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Among the worlds most popular OSB sheathing products, offered in a variety of panel sizes and performance categories. PERFECTION SHINGLE LAP (FIBER) Length. Panels classified as Exposure 1 are intended to resist the effects of moisture on structural performance as may occur due to construction delays, or other conditions of similar severity. PR-N612: Norbord Inc./West Fraser Timber Co. Ltd. In large-scale commercial construction, OSB has largely replaced softwood plywood in wall sheathing, roof sheathing, and subflooring applications. Thickness. Interior carpentry and furniture shelves. Use pieces of lumber to weigh down the top panel in a stack to reduce warpage from humidity. TheAPA Product Support Help Deskis a free serviceavailableto answer your questions pertaining to the specification and application of engineered wood products and systems. Shakes & Shingles Perfection Shingle. 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. 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. This waste wood can be either hardwood or softwood. Structural I refers to certain specialized strength and stiffness characteristics of wood structural panels while the term Exposure 1 refers to the glue bond durability of a wood structural panel. This is because after it's manufactured, plywood shrinks as it dries. Nominal panel thickness (Table B) assists in calculation of geometric cross-sectional properties. 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. In general terms, we are priced between 4 and 15 / m2. 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. Whenever possible, store panels under a roof. OfcR 0 0 Consistent quality throughout and is uniform, workable and remarkably strong. Excellent resistance and high load capacity. Some of these panel types require quite a bit more of these materials than other types. 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 . New construction and retrofit are opportunities to upgrade the exterior structural sheathing to meet standards and building codes and to decide if selecting an above-code strategy for an added level of protection is the right choice for the project. The grade stamp on a panel also tells you a lot about the panel the span rating, exposure rating, panel thickness and the building code approval the panel meets. is Not Recommended POWDER FASTENER & LOAD SELECTION CHART 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. 3/7 inch = 11/32 inches. OSB used for sheathing in walls, flooring, and roof decking. Exterior glue. This is because the process of manufacturing engineered wood destroys any live organisms in the wood. The thickness required by Josh's circumstances are good for roof snow loads of up to 70 psf (again spanning 24"). Suitable for load bearing applications in construction. Both cost about the same to install, $70 an hour for a carpenter. Start with the lightest load available. Select the appropriate thickness for wood structural sheathing panels. Manufacturers treat the edges of OSB boards and use water-resistant resins, but the product shouldnt be exposed to the weather. OSB built for load-bearing strength in construction. swagtron serial number. Plywood boards: characteristics, types and uses, How much does cost install laminate flooring? Exterior wall sheathing is more likely to be damaged or lost in hurricane-prone regions and other high-wind areas, leaving the house susceptible to wind and water intrusion. %%EOF IBHS Requirement for Compliance for Existing Homes. He also served as an infantry paratrooper in the 82nd Airborne Division and attended Cornell University. Within the grade stamp on a panel you will find the span rating. Seasoned Wood: 6.5mm: . Hardwood plywood is commonly used in applications where these qualities are desired, like flooring, cabinets, or wall paneling. 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. The chart represents guidline values but each project is to be treated individually. OSB may have a rough and variegated surface with the individual strips of around 2.5 cm 15 cm (1.0 by 5.9 inches), lying unevenly across each . OSB is made up of various chips of wood from different species of trees in a combination that will meet the WWPA structural specs. Consult with the equipment manufacturer on the performance of the individual machine. Yes - it's made in Lac of the Woods . It has also become a popular material for decoration and not just for structural uses. Structural wood sheathing shall be nailed to the rim board if present with 8d ring shank or 10d nails at 4 inches on center along both the top and bottom edges of the rim board. Weight. It is sag-resistant and ideal for setting tile on both horizontal and vertical surfaces. Blue Ribbon OSB sheathing panels contain no core voids, knots or splits and provide a quality base layer for wall and roof sheathing applications. Oriented Strand Board is a widely used, versatile structural wood panel. This does not mean that they cannot be purchased in different sizes or even OSB when cut. McElroy's 5V panels are 24 inches wide and incorporate a classic design that adds beauty to any home. In general terms we can find OSB plates with densities between 600 and 680 kg / m3. 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. Thickness of plywood ranges from 1/8 inch all the way to 1 inches. Just another site osb thickness color chart Other engineered wood panel types, such as particle board or OSB, contain a much higher percentage of adhesive resin, and since these resins are heavier than wood, these panels tend to be significantly heavier than plywood. But opting out of some of these cookies may have an effect on your browsing experience. In this example, the length is 30 inches. Relationship Between Span Rating and Nominal Thickness for OSB(a) Nominal Thickness(b) (in.) Right - A drywall gasket is installed along the top plate before installed drywall. 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. Still standing proud. See Baltic Birch Plywood at the Home Depot. McElroy's 5V panel is available with fade and chalk resistant Kynar 500/PVDF coatings, which provides assurance that a roof retains its like-new beauty year-after-year. The 250 125 cm and 18 mm thick OSB / 3 costs 25-30. In these cases manufacturers require that you take some steps to add the item to your cart or go to checkout to view our final prices when lower than the manufacturer's set minimum advertised pricing. Prescriptive methods for retrofitting gables 4 ft tall and taller are detailed in the gable end wall bracing retrofit section of the IBHS High Wind Standard and are consistent with methods included in an appendix to the International Existing Building Code (ICC 2018). Strands of varying lengths are dried and then mixed with water-resistant resins used as a binder before being pressed into boards. Sheathed in 1/4" plywood. Virtually every part of small trees grown on sustainable tree farms is used, meaning very little waste is produced in OSBs manufacturing. Select the appropriate thickness for wood structural sheathing panels. Sized for spacing (Panel width and length may vary up to 1/8" to aid with proper installation) Nominal size. endstream endobj startxref Source (s): Work at The Home Depot, Lets Build Something Together. 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. 16 ft. 15.94 in. 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. A typical 4 x 8 sheet of 1/2-inch MDO weighsaround 48 lbs. So in the above scenario, the hinge side would be blue. Sometimes, also species with leaves, like poplar or even eucalyptus. If not, sheathing must be added that meets these minimum requirements as part of the retrofit. Actual Plywood Thickness and Size The actual thickness of plywood is often thinner than the nominal thickness shown at the lumber yard. Settings Open the Settings menu to access different options for your chart. In overall thickness the ratio of face panels to core panel ranges from 40:60 to 60:40. Her writing on gardening, home improvement and travel appears both online and in print. In other words, for similar use and performance, it puts a little more weight on the structure. Code language is excerpted and summarized below. OSB is slightly heavier than plywood, but the added weight doesnt mean added strength nor does it make OSB less structurally sound. Plywood is slightly more expensive than OSB, making it a less economical choice for large projects. The second number is the maximum center-to-center spacing of supports in inches when the panel is used for sub-flooring with the long dimension across supports. Overall, the average density was above the target density for all board types, except for the OSB 11 mm thickness. OSBs are a strong and good alternative to plywood. When used in the manufacture of crates and pallets, are Georgia-Pacific plywood and OSB safe for international shipping? Although the inner plies may also be hardwood, more often they will be made of a cheaper softwood species. Anchor the covering at the top of the stack, but keep it open and away from the sides and bottom to ensure good ventilation. Older timber is spared. Exposure 1 rated for limited exposure. Well, the truth is that for a long time. This latex paint is an acrylic coating available in satin or gloss sheens, which gives floors tough, long-lasting protection. Plywood Whether you need plywood with high-performance characteristics, lightweight properties or exceptional aesthetic qualities, we have a solution for you. . 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 most standard floor and wall installations. 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. You must have JavaScript enabled to use this form. OSB boards offer a distinctly different appearance from other boards. Plain sheets OSB-3 from Ultralam have dimensions of 2500x1250, 2800x1250, 2440x1220, 2500x625. High structural performance for use in a humid environment. For general use and indoor applications (including furniture) used in a dry environment. Fire resistance. OSB panels are available in a variety of common thicknesses and sizes as shown in Table 1, below. 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. 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 Right Coated sheathing is taped at all seams to serve as an exterior air barrier on the walls. These cookies will be stored in your browser only with your consent. 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). MDO: Medium Density Overlay is a type of exterior plywood specifically designed to be painted easily. DOWNLOAD: LP SmartSide Lap Siding Coverage Chart() Back to list. One of the industry's most popular mortars. Both as a suitable support for a roof and as part of sandwich panels. The Building America Field Kit allows you to save items to your profile for review or use on-site. b*4AU(G'I:*!z$lT&a5q|kdrX(nil\=v|k(1P#5 Max-Rib is a low profile (3/4-inch) panel that is equally well suited for residential roofing and post frame applications. OSB is not recommended for outdoor projects. There is no standard definition of the density that an OSB should have. So, when you are buying a standard utility-grade sheet, the actual size will be as follows: 1/8 inch = 7/64 inches. 250 125 and 250 62.5 centimeters are the most common measurements. LP uses an innovative manufacturing process to ensure a reliable, consistent product that outperforms traditional lumber: California Supply Chain Transparency Act. Premium performance. A typical 4 x 8 sheet of 1/2-inch Marine Plywood weighsaround 51 lbs. Typically 3/4"(18mm) for floors and 3/8" (9mm) for walls and 1/2" (11mm) roof. Roof Online participates in the Amazon, Home Depot, and Roofle affiliate programs and may earn commissions from purchases made through links on our website. osb thickness color chart. All are APA-rated and backed by a 20-year transferable limited warranty. Wood sourced through programs certified under the Sustainable Forestry Initiative. These high-quality outer veneers serve to help prevent moisture from penetrating the panel. Here are standard thicknesses and their costs per sheet: 1/4-inch: $32-$37 7/16-inch: $34-$51 1/2 inch: $34-$51 23/32-inch: $50-$56 3/4-inch: $58-$77 OSB Cost Breakdown Particle Board: The product generally known as particle board is similar to MDF. These cookies do not store any personal information. Jack Gray is a principal roof consultant and vice president at theMoriarty Corporation, an award-winning building enclosure consultant firm founded in 1967. Bolt the shear wall hold-down connector through the stud. 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 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.). The applicable section properties (Table C) can be divided into load capacity to . Overview of Normal Minimum Thicknesses for Different Uses: 9 + 10mm:packaging, protective panelling, furniture As for thicknesses: 6, 10.18 and 22 millimeters. Buy 68 or more $9.45. Structural I, also referred to as STRUC I, may be OSB or plywood and is, essentially, a subcategory of APA Rated Sheathing. Minimum Thickness. Because of the manufacturing process, OSB is. Because its created from fast-growing trees, like aspen, maple and pine, its an environmentally friendly alternative to other wall sheathing materials. When wet, OSB swells and can cause roofing materials or exterior finishes to buckle. . All rights reserved. Voluntary Product Standard PS2. 4' x 9' panels available in select colors. The most used are: Phenol-Formaldehyde (PF), Urea-Formaldehyde-Melamine (MUF), Urea-Formol, Diisocyanate (PMDI) or mixtures of the above. Durability against fungi and insects. 361 in stock Aisle 16, Bay 16-007. $3.49/sq.ft. The latex formula is ideal for indoor applications where fast dry is important. A typical 4 x 8 sheet of 1/2-inch Particle Board weighsaround 66 lbs. Thermal and acoustic insulation. Minimum of 3/8-in. Exposure 1 : OSB suitable for uses not permanently exposed to the weather. All rights reserved. However, we can also find other types of OSB boards (which will always be included in some of the previous classes) that are sold with some additional features or modifications. Y(|V$V&>wICCK}IAcZbm+@b9=#S4w>`Rh|BXx1{&UhkkXG@8qNf@fFRPQ(x2a0 #gopO*Pv4,\!KW9p]VP>d&"7D4OQ"wU]~Hbr5NSbJW.Uc}9)"+, The colors and numbers of stripes will vary. Schluter ALL-SET is smooth and creamy, as well as easy to handle and spread. Sign In Failed. And then some. Structural I is of no additional benefit for other traditional construction applications. . Access a complete list of APA publications about OSB in APA's Resource Library. 2023 Louisiana-Pacific Corporation. @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 Widely distributed, LP OSB products are available when you need them. They are there to mark what type it is. drywall, 3/8-in.-thick plywood, or plaster installed over wood lath. 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. OSB/plywood sheathing). Gable end walls must be tied to the structure. The price of OSB has increased 510% since January 2020, exceeding the peak price increase in lumber by nearly 180 percentage points. OSB is made from abundant, small diameter poplar and aspen trees to produce an economical structural panel. FEMA P-499, Home Builder's Guide to Coastal Construction: Technical Fact Sheet Series, Right Correct fasteners and nailing pattern for structural wall sheathing, APA Building for High Wind Resistance in Light-Frame Wood Construction. Because of the extremely high resin content, MDF tends to be one of the heaviest types of engineered wood panels.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'roofonline_com-mobile-leaderboard-1','ezslot_17',885,'0','0'])};__ez_fad_position('div-gpt-ad-roofonline_com-mobile-leaderboard-1-0'); A typical 4 x 8 sheet of 1/2-inch MDF weighsaround 69 lbs. $2.99 /sq.ft. Consult a professional engineer for specific applications. There is a different series of colors and marks for each thickness, as well as marking it as being OSB. OSB-3. Upper- and lower-story wall sheathing must be nailed to the common rim board. Wind loads are the most common loads that shear walls are designed to resist. Right This coated OSB sheathing product is available with an integrated insulation layer. Structural for use in a humid environment. Walls continuously sheathed with structural sheathing (OSB or plywood). A typical 4 x 8sheetof 1/2-inchOSB weighsaround 54 lbs. The answer may seem ambiguous. Softwood plywood is normally the cheapest plywood. 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. 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. 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. 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. 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. 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. The Performance Category is consistent with the panel thickness used in the U.S. model building codes. A typical 4 x 8 sheet of 1/2-inch Baltic Birch Plywood weighsaround 55 lbs. Limit 90 per order. 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. _  7z>Ggh_eZV[I6N-6E:&$cz^0RS"'9 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. For instance, while plywood is typically 90% to 95% wood, OSB might only contain 80% wood. Softwood plywood is used forroof sheathing, wall sheathing, subfloors, and more. Pressure-treated plywood is heavier than other plywoods even after drying out from the pressure-treating process. Inch Calculator 14k followers More information graphic showing various types of plywood and their actual thickness Woodworking Plans Beginner Woodworking Techniques OSB "Oriented Strand Board". 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. All sizes are engineered to provide optimal roof and wall performance. Most lumber yards or plywood manufacturers will list a phone number for their technical department on the contact page on their website. Special waterproof adhesives are used when this plywood is manufactured so it can withstand the pressure-treating process without falling apart. Because it uses leftover wood material, OSB tends to be cheaper than plywood, and it is more uniform since it has none of the knots and other defects that may be present in plywood. 1.5 PSF. &o_a-~K9SY Nailing of wall sheathing shall be increased to 8d ring shank or 10d nails on 4 inches on center along the edges and 6 inches on center in the field. Plywood, OSB, particle board, etc. Sanding of the wood, which takes place during manufacturing, can remove up to 1/32 inch of material from the plywood sheet. ), Connect the bottom of the gable end to the wall below using metal bracket connectors. 5/16, 3/8, 15/32, 1/2, 19/32, 5/8, 23/32, 3/4, 7/8, 1, 1-1/8. wood structural panels. It is also a variable that is directly related to the wood species used in its manufacture. 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.