Sheathing is the board layer you attach to wall studs, roof rafters, or floor joists. It goes over framing to create a flat surface for siding, roofing, or flooring.<\/p>\n\n\n\n
This layer doesn\u2019t just sit there; it adds structural stability. Nailing or screwing sheathing panels to framing at set intervals helps the structure resist racking from wind or earthquakes.<\/p>\n\n\n\n
That\u2019s why your walls stay square instead of twisting when the wind blows sideways. Most sheathing uses either \ud569\ud310<\/strong> or oriented strand board (OSB)<\/strong>.<\/p>\n\n\n\n Plywood uses cross-layered veneers, which limits expansion across the panel. That means it can handle short bursts of moisture with less swelling at the edges.<\/p>\n\n\n\n OSB, on the other hand, uses compressed wood strands and resin, giving it consistent strength for wall bracing\u2014usually at a lower price.<\/p>\n\n\n\n Some projects use non-structural sheathing<\/strong> like fiberboard or foam panels. These add insulation or moisture control, but they don’t resist racking, so you have to pair them with structural panels to meet code.<\/p>\n\n\n\n Sheathing also acts as the base for weather barriers. You install house wrap or integrated systems right over it, since the flat surface makes it easier to seal seams and reduce air leaks.<\/p>\n\n\n\n Common sheathing roles:<\/strong><\/p>\n\n\n\n Plywood sheathing is simply plywood used as a structural skin<\/strong> on walls, roofs, or floors. It ties studs, rafters, and joists together into a single system.<\/p>\n\n\n\n Manufacturers make sheathing plywood from cross-laminated wood veneers<\/strong> bonded with phenolic resin adhesives<\/strong>. Each layer\u2019s grain runs at a right angle to the next, so loads spread across the whole panel instead of following one grain line.<\/p>\n\n\n\n This keeps warping down and makes stiffness more predictable. Most plywood sheathing follows APA Rated Sheathing<\/strong> standards and comes in common thicknesses like 3\/8 in., 1\/2 in., and 5\/8 in.<\/strong><\/p>\n\n\n\n Thicker panels handle bending better, letting you meet span and wind-load needs without extra framing. Sometimes, plywood sheathing doubles as plywood siding<\/strong>, acting as both structure and exterior finish\u2014but then you\u2019ll need to seal and flash it properly since it faces the weather.<\/p>\n\n\n\n Let\u2019s clear up the terms:<\/p>\n\n\n\n Plywood sheathing holds up better than OSB when it comes to short-term moisture, since veneer layers dry out faster. That means less swelling at the edges if it gets wet for a bit.<\/p>\n\n\n\n When you see structural plywood<\/strong>, it\u2019s not about looks\u2014it\u2019s all about performance under load. It\u2019s meant to be part of the structural components<\/strong> of a building, not just a pretty face.<\/p>\n\n\n\n Structural plywood meets standards like AS\/NZS 2269<\/strong> or similar codes. These standards make sure the panel can handle certain loads, resist bending, and stay stable over time.<\/p>\n\n\n\n Manufacturers glue thin wood veneers together, with each layer\u2019s grain running at right angles. This keeps the panel from warping and spreads loads more evenly.<\/p>\n\n\n\n Adhesive matters too. Structural plywood uses A-Bond or B-Bond phenolic adhesives<\/strong> that stand up to moisture. That way, the glue line holds up even when things get humid.<\/p>\n\n\n\n Common traits of structural plywood:<\/p>\n\n\n\n Most plywood sold as sheathing in today\u2019s construction is structural. Manufacturers rate it under U.S. standards like PS 1 or PS 2, which set minimum strength and stiffness.<\/p>\n\n\n\n That means you can use it to resist loads in walls, floors, and roofs. The panel spans between studs, joists, or rafters and transfers loads across them, so the building acts as a single system instead of a bunch of loose parts.<\/p>\n\n\n\n Structural plywood sheathing gets its strength from cross-laminated veneers and exterior or Exposure 1 adhesives. Because of the alternating layers, the panel resists bending and racking, which helps control wall movement under wind or earthquakes.<\/p>\n\n\n\n But not all plywood is up to the task. If a panel is labeled for appearance or interior use, it might not have a span rating or structural grade. If there\u2019s no stamp with a span rating, performance category, or exposure class, don\u2019t count on it for structure.<\/p>\n\n\n\n People say \u201cregular plywood\u201d all the time, but that doesn\u2019t mean much in engineering. Most products sold under that name are non-structural plywood<\/strong>\u2014think furniture-grade, cabinet-grade, or panels meant for looks.<\/p>\n\n\n\n These focus on surface finish, not load capacity. Manufacturers often use urea-formaldehyde glue and mixed hardwood cores. This glue softens when wet, and the core has gaps, so the panel doesn\u2019t have rated strength or bending values.<\/p>\n\n\n\n Basically, you can\u2019t trust it to handle wind, seismic, or floor loads. Structural plywood, on the other hand, earns its rating by passing tests and meeting standards. Panels stamped as Structural I<\/strong>, PS 1<\/strong>, or PS 2<\/strong> show span ratings, thickness, and glue type.<\/p>\n\n\n\n They use phenol-formaldehyde adhesives and controlled veneer layouts, which stay stable under moisture and heat. That means the panel keeps its strength in real-world use.<\/p>\n\n\n\n If you use non-structural plywood for load-bearing work, you risk deflection, fastener failure, or failing inspection.<\/p>\n\n\n\n When picking between sheathing and structural plywood, the label matters less than the structural rating stamped on the panel<\/strong>. You can buy non-structural plywood, and sheathing can be plywood or OSB. The stamp tells you how it\u2019ll perform, not what the receipt says.<\/p>\n\n\n\n Structural ratings come from standards like APA Rated Sheathing<\/strong> or Structural I<\/strong>. These ratings confirm thickness, span, and bond type. That way, you know how far the panel can span and how much load it can handle.<\/p>\n\n\n\n The key is panel grade and rating<\/strong>, not whether it\u2019s called plywood or sheathing. For example, a 15\/32 APA Rated Sheathing 32\/16 Exposure 1<\/strong> panel meets specific strength and stiffness values, so inspectors and engineers don\u2019t have to guess.<\/p>\n\n\n\n Structural I panels have stricter limits on core gaps and stiffness, which means higher shear values in engineered shear walls. You use them when plans call for certain shear ratings, not just standard framing.<\/p>\n\n\n\n Plywood grades matter too. Panels made from C-D or C-C plugged plywood<\/strong> serve different surface and structural needs. Pick the grade for exposure and finish, but always check the rating for structural use.<\/p>\n\n\n\n What to check on the stamp:<\/strong><\/p>\n\n\n\n When you hear Wood Structural Panel<\/strong>, it\u2019s an engineering category set by U.S. standards. This includes softwood plywood<\/strong> and OSB made under PS 1 and PS 2<\/strong> product standards.<\/p>\n\n\n\n These panels carry loads in roofs, walls, and floors. The APA \u2013 The Engineered Wood Association<\/strong> sets the testing and labeling rules.<\/p>\n\n\n\n APA trademarks link each panel to a design spec<\/strong>, span rating, thickness, and bond class. You can match a panel to stud spacing and load needs without much guesswork.<\/p>\n\n\n\n APA Rated Sheathing<\/strong> pops up most often in specs. It works for wall bracing, roof decks, and subfloors as long as you follow the printed span rating.<\/p>\n\n\n\n When you use the right fasteners and spacing, you get code-compliant strength. Many wood structural panels use phenolic adhesives<\/strong>, especially phenol-formaldehyde resin<\/strong>.<\/p>\n\n\n\n This resin forms a heat-cured, waterproof bond between veneers or strands. The glue line stands up to moisture during construction delays and keeps its strength.<\/p>\n\n\n\n Some panels display a Structural I<\/strong> mark. That label means the panel\u2019s shear values have been verified for engineered shear walls and diaphragms.<\/p>\n\n\n\n If your design doesn\u2019t call for those values, standard Rated Sheathing still meets the same span ratings. Here\u2019s what you\u2019ll spot on the panel stamp:<\/p>\n\n\n\n The panel stamp tells you how it performs. These ratings come from APA standards and guide how you can use the panel in walls, roofs, and floors.<\/p>\n\n\n\n APA Rated Sheathing<\/strong> means the panel meets PS 2 performance rules for strength and stiffness. It can be plywood or OSB.<\/p>\n\n\n\n The panel passes lab tests for load and deflection, so you can rely on it for standard framing. Performance Category (CAT)<\/strong> states the panel thickness in inches, like 15\/32 CAT<\/em>.<\/p>\n\n\n\n Manufacturers use CAT instead of nominal size because sanding changes the actual thickness. This helps you match span tables and avoid using a panel that\u2019s too thin.<\/p>\n\n\n\n Span Rating<\/strong> shows up as numbers like 32\/16<\/em>. The first number is for roofs, the second for floors.<\/p>\n\n\n\n This gives you clear limits on joist or rafter spacing. Structural I<\/strong> adds tighter strength and stiffness controls to APA Rated Sheathing.<\/p>\n\n\n\n Manufacturers control wood species and panel layout to raise shear and diaphragm values. You use Structural I when an engineer needs higher lateral load resistance, not for basic framing.<\/p>\n\n\n\n Exposure 1<\/strong> describes glue durability, not strength. The adhesive resists short-term moisture during construction.<\/p>\n\n\n\n The panel can handle getting wet before the building dries in, but it\u2019s not for long-term weather exposure.<\/p>\n\n\n\n When you see 15\/32-inch plywood<\/strong>, it\u2019s tempting to call it 1\/2 inch. But it\u2019s not.<\/p>\n\n\n\n Manufacturers sand panels after pressing, so a \u201c1\/2-inch\u201d panel usually measures 15\/32 inch<\/strong>. The label shows the real thickness, not a rounded name.<\/p>\n\n\n\n Span ratings<\/strong> tell you how far a panel can span between supports. A common mark is 32\/16<\/strong>.<\/p>\n\n\n\n The first number is for roof sheathing, the second for floor sheathing. The same panel can work on a roof with 32-inch spacing or a floor with 16-inch spacing, if you install it as rated.<\/p>\n\n\n\n Sheathing thickness and span rating work together. A 15\/32 panel with a 32\/16 rating meets code for many roofs and floors.<\/p>\n\n\n\n The panel\u2019s stiffness matches the spacing limits, so it controls bending under load. Plywood sizes use nominal names, not exact measurements.<\/p>\n\n\n\n The key is simple: always match the actual thickness<\/strong> \uadf8\ub9ac\uace0 span rating<\/strong> to your framing layout, not the nominal name you see on the stack.<\/p>\n\n\n Both products show up on walls, roofs, and floors, but they serve different goals. Sheathing plywood acts as a system layer<\/em> tying framing together.<\/p>\n\n\n\n Structural plywood uses cross\u2011laminated veneers bonded with exterior phenolic adhesives. Each layer runs perpendicular to the next, which helps the panel resist bending and racking forces.<\/p>\n\n\n\n Sheathing plywood might use similar construction, but manufacturers don\u2019t always test it for load capacity. It works well to stiffen a wall or roof plane, but don\u2019t assume it can replace a rated structural panel.<\/p>\n\n\n\n The choice depends on code requirements and load paths. If the panel must resist measured forces, specify structural plywood. If it mainly ties framing together and supports finishes, sheathing plywood usually does the trick.<\/p>\n\n\n\n It\u2019s important to separate load-bearing<\/strong> from load distribution<\/strong> when picking a panel. Load-bearing deals with vertical forces from people, furniture, and walls.<\/p>\n\n\n\n Load distribution spreads those forces across framing so no single joist or stud takes the full weight. Structural plywood often supports load-bearing roles because it uses rated veneer grades and tested thicknesses, like 19\/32 in. or 23\/32 in. panels.<\/p>\n\n\n\n It can span floor joists and carry design loads set by building codes. You\u2019ll see it in subfloors<\/strong> \uadf8\ub9ac\uace0 floors<\/strong> where the panel works with joists to resist bending.<\/p>\n\n\n\n Sheathing focuses on load distribution, not primary support. It transfers loads to framing and resists racking through shear strength.<\/p>\n\n\n\n Wall and roof sheathing help keep the building square during wind or seismic events, but they don\u2019t replace structural floor panels. In floor sheathing<\/strong> \uadf8\ub9ac\uace0 subflooring<\/strong>, the design intent often overlaps.<\/p>\n\n\n\n A structural-rated panel distributes loads across multiple joists due to its stiffness and fastening pattern. The panel reduces bounce and point loads, even though the framing still carries most of the weight.<\/p>\n\n\n\n\n\n People often compare plywood sheathing and OSB (oriented strand board) when picking structural panels for walls, roofs, and floors. Both meet U.S. building code requirements when rated for structural use, but they behave differently under load and moisture.<\/p>\n\n\n\n Plywood uses cross\u2011laminated wood veneers with alternating grain directions. This layout limits expansion and contraction because each layer resists movement in the next.<\/p>\n\n\n\n Plywood panels tend to stay flatter after repeated wet\u2011dry cycles, which helps with floor stiffness and roof alignment. OSB uses long wood strands arranged in layers and bonded with waterproof resins.<\/p>\n\n\n\n The strands run in set directions, so OSB achieves uniform strength across the panel. You get predictable shear performance for wall bracing at a lower cost per sheet.<\/p>\n\n\n\n Moisture response is a big difference. OSB can absorb water more slowly, but it also dries more slowly, which can cause edge swelling if it stays wet too long.<\/p>\n\n\n\n Plywood absorbs water faster but releases it faster too, so panel edges usually return closer to their original thickness.<\/p>\n\n\n\n Moisture ratings show how long a panel can handle wet conditions without losing strength. These ratings focus on adhesive bond durability<\/strong>, not face grades or coatings.<\/p>\n\n\n\n Exposure 1<\/strong> panels use waterproof adhesives designed for short-term wetting. The glue resists moisture during construction, so the panel keeps its strength if it gets rained on.<\/p>\n\n\n\n You can leave roof or wall sheathing uncovered for a limited time, but you need to dry and protect it as soon as possible. Exterior<\/strong> panels also use waterproof adhesives but meet stricter test requirements.<\/p>\n\n\n\n The bond stands up to repeated and long-term moisture cycles. The panel can remain exposed to weather in service if needed.<\/p>\n\n\n\n Moisture barriers matter with both ratings. Adding housewrap, roofing underlayment, or flashing limits water entry.<\/p>\n\n\n\n Barriers reduce swelling risk and help the panel perform as rated.<\/p>\n\n\n\n Moisture often causes headaches for sheathing materials, both before and after installation. Plywood and OSB soak up water through their exposed edges.<\/p>\n\n\n\n When the strands or veneers swell unevenly, dimensional stability<\/em> drops. You\u2019ll notice raised panel edges, uneven walls, or even wavy spots under siding or roofing.<\/p>\n\n\n\n Edge swelling is a big culprit for service issues. OSB tends to show this more since its compressed wood strands expand at cut edges.<\/p>\n\n\n\n Fasteners can end up sticking out, and finish materials might not sit flat. It\u2019s not a great look, and it can mess with the final fit.<\/p>\n\n\n\n Installation mistakes make things worse. If panels butt tight together without the recommended gap, seasonal moisture has nowhere to go.<\/p>\n\n\n\n As panels expand, they press against each other, sometimes causing buckling or pulling nails loose. Not ideal.<\/p>\n\n\n\n Fastener type and spacing play a role too. If you use smooth nails or space them too far apart, you lose shear strength between framing and sheathing.<\/p>\n\n\n\n This reduces wall stiffness and can mess with code-required capacity. Little details add up fast.<\/p>\n\n\n\n Common jobsite problems include:<\/p>\n\n\n\n Structural sheathing panels show up in walls<\/strong>, roofs<\/strong>, and shear walls<\/strong> where the frame needs to carry load and resist movement. These panels include APA Rated Sheathing made from plywood or OSB, with span ratings and nail schedules stamped right on the face.<\/p>\n\n\n\n This lets you match the panel to the spacing and loads called out on your plans. Wall sheathing<\/strong> supports studs and fights racking from wind or earthquakes.<\/p>\n\n\n\n Panels work because their cross\u2011layered or strand layouts spread load across the sheet. That means straighter walls and fewer cracks around doors<\/strong> and windows as the building shifts.<\/p>\n\n\n\n Roof sheathing<\/strong> supports roofing materials and transfers loads to rafters or trusses. The panels get stiffer when you install the strength axis across supports.<\/p>\n\n\n\n So the roof deck bends less under snow or workers, which helps shingles and membranes last longer. Shear walls<\/strong> rely on specific panel grades and edge nailing.<\/p>\n\n\n\n Structural I panels come with verified shear values for engineered designs. That lets you hit code targets without extra bracing.<\/p>\n\n\n\n Panels sometimes get installed next to concrete<\/strong> foundations as sill-backed wall sheathing. This limits movement at the base and helps doors keep working smoothly over time.<\/p>\n\n\n Absolutely. Structural plywood shows up in plenty of roles that aren\u2019t sheathing.<\/p>\n\n\n\n Sheathing is a job<\/strong>, not a material, while structural plywood is a panel type<\/strong> with rated strength. You\u2019ll see structural plywood used as subflooring<\/strong> all the time.<\/p>\n\n\n\n Panels with a PS 1 or PS 2 grade stamp<\/strong> and a span rating like 32\/16<\/strong> can easily carry floor loads across joists. You can fasten the panel right to joists and walk on it during construction without worrying about damage.<\/p>\n\n\n\n Builders also use structural plywood for roof decks, stair treads, and built-in platforms<\/strong>. The panel\u2019s cross-laminated veneer layers<\/strong> help spread loads in both directions.<\/p>\n\n\n\n This means the panel resists bending and edge cracks better than single-layer boards. Outside buildings, structural plywood pops up in shipping crates, pallets, and industrial shelving<\/strong>.<\/p>\n\n\n\n Panels rated Exposure 1<\/strong> can take short-term moisture during transport, so a little rain or humidity won\u2019t wreck them. The main thing? When you use structural plywood for load support, always follow the grade stamp, span rating, and fastening schedule.<\/p>\n\n\n\n Building codes like the International Building Code (IBC)<\/strong> treat plywood and OSB as wood structural panels<\/strong> if they meet standards like PS 1 or PS 2. The APA grade stamp<\/strong> shows thickness, span rating, and exposure class right on the panel.<\/p>\n\n\n\n For inspectors, that stamp is proof the panel fits the code-approved use. Inspectors care about how you use the panel<\/strong>, not just what you call it.<\/p>\n\n\n\n When a wall or roof acts as a shear wall or diaphragm<\/strong>, the code needs panels rated for that load. Inspectors check panel type, nail spacing, and edge blocking because those details control racking resistance.<\/p>\n\n\n\n Some plans call for Structural I Rated Sheathing<\/strong>. This label means the panel passed extra testing for shear performance.<\/p>\n\n\n\n Inspectors will look for the Structural I mark only if the engineered drawings require it. If plans don\u2019t specify Structural I, standard rated sheathing usually passes code.<\/p>\n\n\n\n Inspectors also check:<\/p>\n\n\n\n Start by looking at the grade and rating stamp<\/strong> on the panel. Check for APA or similar markings that list span rating, exposure class, and thickness.<\/p>\n\n\n\n That stamp means the panel passed tests for load and moisture standards that engineers count on. Next, figure out how you\u2019ll use the panel.<\/p>\n\n\n\n Structural plywood<\/strong> uses cross\u2011laminated veneers to spread loads across the sheet. This matters when you need better fastener holding at edges, like in shear walls or roof diaphragms.<\/p>\n\n\n\n Sheathing panels<\/strong> (including OSB) use bonded wood strands for even strength across the face. Builders like this for big wall or roof areas where loads are spread out.<\/p>\n\n\n\n Don\u2019t forget climate and your build schedule. Panels rated Exposure 1<\/strong> can handle short-term wetting during construction, which helps if rain hits before you get the building enclosed.<\/p>\n\n\n\n But it\u2019s not a substitute for proper weather protection. Use thickness and span tables to match your framing spacing.<\/p>\n\n\n\n Thicker panels resist deflection better because they\u2019re deeper. Engineers specify this to reduce floor bounce and wall movement.<\/p>\n\n\n\n Always follow the fastening and spacing rules in the manufacturer\u2019s guide. The right nail size, edge spacing, and expansion gaps let the panel move without buckling.<\/p>\n\n\n\n Nope. Sheathing is how you use a panel, not what it\u2019s made of. You use sheathing on walls, roofs, or floors to resist racking and tie the framing together. Plywood is just one material for the job.<\/p>\n\n\n\n No. Plywood needs an APA or PS 1\/PS 2 structural rating stamp to count as structural. That stamp confirms tested values for stiffness and shear. Inspectors look for it on load\u2011resisting walls.<\/p>\n\n\n\n No. OSB is a structural wood panel, but it\u2019s not plywood. OSB uses oriented wood strands instead of veneers. It meets structural codes but falls under a different product type.<\/p>\n\n\n\n Most folks go with 3\/8 inch<\/strong> panels when studs are spaced 16 inches apart. If the spacing is wider or you want a bit more stiffness, 15\/32 inch<\/strong> is a common pick.<\/p>\n\n\n\n Just check the span ratings stamped on the panels\u2014they\u2019ll tell you if you\u2019ve got the right match.<\/p>","protected":false},"featured_media":4794,"parent":0,"template":"","meta":{"_acf_changed":true,"_seopress_robots_primary_cat":"","_seopress_titles_title":"Sheathing vs Structural Plywood: Engineering Properties and Usage Guidelines","_seopress_titles_desc":"Compare sheathing and structural plywood in terms of load resistance, surface function, and appropriate construction use cases.","_seopress_robots_index":""},"blog-category":[],"class_list":["post-4791","blog","type-blog","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.sumecbuildingmaterial.com\/ko\/wp-json\/wp\/v2\/blog\/4791","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sumecbuildingmaterial.com\/ko\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.sumecbuildingmaterial.com\/ko\/wp-json\/wp\/v2\/types\/blog"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sumecbuildingmaterial.com\/ko\/wp-json\/wp\/v2\/media\/4794"}],"wp:attachment":[{"href":"https:\/\/www.sumecbuildingmaterial.com\/ko\/wp-json\/wp\/v2\/media?parent=4791"}],"wp:term":[{"taxonomy":"blog-category","embeddable":true,"href":"https:\/\/www.sumecbuildingmaterial.com\/ko\/wp-json\/wp\/v2\/blog-category?post=4791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\n
What Is Plywood Sheathing?<\/strong><\/h2>\n\n\n\n
Term<\/strong><\/td> What it means<\/strong><\/td><\/tr> Sheathing plywood<\/strong><\/td> Plywood chosen for use as sheathing<\/td><\/tr> Plywood sheathing<\/strong><\/td> The installed panel on walls, roofs, or floors<\/td><\/tr> Plywood siding<\/strong><\/td> Sheathing that also serves as exterior siding<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n What Does \u201cStructural Plywood\u201d Actually Mean?<\/strong><\/h2>\n\n\n\n
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![\"\"](\"https:\/\/www.sumecbuildingmaterial.com\/wp-content\/uploads\/2-19.jpg\")
<\/figure>\n<\/div>\n\n\nIs Plywood Sheathing Structural? (Usually, Yes)<\/strong><\/h2>\n\n\n\n
Why \u201cRegular\u201d or \u201cNormal\u201d Plywood Is Not Always Structural<\/strong><\/h2>\n\n\n\n
The Real Difference: Structural Ratings, Not Product Names<\/strong><\/h2>\n\n\n\n
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Wood Structural Panels Explained (APA & Rated Sheathing)<\/strong><\/h2>\n\n\n\n
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Structural Ratings You\u2019ll See on Sheathing Panels<\/strong><\/h2>\n\n\n\n
Span Ratings and Thickness: Why 15\/32 Isn\u2019t Just \u201c1\/2 Inch\u201d<\/strong><\/h2>\n\n\n\n
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![\"\"](\"https:\/\/www.sumecbuildingmaterial.com\/wp-content\/uploads\/3-21.jpg\")
<\/figure>\n<\/div>\n\n\nSheathing Plywood vs Structural Plywood: Side-by-Side Comparison<\/strong><\/h2>\n\n\n\n
Load-Bearing vs Load Distribution: Understanding the Design Intent<\/strong><\/h2>\n\n\n\n
Plywood Sheathing vs OSB Sheathing<\/strong><\/h2>\n\n\n\n
Moisture and Exposure Ratings (Exposure 1 vs Exterior)<\/strong><\/h2>\n\n\n\n
Common Problems With Sheathing Plywood<\/strong><\/h2>\n\n\n\n
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Typical Applications of Structural Sheathing Panels<\/strong><\/h2>\n\n\n\n
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![\"\"](\"https:\/\/www.sumecbuildingmaterial.com\/wp-content\/uploads\/4-12.jpg\")
<\/figure>\n<\/div>\n\n\nCan Structural Plywood Be Used Without Being Sheathing?<\/strong><\/h2>\n\n\n\n
How Building Codes and Inspectors View Sheathing vs Structural Panels<\/strong><\/h2>\n\n\n\n
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How to Choose the Right Panel for Your Project<\/strong><\/h2>\n\n\n\n
FAQs About Sheathing vs Structural Plywood<\/strong><\/h2>\n\n\n\n
Is sheathing the same as plywood?<\/strong><\/h3>\n\n\n\n
Is all plywood sheathing structural?<\/strong><\/h3>\n\n\n\n
Is OSB sheathing considered structural plywood?<\/strong><\/h3>\n\n\n\n
What thickness plywood is used for wall sheathing?<\/strong><\/h3>\n\n\n\n