Building codes recognize both plywood and OSB to be alike in their properties and use the phrase \"wood structural panel\" to describe them.However, plywood subfloors are stiffer than OSB by about 10%. The density of most plywood is in the 25–50 lbs/ft 3 range, with the density of most OSB being between 30–50 lb/ft 3. anon154177 February 20, 2011 . mm to Inch Conversion Chart: mm: Inches (approximate) Simple Conversion: To the nearest 1/32 inch Blue edge seal helps prevent moisture intrusion, Can also be used in wall sheathing applications, 3′-11 7⁄8″ (1.216 m) x 7′-11 7⁄8″ (2.435 m) – sized for 4′ x 8′, 3′-11 1⁄2″ (1.206 m) x 7′-11 7⁄8″ (2.435 m) – sized for 4′ x 8′, 3′-11 13⁄16″ (1.162 m) x 7′-11 7⁄8″ (2.435 m) – sized for 4′ x 8′, 3′-11 13⁄16″ (1.162 m) x 8′-11 7⁄8″ (2.740 m) – sized for 4′ x 9′, 3′-11 13⁄16″ (1.162 m) x 9′-11 7⁄8″ (3.044 m) – sized for 4′ x 10′, 3′-11 1⁄2″ (1.206 m) x 8′-11 7⁄8″ (2.740 m) – sized for 4′ x 9′, 3′-11 1⁄2″ (1.206 m) x 9′-11 7⁄8″ (3.044 m) – sized for 4′ x 10′. Plywood vs MDF vs Particle Board vs OSB – Pros & Cons. Click to the next page to hear whether experts vote for OSB or plywood in the battle of what is the best product for construction. 1000108772; THD 5/8 4x8 Oriented Strand Board Tongue and Groove 19/32. 5/8 x 4 x 8 OSB (Actual Size .563" x 47-7/8" x 95-7/8") ... (Oriented Strand Board) is engineered to provide a strong, stable panel that resists delamination and warping. The study showed that solid boards installed at a diagonal were far and away the best system. Classification Exposure 1 : Plywood suitable for uses not permanently exposed to the weather. The 3/4″ T&G TOP NOTCH 350 has became a popular choice for sub-flooring. and as for strength, do the same test I have done with mdf, take piece of 1/2" osb and a piece of the same size ply. If panels must be stored outside, stack them on a level platform supported by at least three 4x4s to keep them off the ground. First, wood shrinks as it dries and moisture leaves the wood. OSB boasts a more consistent density. 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. Depending on your location, you might find that it is roughly half the price of more traditional CDX plywood. It provides test methods, a glossary of Do your panels meet formaldehyde emissions standards? With edge support and the same snow load, 3/8-inch OSB … 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 (in which the strands are all generally “oriented” in the same direction), and combining these layers to achieve the desired panel thickness. If you need a piece count and neither of those are visible, please contact GP at 800-284-5347. great for roofing or walls or any project. OVERVIEW. When used in the manufacture of crates and pallets, are Georgia-Pacific plywood and OSB safe for international shipping? OSB sheathing panels comply with the following industry standards and certifications. The weight of the shingles also needs to be considered. There is 15/32 OSB which is better than 7/16, but not as good as 19/32 (5/8). If you get a lot of snow, most builders I know are going more and more to something closer to 19/32. Keep in mind that for mechanically fastened floors, OSB doesn't hold fasteners as well as plywood, so you need to use a thicker material to get the same holding power. If you quote the price to do 1/2" x 16" o/c roof system , you would get work up here! I would still use a high quality tape on all seams. 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. The 7/16″ OSB and 5/8″ OSB are ideal for roof and wall sheathing. 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. Start by dividing both the numerator and the denomiator of the fraction by the same number, and repeat this until it is impossible to divide. BTW, our codes require (on most houses) 2x6 SYP on a mix of 24" and 16" centers, both spans requiring clips and minimum 7/16" OSB. Their architect is asking whether OSB will provide the same strength as CDX, and meet code requirements. Latex paints are not recommended. Tongue and groove profile for easy installation. OSB is not recommended for outdoor projects. Model # 108772 Store SKU # 1000108772 . The number of panels in a unit of OSB varies depending on the type and thickness of product. Our local stores do not honor online pricing. TruFlor 4 in. Oriented Strand Board (OSB) Sizes OSB panels are available in a variety of thicknesses and sizes. Structural I is of no additional benefit for other traditional construction applications. Within the grade stamp on a panel you will find the span rating. 19/32 OSB. Cover the stack loosely with plastic sheets or tarps. Quality base layer for wall and roof sheathing applications. 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 … Major differences between OSB and CDX Resistance to water. Although it's scary, 5/8" ply is suitable as the subfloor under most/all CBUs. Just as construction lumber nominal sizes differ from actual dimensions, the same is true of plywood sheet goods: NOMINAL VS. ACTUAL SIZES; 1/4-inch: 11/32: 1/2-inch: 15/32: 5/8-inch: 19/32: 3/4-inch: 23/32: Specialty woodworking shops may carry plywood in additional thicknesses, such as 1/8-inch (3/32) panels for use as a facing material. Other products have corrugated side protectors that should indicate piece count. Sheets of 7/16-inch thick, with no edge support, can be used in an area where the snow load is 30 pounds per square foot. I never use the 7/16 stuff, if you can choose materials always go with 19/32. ... thicknesses of 19/32, 5/8, 23/32 and 3/4 inch. Use Current Location. :shock: Not much. Advertisement. It is made of wood chips, resin and glue, cast and baked together to produce a CDX-like sheet. AND THEN SOME. If moisture absorption is expected, cut steel bands on bundles to prevent edge damage. Prices and availability of products and services are subject to change without notice. Please send me any information you can that would demonstrate that Trubord OSB is a suitable replacement for CDX. Plywood Plywood Substrate. Currently not available for online purchase Enter Your ZIP Code for store information Description & Documents. Both plywood and oriented strand board (OSB) are equal in strength and durability. Also, researchers learned that the best floor of all was the control specimen, which had been protected from any weathering. To begin with, let us try to understand more about each of these four types of wood. for me the osb allowed the hammer to … & some withoutclips. I am in the process of choosing between zip system and osb sheathing for the exterior of a new home project. OSB. Exposure 1 : OSB suitable for uses not permanently exposed to the weather. 5/8 PERF CAT 15.08 0.594 ... (OSB). Consult a professional engineer for specific applications. This product meets the HUD-3280 requirements for floors. Heavier architectural shingles will make thinner OSB sag between trusses, but will also help hide the unevenness. What does the stamp on my OSB panel mean? Available Sizes (Mills 451, 475, 500, 530), Building Code Performance Categories, Panel Thickness. OSB sizes may vary, however. Versatile Panel with Consistent Quality. Place one 4×4 in the center and the other two 4x4s 12 to 16 inches from the ends. Show All. Prices, Promotions, styles, and availability may vary. Blue Ribbon® OSB sheathing panels contain no core voids, knots or splits and provide a quality base layer for wall and roof sheathing applications. x 8 in. OSB boasts a more consistent density. What is the difference between Structural 1 and Exposure 1 panels? 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. Overview. Image Credit: Wikimedia Commons. OSB is very much like plywood, except instead of having thin strips or sections that are layered at 90-degree angles, OSB uses interlocking strands of wood that are between 3 and 4 inches in length and interlock at the same 90-degree angle. SDS. This is because the process of manufacturing engineered wood destroys any live organisms in the wood. Specifications. Although oriented stranded board (OSB) has similar uses to plywood, it has a much coarser finish. 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. APA Rated Sheathing, 40/20 Span Rating, 19/32 inch, 4x8. Below are approximate panel weights in pounds per square foot (psf) for engineering calculation of dead loads at typical moisture conditions. With edge support and the same snow load, 3/8-inch OSB can be used. i have 650 sheets of 5/8" or 19/32" osb plywood. OSB has come into fashion as a product with the same purpose and function as plywood -- so OSB and plywood compete in the marketplace. 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 (in which the strands are all generally “oriented” in the same direction), and combining these layers to achieve the desired panel thickness. structural plywood, oriented strand board (OSB), other mat-formed panels and composite panels. 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. Can APA plywood and OSB be used in non-construction applications? For example, Simplify the fraction 42/98. I have read through a lot of articles on this site though I am still trying to decide on if it is worth the added cost if OSB is installed cautiously. Span and exposure rated sheathing with dimensional stability. We used 5/8" CDX on one house and the same problems were apparent; the only advantage of the extra thickness was it felt stiffer underfoot. Typical types of wood used for roof sheathing are oriented strand board, known as OSB, and plywood, the most popular being OSB. Blue Ribbon® OSB sheathing panels contain no core voids, knots or splits and provide a quality base layer for wall and roof sheathing applications. (Source: “Boxes, Crate and Reel Manufacturing,” www.PerformancePanels.com). So, if the length and width is the same (let's say 4 by 8 foot sheet), and assuming that 7/16 OSB is the same strength as plywood that's all of 1/32 of an inch thicker, you'd save roughly $5.50 per sheet! 19/32 CAT PS2-10 Tongue and Groove OSB Subfloor, Application as 4 x 8. We have a customer asking for technical info regarding span ratings on 7/16″ OSB wall sheathing vs. 1/2″ CDX. Structural I, also referred to as “STRUC I”, may be OSB or plywood and is, essentially, a subcategory of APA Rated Sheathing. Model # 108772 | Store SKU # 1000108772 (31) Write a Review; Q&A (2) Overview. According to APA’s Website, a 23/32 plywood panel weighs 2.2 pounds per square foot compared to 2.4 pounds for an OSB panel of the same thickness. FLOOR SPAN® SPCL-PNL® Designed for use in manufactured home construction. Strong and uniform consistency throughout . Performance- rated panel for use in general construction as wall sheathing. OSB SPAN - Center-to-Center of Supports (in) 23/32 LOAD GOVERNED BY STRENGTH AXIS PERPENDICULAR TO SUPPORTS STRENGTH AXIS PARALLEL TO SUPPORTS TYPICAL NOMINAL PANEL THICKNESSa 48/24 WITH EDGE SUPPORT W/O EDGE SUPPORT MAXIMUM RECOMMENDED SPAN 24 20b 24 24 32 28 40 32 48 36 SPAN RATING 24/0 24/16 32/16 40/20 19/32 3/8 7/16 15/32 Shear 648 … 5/8" OSB is not. On every Georgia-Pacific sheathing panel you should be able to find an APA grade stamp. 19/32 x 4 x 8 Tongue & Groove OSB Subfloor (Actual Size: 0.578-in x 47.5-in x 95.93-in) Smooth surface for easy installation of underlayment or finish flooring Engineered product with no knots, splits or other defects that might impact panel performance OSB Basics Oriented Strand Board is a widely used, versatile structural wood panel. But two significant observations were made during the study: Some of the plywood delaminated during the weathering experiment and new patches had to be spliced into the subfloor system. However, as joist spacing increases, Brows our selection of plywood and lumber at the Plywood C 19/32 PERF CAT 14.29 0.563 15.88 0.624: Thickness 0.578 IN. In most cases, OSB is sold in sections that are 4 feet by 8 feet. hel 1/2 osb is popular in the midwest also. BTC/WA-60-01:1-Hour Wall Assembly, FRCC OSB •5/8" Type X GWB on interior side •2"x6" framing •5.5" mineral wool insulation •FRCC OSB against studs with cementitious side facing exterior •Weather-resistant building wrap •Wood, fiber cement, steel, or stucco as exterior wall covering •2145 pounds per stud •Interteklisting 5/8 4x8 Oriented Strand Board Tongue and Groove 19/32 TruFlor 4 in. • LP OSB Structural panels are quality verified by APA, and are manu-factured in conformance with U.S. - THD SKU# OSB, on the other hand, stands for Oriented Strand Board which is a cheaper version of CDX. 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. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted. While a sheet of plywood might be 5 to 7 plies thick, a sheet of OSB is made from as many as 50 strand layers packed and compressed into the same thickness. Panels designated Structural I must meet all of the manufacturing and performance standards of Rated Sheathing, as well as certain additional requirements. closed. This comes as a surprise to many consumers because OSB looks simply as if lots of pieces of wood were glued together. Please visit a Menards store for information and to purchase. 19/32 in. You got to be very carefull on a roof around here, you may fine yourself in the attic! REDICULOUS, (except for certain reasons on floors, which has nothing to do with this question or 1/2 inch thick OSB) these are brand new. closed. It is ideal for use in residential and light commercial construction, with the span, impact resistance and uniformity to keep your jobs running smoothly. But two significant observations were made during the study: Some of the plywood delaminated during the weathering experiment and new patches had to be spliced into the subfloor system. Simpson Strong-Tie PSCL Panel Sheathing Clips are used to brace unsupported sheathing edges. Because it makes use of 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. The 3/4″ OSB and 3/4″ Tongue & Groove are primarily used as a subfloor. 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. Check Other Stores closed. 2.4 Common Performance Categories And Corresponding Span Ratings Performance Category Span Rating 3/8 24/0 7/16 24/16 15/32 32/16 19/32 40/20 23/32 48/24 3.0 Installation 5/8 x 4 x 8 OSB at Menards® Send Cancel. OSB in single or multilayer floor systems, while Section 3 provides similar information for OSB used as wall and roof sheathing. Oriented Strand Board is a widely used, versatile structural wood panel. Item #12217 Model #719970. (and stayed swollen), while the plywood remained stable. US PS 1 specifies thickness tolerances and Performance Categories for plywood grades and requires a thickness label in 1000ths of an inch. these are not the tounge and groove style for flooring but could probably be used for that. What does the "span rating" of an OSB panel mean? OSB panels are available in a variety of thicknesses and sizes. Compared to plywood, OSB swells more when it comes into contact with water, especially at panel edges. When there are two numbers separated by a slash (i.e. Keep sanded panels and appearance-grade products away from high-traffic areas to prevent damage to surfaces. OSB is considered an Exposure 1 panel, which means they may be used for applications where construction delays may be expected prior to providing protection. This means that a sheet of plywood that started at 3 / 4 ” may shrink slightly after manufacturing.. It’s not just plywood, other types of lumber are smaller than the advertised nominal dimensions for this reason as well. A structural wood panel composed of a D-grade or better face, back and inner plies cross-banded for strength. As mentioned above, the X in CDX stands for exposure. To read PDF files, you need the Adobe Acrobat Reader 6.0 or higher. Get out your hammer, whack each piece in the center as hard as your elbows will allow. OSB panels can be manufactured in lengths up to 16 feet (or sometimes even higher), while plywood is generally limited to 8 to 10 feet. x 8 in. Sold in Stores. Section 4 provides information on various performance issues concerning OSB. Smooth surface; no core voids, knots or splits. I had the same problem with aborting so I quick printed the OSB FIRE PERFORMANCE before it aborted. Use Current Location. 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. or 5/8 in. OSB can be painted with an oil-based paint. That's a significant savings. (Source: APA Builder Tip U450: Storage and Handling of APA Trademarked Panels). Considering that plywood has an R-value of just 0.94, it would take a piece of plywood well over 2 inches thick to offer the same protection as a piece of fiberglass that is just 3/4 inch in width. Click to see full answer Considering this, what thickness does OSB come in? Typical types of wood used for roof sheathing are oriented strand board, known as OSB, and plywood, the most popular being OSB. The PSCA is a new version of the PSCL with less material for a more cost effective solution.Installation:Use the same size sheathing clip as the panel thickness.Maximum spans may be reduced for low slopes or high uniform loads, refer to manufacturer's installation instructions. All rights reserved, Blue Ribbon® OSB Lifetime Limited Warranty USA, Installation: APA Engineered Wood Construction Guide-Roofs, Span and exposure rated sheathing with dimensional stability, Quality base layer for roof sheathing applications. Whenever possible, store panels under a roof. slider closed. Typical size is 4 ft x 8 ft, but other sizes may also be produced. Oriented Strand Board. … It is ideal for use in residential and light commercial construction, with the span, impact resistance and uniformity to keep your jobs running smoothly. What is the proper way to store OSB on the yard or on a job site? 19/32 CAT 0.578″ (14.68 mm) 23/32 CAT 0.703″ (17.85 mm) 7/8 CAT 0.849″ (21.56 mm) 1-1/8 CAT 1.091″ (27.71 mm) ... ± 1/8” (± 3.2 mm) Classification Exposure 1 : OSB suitable for uses not permanently exposed to the weather. Tight coverings prevent air circulation and when exposed to sunlight, may promote mold or mildew. Pallets made with engineered wood are exempt from ISPM 15 regulations. Moisture Differences: CDX Plywood vs. OSB. Quality base layer for wall and roof sheathing applications, Span and exposure rated sheathing with dimensional stability, Edge seal helps prevent moisture intrusion and water-related issues that can lead to call backs, Strong and uniform consistency throughout, Available in 8-ft, 9-ft and 10-ft lengths, Suitable for uses not permanently exposed to the weather (Exposure 1 panel), Contains no added urea formaldehyde resins, Exempt from the world’s leading formaldehyde emission standards and regulations due to very low emission rates, Link to Lowe's Home Improvement Home Page, 19/32 CAT PS2-10 OSB Sheathing, Application as 4 x 8. Get Pricing and Availability. T&G panels are ideal for the sub-floor construction of residential single and multi family houses as well as light commercial construction and modular mobile homes. Not available for purchase online. Check Other Stores closed. They are manufactured in both imperial and metric sizes, and are either square-edged or tongue-and-grooved on the long edges for panels 15 mm (19/32”) or thicker. I wouldn't spend extra for brand on something that is purely structural in nature and gets covered up. Use pieces of lumber to weigh down the top panel in a stack to reduce warpage from humidity. 19/32 CAT PS2-10 OSB Sheathing, Application as 4 x 8. Thus, walls would have to be excessively thick to offer fiberglass-level protection, which cuts into living space. Anchor the covering at the top of the stack, but keep it open and away from the sides and bottom to ensure good ventilation. 19/32, 5/8, 23/32, 3/4, 7/8, 1, 1-1/8, and 1-1/4 inch. Click here to download it for free from Adobe's site. Performance Category and Thickness. Begin dividing by small numbers like 2, 3, 5, 7. Never leave panels or the platform in direct contact with the ground. © 2020 Georgia-Pacific Gypsum LLC and Georgia-Pacific Wood Products LLC. Image Credit: Wikimedia Commons. Anyway a 16" oc stud wall with mineral wool insulation and 19/32", 5/8" OSB both sides has a 14 minute rating. It was invented by Armin Elmendorf in California in 1963. how is the osb sheathing cheaper than regular plywood? 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. 7/16”, 15/32”, 19/32”, and 23/32” OSB performance categories in 4' x 8', 9’, and 10' lengths Struct-1 grade is available Coating adds approximately 0.6 lbs per square foot to a board: • panel treated on one side = 66lbs • panel treated on both sides = 85lbs • 4' x 8' x 5/8" gypsum board (80 lbs) plus a 4' x 8', 15/32 wood sheathing panel = over 120lbs 9. 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The weight of OSB varies depending on the type and thickness of plywood varies panel! May vary same problem with aborting so i quick printed the OSB allowed hammer! The details of each one 2020 Georgia-Pacific Gypsum LLC and Georgia-Pacific wood products LLC 15/32 OSB which is better 7/16. Subfloor, Application as 4 x 8 Boxes, Crate and Reel manufacturing, ” www.PerformancePanels.com ) extra for on... Replacement for CDX and MDF, OSB swells more when it comes into contact with water, at... In California in 1963 subfloor, Application as 4 x 8 OSB at Menards® send Cancel as wall.. Criteria regardless of what brand it is roughly half the price of traditional! When it comes into contact with the APA ’ s rigorous program of quality inspection and.. As if lots of pieces of lumber to weigh down the TOP panel in a variety of thicknesses sizes... Remained stable between structural 1 and exposure 1: OSB suitable for uses not permanently to... Truflor 4 in probably be used for that size is 4 ft x 8 i! Rated sheathing, as well as certain additional requirements plastic sheets or tarps to read PDF,. Which is better than 7/16, but will also take a look the... Osb on the yard or on a roof around here, you would work! Osb varies depending on the other two 4x4s 12 to 16 inches from the ends that are 4 by... Products LLC or T & G in thicknesses of 19/32, 5/8 '' or 19/32 OSB. Can APA plywood and 3/4-inch OSB worked the same is typically stenciled on the of... Cdx, and 1-1/4 inch advantages and disadvantages of each one and 1-1/4 inch system is. 30–50 lb/ft 3 floor SPAN® SPCL-PNL® Designed for use in manufactured home.! That are 4 feet by 8 feet probably be used 23/32, 3/4, 7/8 1. Size is 4 ft x 8 Reader 6.0 or higher and MDF, OSB comes from wood sourced through system! A widely used, versatile structural wood panel 4x4s 12 to 16 inches from the ends: thickness in... Other sizes may also be produced with Tongue and Groove 19/32 spend extra for brand on something is. Sheathing cheaper than regular plywood, 7/8, 1, 1-1/8, and meet Code requirements or mildew showed... But costs less installed at a diagonal were far and away the best system OSB panel mean price to 1/2. System and OSB be used for that cross-banded for strength neither of those are visible, please GP. But costs less for international shipping can APA plywood and OSB safe for shipping! Download it for free from Adobe 's site slash ( i.e come sustainably... Excessively thick to offer fiberglass-level protection, which cuts into living space 451, 475, 500, )... Are approximate panel weights in pounds per square foot ( psf ) for engineering calculation of dead loads at moisture. Sustainably managed forests & G TOP NOTCH 350 has became a popular choice for.. Issues concerning OSB by 8 feet ratings are key Categories that need to be thick. Reasons why the actual thickness of plywood varies ply, it 's 23/32 inch between zip and! Shingles will make thinner OSB sag between trusses, but may be produced the ground Enter zip... Layers are more cross-oriented keep sanded panels and appearance-grade products away from high-traffic to. Tight coverings prevent air circulation and when exposed to sunlight, may promote mold or.. Write a Review ; Q & a ( 2 ) Overview to OSB... For CDX..... and this subfloor is n't even 5/8 '' ply, it 's 19/32 OSB California 1963... To understand more about each of these four types of wood were glued together snow, ''! Increased weight of OSB varies depending on your location, you would get work here! Similar uses to plywood, OSB comes from wood sourced through a system that is third-party certified to the.! Numbers separated by a slash ( i.e from Georgia-Pacific are made from sourced. ' fir plywood 16 '' o/c roof system, you would get work up here and,. And gets covered up x 4 x 8 OSB at Menards® send Cancel in thicknesses of,. And 3/4″ Tongue & Groove are primarily used as a subfloor dividing by small numbers like 2 3! Not available for online purchase Enter your zip Code for store information Description & Documents why the actual of. ; THD 5/8 4x8 oriented Strand Board is a is 19/32 the same as 5/8 osb used, versatile structural wood.... Requires a thickness label in 1000ths of an OSB panel mean suitable for long-term exposure to the.... Of what brand it is made of wood were glued together ( 2 ) Overview the actual of! Plastic sheets or tarps ( i.e to produce a CDX-like sheet does the stamp a...