It also describes where Performance Rated panels are used and provides updated trademark and performance category information. Required fields are marked *. PID Number. In general terms we can find OSB plates with densities between 600 and 680 kg / m3. Remember, the values for plywood weight, OSB weight, etc. Do the different colors painted on the edges of OSB mean something? Intermittent bracing may only be used for interior braced wall lines. However, there is a recommendation for the use of slabs in construction with a density of approximately 650 kg /3. Wood sourced through programs certified under the Sustainable Forestry Initiative. Suitable for load bearing applications in construction. 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. %%EOF 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. A 4x8-foot sheet of construction-grade plywood costs roughly $10 a sheet, while the same size sheet of OSB costs only $6 a sheet. However, reality has put us in its place, we do not know whether because they like their appearance very much, because they were looking for something different or because this type of board was related to the world of recycling, something very fashionable, more than any other type. OSB "Oriented Strand Board". We also use third-party cookies that help us analyze and understand how you use this website. DOWNLOAD: LP SmartSide Lap Siding Coverage Chart() Back to list. The APA publications desk number is 1-253-565-6600 and their extensive literature is available at apawood.org. What is the flame spread classification for OSB? For example. Dimensional stability. All rights reserved. housebuilding126 Original Author 7 years ago Thank you. It is also a variable that is directly related to the wood species used in its manufacture. OSB is produced in huge, continuous mats to form a solid panel product of consistent quality with no laps, gaps, or voids. Product Specifications Available Sizes: 47-7/8 x 95-7/8 panels (Longer panels and custom thicknesses are also available. Confirm with the local building department if the house is in a hurricane-prone region and if local requirements exceed those of the IRC. The width is measured to be 20 inches. Sized for spacing (Panel width and length may vary up to 1/8" to aid with proper installation) Nominal size. This does not mean that they cannot be purchased in different sizes or even OSB when cut. Select LP SmartSide products are available in 16 ExpertFinish prefinished colors. MDF does not handle moisture well, and is normally only used for interior applications, such as flooring or furniture. He is also the editor of the Roof Online website. Softwood plywood weight is further reduced by the presence of unfilled voids within the inner plies. It is due to its rough surface. The most used are: Phenol-Formaldehyde (PF), Urea-Formaldehyde-Melamine (MUF), Urea-Formol, Diisocyanate (PMDI) or mixtures of the above. 250 125 and 250 62.5 centimeters are the most common measurements. (See IBHSs Gable End Wall Bracing Retrofit Section.). How to Install Exterior Structural Sheathing and Interior Shear Wall Construction. The point is that we can find them not only in domestic environments, but also in offices, stores, etc. 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). In addition to standing out in this use for its mechanical properties, it should be noted that because it is made of wood, it has interesting characteristics such as thermal and acoustic insulation. Older timber is spared. But opting out of some of these cookies may have an effect on your browsing experience. If I have a living room door that leads into the hallway. MDF: Medium Density Fiberboard is produced from wood scraps left over from other wood product manufacturing activities. Please see our Disclosure Statement. ), Make connections between horizontal braces and retrofit studs using metal straps and fasteners. Minimum Thickness. We could also classify them according to the type of mechanization with which they are sold: The measures or dimensions are in this case much more standardized than in other types of panels. is manufactured using adhesives, primers, and sealants. Can Oriented Strand Board (OSB) be Used for Roofing. The objective is to imitate the composition of a plywood, plywood or plywood panel, where the plates alternate the grain direction. Pressure-treated plywood is heavier than other plywoods even after drying out from the pressure-treating process. Proper installation is even more important in these areas to protect against storm damage. Your email address will not be published. It is heavier than the plywood. Table 1: OSB - Thicknesses and Weights OSB (CSA O325) Thickness 1220 x 2440 mm (4 x 8 L) Panel Weight mm. osb thickness color chart. Roof Online participates in the Amazon, Home Depot, and Roofle affiliate programs and may earn commissions from purchases made through links on our website. 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. Its mostly so they can sort the different thicknesses and materials, at the warehouse and at the store. For the OSB to be considered what it is and to have the properties it should be, chips of sufficient size must be used. hb`````2g gah@b2~*5;413Gp/a`[q And then some. OSB (oriented strand board) is made from large, flat chips arranged in as many as 50 layers, which are adhered together with glues and pressed into sheets. These layers are combined to form OSB panels of the desired panel thickness. A publication highlighting recommendations that contribute to improved overall performance in the structural shell and focus on good connection details to tie together exterior walls, roofs and floors. Consistent quality throughout and is uniform, workable and remarkably strong. Because of the manufacturing process, OSB is less costly and more environmentally sound than plywood. When using a mechanical hot air welder there are practical slope limitations. Overall, the average density was above the target density for all board types, except for the OSB 11 mm thickness. Durable and weather-resistant, this enamel lasts for years in exterior applications. Just another site osb thickness color chart Connections should be made at the top and bottom of the gable end wall. %PDF-1.6 % OSB is a commonly used type of sheathing material, roof decking and floor underlayment. (See IBHSs Gable End Wall Bracing Retrofit Section. Right-Wall-insulating sheathing is extended up to roof rafters and sealed around the framing with spray foam, Wrong The rigid sheathing seams are not taped and the gaps could cause moisture problems, Water Management System Builder Checklist Guide. Recall Information: Decking | Press Releases. You can create a free listing in our brand new Contractor Directory!if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'roofonline_com-large-leaderboard-1','ezslot_9',124,'0','0'])};__ez_fad_position('div-gpt-ad-roofonline_com-large-leaderboard-1-0');report this ad. A story on green building in Saturday's Home & Real. Keep sanded panels and appearance-grade products away from high-traffic areas to prevent damage to surfaces. Since adhesive resins and sealants are much heavier than wood, this means that wood products that use a lot of them will be heavier than wood products that use less of them. They are there to mark what type it is. Densglass Technical Guide - Gypsum, Wood, Lumber, OSB Boards IBHS Requirement for Compliance for Existing Homes. $2.99 /sq.ft. Plywood is slightly more expensive than OSB, making it a less economical choice for large projects. &o_a-~K9SY Widely distributed, LP OSB products are available when you need them. If you have questions and/or would like a reply to this feedback, please include your e-mail address in the message. They can be attacked by xylophagous fungi and also by some insects such as termites in certain particularly favorable environments. We will see them as part of furniture, wall covering, shelves, counters, tables . The number of panels in a unit of OSB varies depending on the type and thickness of product. Specialized construction situations requiring installation of roof sheathing panels with the strength axis parallel to supporting structure also benefit from the use of Structural I sheathing. It can be worked with the same tool and machined in the same way as other types of boards or wood: cut, drill, drill or nail. Supports large and heavy tile for flat, even installations. Install water resistive barrier (WRB) on the structural sheathing. They are there to mark what type it is. 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 . Inch Calculator 14k followers More information graphic showing various types of plywood and their actual thickness Woodworking Plans Beginner Woodworking Techniques In addition to elevated prices, acute shortages have . It offers parameters similar to those naturally offered by solid wood. Designed by Elegant Themes | Powered by WordPress. Right Wood-to-sheathing joints are caulked so the sheathing can provide an air barrier for the home. Softwood plywood is normally the cheapest plywood. Sheathed in 1/4" plywood. Latex paints are not recommended. Building America Solution Center is a resource of the U.S. Department of Energy's Building Technologies Office. Traditional Hard Coat stucco is the most common type of stucco cladding used in the United States, it is applied in 3 layers over metal lath: Scratch coat 3/8 inch Brown coat 3/8 inch Finish coat 1/8 inch (See code for additional requirements and exceptions.). When there are two numbers separated by a slash (i.e. All rights reserved, Blue Ribbon OSB Lifetime Limited Warranty USA, Wood and Wood Products Safety Data Sheet (English/Canada), Wood and Wood Products Safety Data Sheet (English/US), Wood and Wood Products Safety Data Sheet (French/Canada), Wood and Wood Products Safety Data Sheet (Spanish/Mexico), Installation: APA Engineered Wood Construction Guide-Walls, Span and exposure rated sheathing with dimensional stability, Quality base layer for wall sheathing applications. A typical 4 x 8 sheet of 1/2-inch Particle Board weighsaround 66 lbs. Engineered to start flat and stay flat, each . PID Number. ), Connect the bottom of the gable end to the wall below using metal bracket connectors. 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. osb thickness color chart. Table 1 shows you how to read and understand the stamp that makes up the label. Blue Ribbon OSB sheathing panels contain no core voids, knots or splits and provide a quality base layer for wall and roof sheathing applications. 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. A typical 4 x 8sheetof 1/2-inchOSB weighsaround 54 lbs. Less environmental impact. OSB/plywood sheathing). It is a very common and common product, at least in North America and Europe. R602.1.8 Wood structural panels. The living room side is green and the hallway side is blue. OSB is made from abundant, small diameter poplar and aspen trees to produce an economical structural panel. The following authors and organizations contributed to the content in this Guide. This website uses cookies to improve your experience while you navigate through the website. (Exception: 3/8" for gable end walls structural sheathing.) We set our own Everyday Low Prices as well as sale prices, but some manufacturers restrict how retailers display that pricing. As for thicknesses: 6, 10.18 and 22 millimeters. All sizes are engineered to provide optimal roof and wall performance. 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. The 12 mm thick OSBs are used when the supporting frame is 62.5 cm wide, and an 83.3 cm wide supporting frame is needed for 15 mm thick OSBs. For heavier loads - a 40/20 rated panel (19/ . 361 in stock Aisle 16, Bay 16-007. Blue edge seal helps prevent moisture intrusion, Can also be used in wall sheathing applications, 3-11 78 (1.216 m) x 7-11 78 (2.435 m) sized for 4 x 8, 3-11 12 (1.206 m) x 7-11 78 (2.435 m) sized for 4 x 8, 3-11 1316 (1.162 m) x 7-11 78 (2.435 m) sized for 4 x 8, 3-11 1316 (1.162 m) x 8-11 78 (2.740 m) sized for 4 x 9, 3-11 1316 (1.162 m) x 9-11 78 (3.044 m) sized for 4 x 10, 3-11 12 (1.206 m) x 8-11 78 (2.740 m) sized for 4 x 9, 3-11 12 (1.206 m) x 9-11 78 (3.044 m) sized for 4 x 10. Go ahead and call it if you have any questions! The IRC defines Hurricane-Prone Regions as areas along the Atlantic and Gulf Coasts where wind velocity is >115 mph, and Hawaii, Puerto Rico, Guam, the Virgin Islands, and American Samoa (see the IRC wind map in the Climate tab). See Baltic Birch Plywood at the Home Depot. 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. OSB Basics is Not Recommended POWDER FASTENER & LOAD SELECTION CHART Because plywood is made of veneers that are glued and pressed together, unlike OSB, its more attractive and can be used for finish work. A typical 4 x 8 sheet of 1/2-inch Softwood Plywood weighsaround 43 lbs. Construction of stands for fairs and exhibitions. Covers and / or ceilings. 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. Durability against fungi and insects. Interior carpentry and furniture shelves. 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 . Layers are consolidated under extreme pressure, creating a stiff, strong and durable panel. For exact code language, refer to the applicable code, which may require purchase from the publisher. The pressing parameters varied in some limits depending on the board thickness and type. First, determine the OSB length. On every Georgia-Pacific sheathing panel you should be able to find an APA grade stamp. Relationship Between Span Rating and Nominal Thickness for OSB(a) Nominal Thickness(b) (in.) Explore color to get inspired, or download the complete list. Thickness. There are three levels of Fortified Home: Fortified Roof focuses on the roof; Fortified Silver focuses on roof overhangs, opening protection, gable ends, and attached structures; Fortified Gold focuses on tying all components of the structure together. Find here Oriented Strand Board, Osb manufacturers, suppliers & exporters in India. Coniferous woods are used mainly, among which are pine and spruce. In other words, for similar use and performance, it puts a little more weight on the structure. 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. Excellent resistance and high load capacity. Premium performance. Although the inner plies may also be hardwood, more often they will be made of a cheaper softwood species. The edges and / or edges are the weakest point on the board with respect to moisture. Fire resistance. These prescriptive methods of retrofitting are intended to increase the resistance of existing gable end construction to out-of-plane wind loads. The final manufacturing step is pressure and heat curing. Wood sourced through programs certified under the Sustainable Forestry Initiative, Available Sizes: 47-7/8 x 95-7/8 panels (Longer panels and custom thicknesses are also available. AKk6r#(DM}'Y+K[3&v}~+^U'vBzYml' Plywood Whether you need plywood with high-performance characteristics, lightweight properties or exceptional aesthetic qualities, we have a solution for you. Panels designated Structural I must meet all of the manufacturing and performance standards of Rated Sheathing, as well as certain additional requirements. You are not going to get one brand that uses a high percentage of oak or maple just because it sounds more prestigious. Shear walls are walls composed of braced panels (also known as shear panels) to counter the effects of lateral load acting on a structure. 3/4" plywood is usually 21/32" thick. (See IBHSs Gable End Wall Bracing Retrofit Section. In an OSB panel the two exterior surface layers of wood strands are oriented parallel to the long axis of the panel. @t)@+@YC*MAsEC o YP2$*$i4B;I{./+_tte B::BonU!_!_7sf |1$>W|z! *f}hgXn/mOQ ezK]]g7Ye5iX}~[Eu;e@n&&x5?T[]?=>)o.vp9d)m1Qa].sq? rr L6h#X The chart represents guidline values but each project is to be treated individually. Note that specifications for fasteners used with OSB are different in high-risk areas. These cookies do not store any personal information. 2018 - 2023 APA The Engineered Wood Association. Table R602.3(3) Requirements for Wood Structural Panel Wall Sheathing Used to Resist Wind Pressures. Marine Plywood: Despite its name, this is not a waterproof plywood. Ideally, after making the cuts, we seal the edges. In large-scale commercial construction, OSB has largely replaced softwood plywood in wall sheathing, roof sheathing, and subflooring applications. Available Profiles Cedar Texture Smooth Finish See It In Action Request a Quote ExpertFinish Colors Looking for color? Because its created from fast-growing trees, like aspen, maple and pine, its an environmentally friendly alternative to other wall sheathing materials. A guide aiming to assist local officials and community decision makers in coastal areas in adopting and implementing sound mitigation measures to lower building natural disaster vulnerability. 37 0 obj <>stream 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. OSB-4. Lightweight yet very strong, with superior acoustic, fire, seismic and thermal performance, CLT is also fast and easy to install, generating almost no waste onsite. For general construction. For disaster resistance, comply with the requirements defined by Fortified Home (Fortified Technical Resources). Something that caught my attention in recent years was the interest that OSB boards have aroused in the world of decoration. Right This coated OSB sheathing product is available with an integrated insulation layer. This puts less pressure on forest resources, that is, greater use is made of the tree. Because of the manufacturing process, OSB is. Ideal for use in residential and light commercial construction, with the span, impact resistance and uniformity to keep your jobs running smoothly. But I would go all out to have the walls meet in a linear plane, so whatever works to make a smooth wall is what he wants. Wrong The gable end wall failed because the rigid foam sheathing was not backed up by plywood or OSB. Finally, calculate the OSB weight using the formula above: OSBW = L*W*T * D. OSBW = 30*20*.5 * .0231. Exposure 1 rated for limited exposure. (Source: APA Builder Tip U450: Storage and Handling of APA Trademarked Panels). 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. You also have the option to opt-out of these cookies. 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. Right This homes above-grade walls are constructed in a factory where wall panels of 2x6 studs are assembled and sheathed with a coated OSB product, then windows are installed and flashed before shipping the panels to the site for assembly by crane. Trim & Fascia Available in lengths up to 16 feet to help create a premium appearance. endstream endobj 15 0 obj <>stream Her writing on gardening, home improvement and travel appears both online and in print. The IBHS Fortified Home program includes the following additional above-code guidance and requirements for structural sheathing. Longitudinal: 0.03 0.02%. Marine plywood is manufactured using specially formulated water-resistant adhesive and very dense, high-quality outer plies. 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. 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.