 24/16 and with supports every 24 inches is good for a roof live load of 40 psf (pounds per square foot) with a 10 psf dead load. Oriented strand board, or OSB, is a wood structural panel that can also be used for flooring. Designed by Elegant Themes | Powered by WordPress. Learn more about how LP OSB Sheathing is made. Finally, calculate the OSB weight using the formula above: OSBW = L*W*T * D. OSBW = 30*20*.5 * .0231. High structural performance for use in a humid environment. Densglass Technical Guide - Gypsum, Wood, Lumber, OSB Boards Video describing exterior rigid foam insulation. Necessary cookies are absolutely essential for the website to function properly. This type of board surpassed the defined use during its conception and became one of the most versatile options. You may contact LP at 1-800-648-6893. R602.10.1.3 Spacing of braced wall lines. Right Coated OSB sheathing provides a continuous air and moisture barrier around the home. Wrong When insulated sheathing is installed correctly, you should not see daylight. He was awarded the Registered Roof Observer (RRO) professional credential in 2009. APA trademarks appear only on products manufactured by APA member mills. It has excellent stability, just slightly below that offered by plywood. MDO: Medium Density Overlay is a type of exterior plywood specifically designed to be painted easily. Right Structural insulated sheathing can provide racking strength (lateral load resistance), and serve as an air barrier and thermal barrier if installed according to manufacturers specifications with taped, sealed seams, Wrong - Common wall sheathing not properly fastened or sealed, Thermal Enclosure System Rater Checklist Guidebook. Guide describing the requirements by FORTIFIED Home for improving the home's resistance in severe thunderstorms, straight-line wind events, and high winds at the outer edges of tornadoes. housebuilding126 Original Author 7 years ago Thank you. Connections should be made at the top and bottom of the gable end wall. Coniferous woods are used mainly, among which are pine and spruce. OfcR 0 0 Jack Gray is a principal roof consultant and vice president at theMoriarty Corporation, an award-winning building enclosure consultant firm founded in 1967. Baltic birch plywood is used mostly for furniture-making and cabinetry. 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. Plywood weight is determined by the length, width, and thickness of the panel, as well as the wood species and the types and amounts of adhesives, primers, and sealants used to make the plywood. t = 0.594 0.625 0.719 0.750 0.875 1.000 1.125 Area (in.2/ft) A = 7.125 7.500 8.625 9.000 10.500 12.000 13.500 You are not going to get one brand that uses a high percentage of oak or maple just because it sounds more prestigious. 3) N.R. Make sure that the gable end wall sheathing is adequate (minimum requirement is for 3/8-in. What is not so common anymore is that all types of OSB are available from stock. While we continually update our database, links may have changed since posting. OSB panels are available in a variety of common thicknesses and sizes as shown in Table 1, below. Please call (800) 964-6310 for more info. 16 ft. 15.94 in. OSB is made from abundant, small diameter poplar and aspen trees to produce an economical structural panel. Both cost about the same to install, $70 an hour for a carpenter. These cookies do not store any personal information. OSBs have interesting features and advantages for various uses at really competitive prices. See Figure 1. A typical 4 x 8 sheet of 1/2-inch Marine Plywood weighsaround 51 lbs. Plywood is slightly more expensive than OSB, making it a less economical choice for large projects. But opting out of some of these cookies may have an effect on your browsing experience. Code language is excerpted and summarized below. All sizes are engineered to provide optimal roof and wall performance. They can be attacked by xylophagous fungi and also by some insects such as termites in certain particularly favorable environments. plywood or OSB or 3/4-in. Wood frame exterior walls must be fully sheathed, including areas above or below wall openings, with minimum 7/16-in. Oriented Strand Board is a widely used, versatile structural wood panel. Structural I is of no additional benefit for other traditional construction applications. Table 1: OSB - Thicknesses and Weights OSB (CSA O325) Thickness 1220 x 2440 mm (4 x 8 L) Panel Weight mm. In general terms we can find OSB plates with densities between 600 and 680 kg / m3. 2023 Georgia-Pacific Gypsum LLC and Georgia-Pacific Wood Products LLC. Phenolic adhesives offer the greatest resistance to moisture. $3.49/sq.ft. OSB used for sheathing in walls, flooring, and roof decking. Products shown . The IBHS Fortified Home standard is designed to make homes more resilient and durable; guidance is available for New Construction and Existing Homes in Hurricane zones and High-Wind zones. Appendix J regulates the repair, renovation, alteration, and reconstruction of existing buildings and is intended to encourage their continued safe use. Right Coated sheathing is taped at all seams to serve as an exterior air barrier on the walls. Color HTML / CSS Color Name Hex Code #RRGGBB Decimal Code (R,G,B) lightyellow: #FFFFE0: rgb(255,255,224) lemonchiffon: #FFFACD: rgb(255,250,205) lightgoldenrodyellow It is also called LDF (low density fiberboard). This type of plywood is made up entirely of birch wood, so unlike some other hardwood plywood, it does not use softwood for the inner plies, and the inner plies are void-free, increasing its stability. The APA Standard plywood weights are not weights for actual products and tend to be somewhat heavier than the weights of any real softwood plywood you will find.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'roofonline_com-leader-2','ezslot_14',877,'0','0'])};__ez_fad_position('div-gpt-ad-roofonline_com-leader-2-0'); A 4 x 8 sheet of 1/2-inch APA Standard Plywood wouldweigh 48 lbs. That is, store them for at least 2 days in their final location. Yes - it's made in Lac of the Woods . It has high mechanical resistance, is light and meets the NIMF-15 standard. Less environmental impact. Overall: 0.04-0.03%. Section R602.10 of the IRC provides prescriptive construction details and requirements for braced wall lines and braced wall panels for buildings exposed to different wind speeds. HdU90s\@)kWS:cM)$=>>~8Zz. Construction of stands for fairs and exhibitions. 1000 Independence Ave. SWWashington DC 20585. Video describing how to properly install continuous rigid insulation sheathing and siding. What is the proper way to store OSB on the yard or on a job site? wood structural panels. Remember, the values for plywood weight, OSB weight, etc. Marine plywood is manufactured using specially formulated water-resistant adhesive and very dense, high-quality outer plies. The recommended minimum thickness of OSB panels for timber-frame walls is 12mm when the cells in the supporting frame measure up to 62.5cm on a side, and 15mm for frame members spaced up to 83.3cm apart. Determine the appropriate fastening schedule for the structural sheathing. It is due to its rough surface. The hardwood veneers improve strength, stability, and impact-resistance. Softwood plywood is used forroof sheathing, wall sheathing, subfloors, and more. Install structural sheathing (plywood/OSB) in exterior walls to ensure the building will resist design wind pressures. This website uses cookies to improve your experience while you navigate through the website. However, there is a recommendation for the use of slabs in construction with a density of approximately 650 kg /3. 2023 Louisiana-Pacific Corporation. hKo8 (Exception: 3/8" for gable end walls structural sheathing.) As for thicknesses: 6, 10.18 and 22 millimeters. 3/4" plywood is usually 21/32" thick. For the OSB to be considered what it is and to have the properties it should be, chips of sufficient size must be used. Span Rating 3/8 7/16 15/32 1/2 19/32 5/8 23/32 3/4 7/8 1 1-1/8 . OSB "Oriented Strand Board". When used in the manufacture of crates and pallets, are Georgia-Pacific plywood and OSB safe for international shipping? If I have a living room door that leads into the hallway. Plywood boards: characteristics, types and uses, How much does cost install laminate flooring? This is a remarkable problem, since it is a table top with a rough and sloppy appearance, which was intended for structural and not decorative uses. OSB-4. They may include steel connection plates or straps. A red opaque object A. reflects red light only. It is a very common and common product, at least in North America and Europe. These layers are combined to form OSB panels of the desired panel thickness. 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. All Rights Reserved. Please call (800) 964-6310 for more info.) . Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. A typical 4 x 8sheetof 1/2-inchOSB weighsaround 54 lbs. It is sag-resistant and ideal for setting tile on both horizontal and vertical surfaces. They are there to mark what type it is. Determine the appropriate fastening schedule for the structural sheathing. 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. f $ 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 . Varying applications, end uses, and expectations require different metal panel alternatives. Before drying out, of course, it can be much, much heavier.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[580,400],'roofonline_com-narrow-sky-1','ezslot_24',170,'0','0'])};__ez_fad_position('div-gpt-ad-roofonline_com-narrow-sky-1-0'); A typical 4 x 8 sheet of 1/2-inch Pressure-Treated Plywood weighsaround 60 lbs. Difficulty in getting a really smooth finish. (Exception: 3/8 for gable end walls structural sheathing.). The thorn-groove line includes models 2500x1250, 2500x625 and a unique plate 2485x610 - it is difficult to find analogues in serial models. Also make sure that you get your supporting timbers at the correct spacing. As we have already pointed out, there are different classes of OSB boards, each with different characteristics and, therefore, also with different prices. Trim & Fascia Available in lengths up to 16 feet to help create a premium appearance. Sheathed in 1/4" plywood. Please contact our webmaster if you find broken links. 250 125 and 250 62.5 centimeters are the most common measurements. You must have JavaScript enabled to use this form. Nominal Thickness. Roof Online participates in the Amazon, Home Depot, and Roofle affiliate programs and may earn commissions from purchases made through links on our website. Install water resistive barrier (WRB) on the structural sheathing. Both as a suitable support for a roof and as part of sandwich panels. 361 in stock Aisle 16, Bay 16-007. Supports large and heavy tile for flat, even installations. Relative to their strength, OSB panels are light in weight and easy to handle and install. OSB also doesnt have the soft spots that sometimes occur in plywood. An OSB board consists of several layers of glued wood chips to which pressure is applied. Video showing a technique for airtight sheathing installation on exterior walls using foam gasket strips. Color: Orange (other colors available on request) Chemical type: Latex - cross-link hybrid: . Available Profiles Cedar Texture Smooth Finish See It In Action Request a Quote ExpertFinish Colors Looking for color? wood structural panels on both wall faces. Structural Sheathing (plywood/OSB) in Exterior Walls, Install structural sheathing in exterior walls to resist wind pressure. Continuous Rigid Insulation Sheathing/Siding (1), Continuous Rigid Insulation Sheathing/Siding (2), FEMA P-762: Local Officials Guide for Coastal Construction, 2018 IEBC - International Existing Building Code, Advanced Framing: Insulated Interior/Exterior Wall Intersections, Continuous Rigid Insulation Sheathing/Siding, Drainage Plane Behind Exterior Wall Cladding, Health-E Community Enterprises of Virginia, 2021 International Residential Code (IRC), Determine if the house is in a hurricane-prone region or other high-wind area (see. 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. In addition to elevated prices, acute shortages have . This stamp is your assurance that the product is manufactured in accordance with the APAs rigorous program of quality inspection and testing. Wall covering. 10 0 obj <> endobj You also have the option to opt-out of these cookies. Edges also represent the weakest point in this respect. Wrong The gable end wall failed because the rigid foam sheathing was not backed up by plywood or OSB. McElroy's 5V panels are 24 inches wide and incorporate a classic design that adds beauty to any home. Required fields are marked *. Weight. For some high-wind regions, the IRC requires wind design in accordance with other methods including the International Building Code (IBC) (2018 IRC R301.2.1.). Softwood plywood weight is further reduced by the presence of unfilled voids within the inner plies. Durable and weather-resistant, this enamel lasts for years in exterior applications. Consult a professional engineer for specific applications. Its also used in furniture making and shipping crates and as a more economical and flexible alternative to plywood applications. Schluter ALL-SET is a specialized, modified thin-set mortar for use as a bond coat within tile assemblies that is optimized for use with Schluter membranes and boards. Jeff_Clarke | Aug 10, 2008 04:49pm | #18. The following authors and organizations contributed to the content in this Guide. Your email address will not be published. homemade hamburger helper stroganoff; furniture donation pick up jacksonville, fl; vivir conjugation present The layers are not arranged in any way, as it may seem, but the directions in which the chips in each layer are oriented alternate to give the board more stability and resistance. Premium performance. 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. The recommended minimum thickness of OSB panels for timber-frame walls is 12mm when the cells in the supporting frame measure up to 62.5cm on a side, and 15mm for frame members spaced up to 83.3cm apart. Oklahoma State University Extension: Oriented Strand Board as a Building Material, U.S. Department of Energy: Structural Sheathing (Plywood/OSB) in Exterior Walls, SBC Magazine: Strength Axis in Wood Structural Panels. Pressure-treated plywood uses relatively more adhesive than other plywoods. Structural I, also referred to as STRUC I, may be OSB or plywood and is, essentially, a subcategory of APA Rated Sheathing.