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. $@%f:y_T?aW$RL[_Til @P Y\MNDr6Jib$%Rk+jj]LD7JB=F,s.;-=+y#6uK1C-hRTf%5=::MC`pzB*==nPAja/xzgz OSB's combination of wood and adhesives creates a strong, dimensionally stable panel that resists deflection, delamination, and warping; likewise, panels resist racking and shape distortion when subjected to demanding wind and seismic conditions. 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. When wet, OSB swells and can cause roofing materials or exterior finishes to buckle. CDX plywood, the most common plywood used for roof sheathing,is a grade of softwood plywood. Make sure that the gable end wall sheathing is adequate (minimum requirement is for 3/8-in. A typical 4 x 8 sheet of 1/2-inch Baltic Birch Plywood weighsaround 55 lbs. Durability against fungi and insects. Leaning. If you need a piece count and neither of those are visible, please contact GP at 800-284-5347. Types 1 and 2 are for indoor use only. Strengthen the vertical framing members of the gable end with the use of retrofit studs. It also describes where Performance Rated panels are used and provides updated trademark and performance category information. Video describing how to properly install continuous rigid insulation sheathing and siding. 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. R602.3.5 Braced wall panel uplift load path. Structural for use in a humid environment. OSB-4. We also use third-party cookies that help us analyze and understand how you use this website. 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. Does GP's wood come from sustainably managed forests? (See IBHSs Gable End Wall Bracing Retrofit Section. Although, on the other hand, they have disadvantages. Explore color to get inspired, or download the complete list. MDF does not handle moisture well, and is normally only used for interior applications, such as flooring or furniture. See Figure 1. You must have JavaScript enabled to use this form. Its Euroclass fire reaction values standardized without the need for tests are standardized ranging from: D-s2, d0 to D-s2, d2 and Dfl-s1 to E; Efl. OSB-3. For exact code language, refer to the applicable code, which may require purchase from the publisher. To reset a chart that's been zoomed, double-click on the time scale or the price scale (whichever needs to be reset). 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. These uses for what OSB was designed for are structural: It is always advisable to allow the board to adapt to the environment where it will be placed. 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. Is there a difference between span ratings for OSB and plywood? Building codes generally consider plywood and OSB to be interchangeable in construction. Coniferous woods are used mainly, among which are pine and spruce. Report containing 37 fact sheets that provide technical guidance and recommendations concerning the construction of coastal residential buildings. What is the proper way to store OSB on the yard or on a job site? 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. This type of board surpassed the defined use during its conception and became one of the most versatile options. 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. No, span ratings for similar thicknesses are the same. 40503 With integrated structural, water and air management layers, ZIP System products offer interchangeable options for optimal roof and wall performance. in. This is because after it's manufactured, plywood shrinks as it dries. A story on green building in Saturday's Home & Real. Buy 68 or more $9.45. Minimum of 3/8-in. Most lumber yards or plywood manufacturers will list a phone number for their technical department on the contact page on their website. See theCompliance tabfor related codes and standards requirements, and criteria to meet national programs such as DOEsZero Energy Ready Home program,ENERGY STAR Single-Family New Homes, andIndoor airPLUS. Because its created from fast-growing trees, like aspen, maple and pine, its an environmentally friendly alternative to other wall sheathing materials. The following authors and organizations contributed to the content in this Guide. Right The seams are taped on the coated OSB sheathing of this home to provide a complete air barrier. Relative to their strength, OSB panels are light in weight and easy to handle and install. Table R602.3(3) Requirements for Wood Structural Panel Wall Sheathing Used to Resist Wind Pressures. As for thicknesses: 6, 10.18 and 22 millimeters. What does the "span rating" of an OSB panel mean? is Not Recommended POWDER FASTENER & LOAD SELECTION CHART What is the flame spread classification for OSB? OSB built for load-bearing strength in construction. Fire resistance. For the curious - 7/16" OSB has a span rating of 24/16 and with supports every 24 inches is good for a roof live load of 40 psf (pounds per square foot) with a 10 psf dead load. b*4AU(G'I:*!z$lT&a5q|kdrX(nil\=v|k(1P#5 Industrial packaging. This is defined by the glues or adhesives used to manufacture the card. The color may vary depending on the wood used, the type of adhesive and the manufacturing process between light yellow and brown. Similar to solid wood. Within the grade stamp on a panel you will find the span rating. For example, a panel measuring 250 125 centimeters and 12 mm thick will weigh approximately 22 kg. Video showing a technique for airtight sheathing installation on exterior walls using foam gasket strips. Wind loads are the most common loads that shear walls are designed to resist. R602.1.8 Wood structural panels. hbbd``b`j~@q3`N,= R`XAH6Hd' 5@Bv#LF;? Wall covering. Pressure-treated plywood uses relatively more adhesive than other plywoods. 2018 - 2023 APA The Engineered Wood Association. 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. Determine the amount and location of braced walls (shear walls) required at each story of the house. Ideally, after making the cuts, we seal the edges. 28 0 obj <>/Filter/FlateDecode/ID[<32F7D9CC4D47B9E52675B806848BF73E><6DCEBAC53741C943A63DD9CED9311CD0>]/Index[10 28]/Info 9 0 R/Length 87/Prev 62834/Root 11 0 R/Size 38/Type/XRef/W[1 2 1]>>stream OSB is made by breaking down wood into small strips, or strands, up to 6 inches long, combining these strands with wax and adhesive resin under pressure and heat to form layers. Engineered to start flat and stay flat, each . OSB-3 and OSB-4 are the ones with the greatest possibilities you will find. OSB is the most-used sheathing material for new roofs and roof replacements. Plywood boards: characteristics, types and uses, How much does cost install laminate flooring? They are there to mark what type it is. To prevent the introduction and spread of plant pests, ISPM 15: International Standards for Phytosanitary Measures, requires that internationally shipped solid wood pallets be debarked, treated with heat or fumigated with methyl bromide, and marked with a seal of compliance. The roof sheathing must be at least 3/8-in. 1) This chart is presented as a guide only. 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. 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. wood structural panels on both wall faces. Softwood plywood weight is further reduced by the presence of unfilled voids within the inner plies. Cross-laminated timber (CLT) is a large-scale, prefabricated, solid engineered wood panel. HdU90s\@)kWS:cM)$=>>~8Zz. OSB-1. Fortunately, McElroy's popular Max-Rib profile is available in five distinct options: Max-Rib Ultra, Max-Rib II, Max-Rib 100 . The applicable section properties (Table C) can be divided into load capacity to . 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. Structural Sheathing (plywood/OSB) in Exterior Walls, Install structural sheathing in exterior walls to resist wind pressure. swagtron serial number. 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. 1.5 PSF. No form of intermittent bracing (e.g., metal strapping) shall be allowed on an outer wall. The colors and numbers of stripes will vary. The width is measured to be 20 inches. Determine the appropriate fastening schedule for the structural sheathing. Thickness. Does not have nodes, gaps or other types of weaknesses such as plywood or solid wood. All sizes are engineered to provide optimal roof and wall performance. 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 offers parameters similar to those naturally offered by solid wood. Available Sizes (Mills 451, 475, 500, 530), Building Code Performance Categories, Panel Thickness. endstream endobj 14 0 obj <>stream This characteristic is directly related to the geometry of the chips and the properties of the adhesives used. Video describing exterior rigid foam insulation. In no case should the OSB board, not even the OSB / 3 and OSB / 4 types, be submerged or come into direct contact with water. The objective is to imitate the composition of a plywood, plywood or plywood panel, where the plates alternate the grain direction. These layers are combined to form OSB panels of the desired panel thickness. Next, determine the OSB thickness. Her writing on gardening, home improvement and travel appears both online and in print. An OSB board consists of several layers of glued wood chips to which pressure is applied. Right Coated OSB sheathing provides a continuous air and moisture barrier around the home. Decorative furniture. PERFECTION SHINGLE LAP (FIBER) Length. The use of different wood species and different proportions of adhesive by different manufacturers can result in weight differences of up to 20% for plywood or OSB panels with the exact same dimensions and product description from one manufacturer to the next, or even for different batches of the same product from the same manufacturer. He is also the editor of the Roof Online website. f $ Please call (800) 964-6310 for more info.) Yes - it's made in Lac of the Woods . 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. The literature lists solid hardwood, . 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 . Note that specifications for fasteners used with OSB are different in high-risk areas. Tight coverings prevent air circulation and when exposed to sunlight, may promote mold or mildew. But OSB is not suitable for long-term exposure to the weather. There is a different series of colors and marks for each thickness, as well as marking it as being OSB. Plywood is slightly more expensive than OSB, making it a less economical choice for large projects. 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. 1:02 Oriented-strand board (OSB) is an engineered-wood product that is widely used as an alternative to plywood in residential construction. The price of OSB has increased 510% since January 2020, exceeding the peak price increase in lumber by nearly 180 percentage points. McElroy's 5V panels are 24 inches wide and incorporate a classic design that adds beauty to any home. thicknesses: 0.09 (embossed) | 0.075 (smooth) View Brochure fire ratings: Class A or Class C per ASTM E-84 CAN/ULC-S102 FM Approved available Test Results accessories: Polypropylene Molding Seam Sealant Color Rite Silicone Caulk Read More installation tools: Adhesive Panel Roller V-Notched Trowel GLASBORD NEW BLACK COLOR OPTIONS These cookies do not store any personal information. It usually means different thickness but different manufacturers use different colors 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. On every Georgia-Pacific sheathing panel you should be able to find an APA grade stamp. OSB is manufactured in a slightly different range of thicknesses than plywood. Gable end walls on rooms with vaulted or cathedral ceilings. Baltic Birch Plywood: This is a high-quality plywood traditionally produced in Russia and other areas around the Baltic Sea. . Apply minium 2 coats of SEMCO Liquid Membrane to achieve a thickness of at least 30 mil to retard future reoccurrence of crack. endstream endobj 15 0 obj <>stream 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. 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. The hardwood veneers improve strength, stability, and impact-resistance. R602.10.5 Minimum length of braced wall panel. Thickness. Its manufacturing process can be considered more environmentally friendly or responsible than the manufacture of plywood. k%rF);J):5OpPgI59dROhydDM4L5p^m}o: Nail holes were also left unplugged. The edges and / or edges are the weakest point on the board with respect to moisture. 0 It has excellent stability, just slightly below that offered by plywood. Because of this and the fact that the southern yellow pine usedis much heavierthan other wood species used in construction, pressure-treated plywood tends to be a heavy plywood. Go ahead and call it if you have any questions! Varying applications, end uses, and expectations require different metal panel alternatives. These layers are combined to form OSB panels of the desired panel thickness. 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. 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. The thickness of OSB that you need varies on where it is used in a building. OSB used for wall sheathing should be 7/16 inch thick. Wood frame exterior walls must be fully sheathed, including areas above or below wall openings, with minimum 7/16-in. 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. If I have a living room door that leads into the hallway. Required fields are marked *. 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.

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