Install water resistive barrier (WRB) on the structural sheathing. 3/4" plywood is usually 21/32" thick. 1) This chart is presented as a guide only. 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. This type of machining facilitates the joining of several plates, one after the other. Engineered to start flat and stay flat, each . OSB is the best sheathing material. Proper installation is even more important in these areas to protect against storm damage. Structural I is of no additional benefit for other traditional construction applications. Weight of Plywood, OSB, and Other Engineered Wood Panels, In Pounds per Standard Sheet (4 feet x 8 feet), In Kilograms per Standard Sheet (1220 mm x 2440 mm), Table 1: Plywood Weights in Pounds per Square Foot, Table 2: Plywood Weights in Pounds per Standard Sheet, Table 3: Plywood Weights in Kilograms per Square Meter, Table 4: Plywood Weights in Kilograms per Standard Sheet, Types of Plywood and Other Engineered Wood Panels, See Baltic Birch Plywood at the Home Depot, See Pressure-Treated Plywood at the Home Depot. The building code has a minimum requirement for the thickness of Traditional Hard Coat stucco, it is 7/8 of an inch. 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. 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. Building America Solution Center is a resource of the U.S. Department of Energy's Building Technologies Office. endstream endobj 11 0 obj <> endobj 12 0 obj <> endobj 13 0 obj <>stream Another type of classification is conditioned by type of glue used joining wood chips. If they were very small, the result would be similar to that of a card and, therefore, its benefits and uses would be more limited. The Compliance tab contains both program and code information. It is generally the lightest type of engineered wood panel, due to the light weight of the wood species used and the (relatively) low amount of adhesive used in the manufacturing process. b*4AU(G'I:*!z$lT&a5q|kdrX(nil\=v|k(1P#5 Anchor the covering at the top of the stack, but keep it open and away from the sides and bottom to ensure good ventilation. OSB is produced in huge, continuous mats to form a solid panel product of consistent quality with no laps, gaps, or voids. 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 TheAPA Product Support Help Deskis a free serviceavailableto answer your questions pertaining to the specification and application of engineered wood products and systems. Workability. f $ 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. Because of the manufacturing process, OSB is. wood structural panels on both wall faces. All rights reserved. MDF does not handle moisture well, and is normally only used for interior applications, such as flooring or furniture. The leading resource for information about engineered wood products. See Figure 1. 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. In large-scale commercial construction, OSB has largely replaced softwood plywood in wall sheathing, roof sheathing, and subflooring applications. (See code for additional requirements and exceptions.). 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. Latex paints are not recommended. 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. The roof sheathing must be at least 3/8-in. Premium performance. LifeProof flooring can be installed over standard OSB and plywood underlayment and many existing floor types. is Not Recommended POWDER FASTENER & LOAD SELECTION CHART Table 2, titled Guide to APA Performance Rated Panels, explains how each type of sheet should be used. Although the inner plies may also be hardwood, more often they will be made of a cheaper softwood species. Pressure-treated plywood uses relatively more adhesive than other plywoods. It offers parameters similar to those naturally offered by solid wood. 1.5 PSF. Minimum Thickness. Start with the lightest load available. A typical 4 x 8 sheet of 1/2-inch Particle Board weighsaround 66 lbs. Suitable for load bearing applications in construction. It was invented by Armin Elmendorf in California in 1963. Report containing 37 fact sheets that provide technical guidance and recommendations concerning the construction of coastal residential buildings. Confirm with the local building department if the house is in a hurricane-prone region and if local requirements exceed those of the IRC. Sized for spacing (Panel width and length may vary up to 1/8" to aid with proper installation) Nominal size. Available Performance Categories: from 3/8 to 1-1/8* 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 . 40503 structural sheathing panels are required for gable end walls. The lowest density, 566 kg/m 3, was obtained for OSB/3 at 22 mm thickness, which had a lower compaction ratio compared to OSB/2 and OSB/1. Softwood plywood is normally the cheapest plywood. As we have already pointed out, there are different classes of OSB boards, each with different characteristics and, therefore, also with different prices. OSB-4. Consult with the equipment manufacturer on the performance of the individual machine. We will see them as part of furniture, wall covering, shelves, counters, tables . Insurance Institute for Business & Home Safety. It has high mechanical resistance, is light and meets the NIMF-15 standard. osb thickness color chart. Typically 3/4"(18mm) for floors and 3/8" (9mm) for walls and 1/2" (11mm) roof. Key recommendations (taken from the gable end wall bracing retrofit section of the IBHS High Wind Standard : Minimum requirements for use of the prescriptive methods detailed in IBHSs Gable End Wall Bracing Retrofit Section are as follows: Cases that are not covered in this retrofit guidance require that a licensed professional engineer design a gable end bracing system that will meet wind forces appropriate for the location. 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.). These cookies do not store any personal information. If moisture absorption is expected, cut steel bands on bundles to prevent edge damage. These high-quality outer veneers serve to help prevent moisture from penetrating the panel. Excellent resistance and high load capacity. H|U0+:-P6Ul Xx<>>o~e-8, i d !A6s7o@;,-o?g 6 0E3eD$#pe&S0M&\F,{1+_D2x!d1l\R'g y@{9gkXexJeOi2r@k#+-_+53x3U>PdG\5Rh3$a(&MT Video describing exterior rigid foam insulation. What is the flame spread classification for OSB? ENERGY EFFICIENCY AND RENEWABLE ENERGY, Forrestal Building The following tablesprovide typical weights (dead load, self-weight) for plywood, OSB, and other engineered wood panels.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'roofonline_com-large-mobile-banner-2','ezslot_6',869,'0','0'])};__ez_fad_position('div-gpt-ad-roofonline_com-large-mobile-banner-2-0'); We provide metric and US standard plywood weights for whole standard sheets of various common thicknesses, as well as plywood weights per square foot, and plywood weights per square meter. And then some. Actual Plywood Thickness and Size The actual thickness of plywood is often thinner than the nominal thickness shown at the lumber yard. 2018 - 2023 APA The Engineered Wood Association. OSB Basics When people talk about structural plywood, its almost always softwood plywood that theyre talking about. 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. 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. Homes located in coastal high-wind areas including Hurricane-Prone Regions generally require enhanced attachment that can withstand greater wind speeds than the rest of the country. No, span ratings for similar thicknesses are the same. Can Oriented Strand Board (OSB) be Used for Roofing. CLT offers design flexibility and low environmental impacts. Consider our other OSB specialty products designed specifically for floor applications (LP, LP NovaCore Thermal Insulated Sheathing. Densglass Technical Guide - Gypsum, Wood, Lumber, OSB Boards The ceiling diaphragm must be a minimum of 1/2-in. 20-Year transferable limited warranty. These layers are combined to form OSB panels of the desired panel thickness. 5V is also commonly installed as an interior liner or accent panel. drywall, 3/8-in.-thick plywood, or plaster installed over wood lath. Similar to solid wood. PR-N213: Norbord Inc./West Fraser Timber Co. Ltd. PR-N136: Georgia-Pacific Wood Products LLC, ESR-2586: APA The Engineered Wood Association. This type of board surpassed the defined use during its conception and became one of the most versatile options. 48/24), the first number is the maximum recommended center-to-center spacing for supports in inches when the panel is used for roof sheathing with the long dimension across supports. 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. The pressing parameters varied in some limits depending on the board thickness and type. 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. Intermittent bracing may only be used for interior braced wall lines. A typical 4 x 8 sheet of 1/2-inch Baltic Birch Plywood weighsaround 55 lbs. Although, on the other hand, they have disadvantages. 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. Save my name, email, and website in this browser for the next time I comment. @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 Read full bio. A typical 4 x 8 sheet of 1/2-inch Marine Plywood weighsaround 51 lbs. DOWNLOAD: LP SmartSide Lap Siding Coverage Chart() Back to list. boards. Plywood dries more quickly than OSB. Exterior glue. 37 0 obj <>stream Trim & Fascia Available in lengths up to 16 feet to help create a premium appearance. In general terms, we are priced between 4 and 15 / m2. The thickness required by Josh's circumstances are good for roof snow loads of up to 70 psf (again spanning 24"). Other products have corrugated side protectors that should indicate piece count. Explore color to get inspired, or download the complete list. Oriented Strand Board (OSB) is a widely used, versatile structural wood panel. 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. Construction of stands for fairs and exhibitions. See Baltic Birch Plywood at the Home Depot. For the OSB to be considered what it is and to have the properties it should be, chips of sufficient size must be used. Relationship Between Span Rating and Nominal Thickness for OSB(a) Nominal Thickness(b) (in.) Industrial packaging. A typical 4 x 8 sheet of 1/2-inch MDO weighsaround 48 lbs. All are APA-rated and backed by a 20-year transferable limited warranty. Right The coated OSB sheathing can take the place of house wrap to serve as the weather-resistant barrier because it is sealed at the seams with a paint-on flashing. Interior carpentry and furniture shelves. 2023 Louisiana-Pacific Corporation. Overview of Normal Minimum Thicknesses for Different Uses: 9 + 10mm:packaging, protective panelling, furniture OSB used for wall sheathing should be 7/16 inch thick. Right Coated OSB sheathing provides a continuous air and moisture barrier around the home. Which is stronger 1/2 inch plywood or 1/2 inch OSB? These cookies will be stored in your browser only with your consent. 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. kg lb. MDF: Medium Density Fiberboard is produced from wood scraps left over from other wood product manufacturing activities. Longitudinal: 0.03 0.02%. Thickness of plywood ranges from 1/8 inch all the way to 1 inches. 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. All rights reserved. Jeff_Clarke | Aug 10, 2008 04:49pm | #18. What is the proper way to store OSB on the yard or on a job site? Is there a difference between span ratings for OSB and plywood? 361 in stock Aisle 16, Bay 16-007.