Plywood panels are created when sheets of veneer are peeled from a log and cross-laminated together with a hot press. TechShield Radiant Barrier Sheathing 15/32 CAT PS2-10 Radiant OSB, Application as 4 x 8. Save my name, email, and website in this browser for the next time I comment. The National Roofing Contractors Association (NRCA) in Rosemont, IL and the Asphalt Roofing Manufacturers Association (ARMA) in Rockville, MD both recommend the use of APA performance rated osb and plywood panels. Undeniably, both materials are excellent in themselves. You can consider this as an advantage, but it can also have some drawbacks. Up until 2000, plywood held the majority of the market for wall, roof, and floor sheathing when it was surpassed by OSB, which as of 2018, held about 75% of the market share. Especially in relation to OSB or Plywood use for Roofs, Walls & Floors. The calculation is based on that the Plywood or OSB (Oriented Strand Board) sheets are of a 4' x 8' size. OSB boasts a more consistent density. Oriented Strand Board. Consider soft sports as the weak spots of wood sheets. In 2001, oriented strand board surpassed plywood in terms of square footage produced. You can use it to tailor your needs, the perfect material for any project! When you cut it open, the insides won’t be water-resistant! Both plywood and OSB will meet the code. Plywood vs. You want a trusted and reliable material. There is often a debate on which is better- plywood or oriented strand board (OSB). They’re typically mixed with adhesive and wax, and hot-pressed to turn them into thin sheets. It can withstand any load, thanks to its design. We’re here to help you find the best material for your job site. Both plywood and OSB are used for sheathing roofs, walls and subfloors. Just make sure you use a primer on top. And the size can get bigger! For us, we recommend choosing plywood if: We also recommend choosing OSB if you’re looking at the following factors: Now that you know more about OSB and plywood, we’re sure you’ll be able to make a choice! Oriented Strand Board (OSB) Oriented Strand Board. Both CDX plywood and OSB tend to come in standard sheets of four-foot by eight-foot (4×8). They work equally well and hold still to wherever you attach them. The most common materials for this are oriented strand board (OSB) or plywood, both formed of layers of wood bonded into a panel. It’s simply “the lesser of two evils,” according to Lipinskiy. Once you have the area you can divide by the area of a sheet of plywood to find the number of sheets needed. Save my name, email, and website in this browser for the next time I comment. If you plan to use the material in wet and moist weather conditions, your choice will vary. Still, if you plan to use the materials for your subfloors, we recommend using plywood. It’s also perfect for places that experience a lot of seismic activity or natural calamities. The square footage of a Hip roof area is identical to the square footage of a Gable roof of the same measurements. Whether it's a roof repair or... Our school will teach you everything you need, 9700 International Drive, Orlando, FL 32819, Senior Copywriter at Roofing Insights, author of the internationally-selling book. OSB is now used for about 70 percent of all floor, wall and roof sheathing in North America. Although oriented stranded board (OSB) has similar uses to plywood, it has a much coarser finish. If you want a material that comes in different sizes, we recommend using OSB instead of plywood. A few other downsides to plywood: It becomes soft and weak when it delaminates. You've come to the... Michigan sees its fair share of awful weather. Plywood is a pretty flexible material. For a decking, or substrate underneath shingles, you can usually use either material. You have a vast range of options, ranging from the smallest up to largest. @lawyer.britt #roofin, Beyond blessed for all the opportunities this coun, Traveling to our biggest event of the year! #roofi, Roshay is ready to lift roofing industry. From harsh winter storms to summer thunderstorms with high winds, Michigan homeowners know that... Just like any other city in the U.S., the good folks of Atlanta have roofing needs. Because of its construction, some manufacturers actually make larger sheets of OSB. Two features stand out between Plywood and an OSB Board. Mike Powers and To Serve Contracting have been scamming salespeople and subcontractors alike for upwards of twelve... You have entered an incorrect email address! If you don’t, then the OSB wood panels will absorb the water and moisture. Lipinskiy says that both plywood and OSB are sufficient, but that he does prefer 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. Both products have benefits and drawbacks; we will go over those, starting with their composition, and explore "which is better?" Some materials don’t work well under chemical exposure. Customers are choosing OSB to be installed as their roof decking because it can lower the cost of their overall roof installation. It’s a leg up than plywood, which comes in limited sizes. They’re great products to use in general! Lets Talk Roofing Sales Commission: OSB, plywood, what should you choose? All Rights Reserved. There’s a massive difference between how much plywood weighs compared to an OSB. You can get up to 16 feet in size, per sheet. Lipinskiy mentions that plywood delaminates, and unfortunately, manufacturers do not issue warranties when the plywood rots on account of the elements. If it is, then OSB should be your choice. Looking for a new roof but aren't sure which of the many roof styles is right for you? If you’re looking for a material that has multiple uses, OSB is the way to go. Shop osb and a variety of building supplies products online at You can consider them equal in terms of this aspect. Required fields are marked *. Oriented strand board (OSB) combines wood chips, glue, and resin into the shape of a sheet of plywood and bakes them together. This is one of the reasons why some people prefer using plywood for their roof or subfloor. Unlike other materials, an OSB has a squarer and smaller dimension. Which between the OSB vs. Plywood have you decided to get? Or are you in the middle of one? Plywood vs. OSB. Unfortunately, an OSB is less resistant to water compared to plywood. They’re significantly cheaper, which is why a lot of people love it! It is true as the price of every OSB board is around $15 – $20 per sheet (4×8 sizes). If the price is your number one consideration, OSB wood panels provide sweet deals. Whereas, the plywood comes in limited sizes. Image Credit: Wikimedia Commons. However, you might find that OSB can better suit your needs than plywood for the roof. 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. Generally, an OSB sheathing or wood panels are water-resistant. However, with OSB, the layers are more cross-oriented. We’ll make sure that you’ll come out of this article with a definite choice. OSB roof panels should always be installed with the grade stamp facing into the attic and the screened surface (with the nail guide lines) facing up. Although plywood is traditionally used to create the roof deck, it’s becoming more popular for contractors to use OSB. The reason is very, very simple: performance over a long period of time. Both OSB and plywood absolutely hate water. Finally, the notable distinction between the two materials is the size. If you’re looking for something lightweight, consider plywood! If you can’t attend Roofing Process Conference, Alyssa from online adjusters shares her insights a, Directorii is finally here.We have decided to a, 5 reasons to Be Thankful in Roofing industry, Roofing Process Conference 2020 Keynote & Breakout Lineup, Roof Types In 2021: Today’s Roofing Styles (Pro’s & Con’s), 7 Best Roofing Companies In Michigan For ReRoofing Your Home, 9 Best Roofers In Atlanta You Can Call Today [Contact Info]. OSB is incredibly more cost-efficient than plywood. The curb appeal of your home is lost because soon your shingles will start to misalign, creating an eyesore on the top of your home. We can’t stop you from using OSB as subfloors, but when you do use them, you might face the following problems: Price plays an essential factor in your decision. Poor long-term exposure to wet or moist weather conditions. For plywood, it is like $5 to $10 more expensive. OSB is a type of wood made up of strands in varying orientations compressed together with adhesive to form a board. Both OSB and plywood absolutely hate water, Lipinskiy mentions, going on to say that the most important part, regardless of which decking option you choose, is that all penetration points on a roof are sealed. Generally, their size is limited to 10 feet at most. Find OSB sheathing osb at Lowe's today. Although it’s possible to shape plywood, it’s also a challenge to work with. But, we can’t help but notice that each of them have their own merits and drawbacks. They may look thicker but doesn’t necessarily mean they’re more durable than plywood. Your email address will not be published. Your email address will not be published. This can be done with a straight piece of lumber (6 feet to … Always Check for a Level Nailing Surface. Do you have an upcoming roof replacement? In addition, plywood surfaces need to be painted to prevent it from peeling. Like particle board and MDF, OSB comes from wood shavings. Not just that, but most an OSB is manufactured in different sizes. It’s considerably weaker and lighter than other materials. Because of this manufacturing process, OSB is at least half the cost of CDX plywood. It’s ready to use! Inspecting Spray-Foam Insulation Applied Under Plywood and OSB Roof Sheathing by Ben Gromicko and Nick Gromicko, CMI® Because most heat loss in a home is through the attic, increasing attic insulation is one of the most cost-effective steps homeowners can take to improve their home's energy efficiency. These are its water-resistant feature and size. So let’s get started by getting to know everything about OSB and plywood. Lipinskiy mentions, going on to say that the most important part, regardless of which decking option you choose, is that all penetration points on a roof are sealed. With edge support and the same snow load, 3/8-inch OSB can be used. Plywood is very cost-effective, thanks to its strength to weight ratio. Both can be used in structural applications for roofs, walls and floors. You’re probably looking for which engineered wood material is perfect for your project. You’ll need to apply these separately to keep the interiors water-resistant. The material is very pliable, which means that it moves with your step! The new plywood will have to be nailed to the rafters or roof trusses. Plywood is the ideal material for places having a wet weather condition. You won’t have to worry about the material expanding anytime soon, like when you use OSB. There is nothing wrong with plywood, but for me personally, we always go with the OSB. You can use an OSB as a subfloor for sheathing, roof decking, and more! 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. Do you. Plywood is made with an odd number of layers for optimal strength and performance. You won’t expect the material to corrode anytime soon. Typical types of wood used for roof sheathing are oriented strand board, known as OSB, and plywood, the most popular being OSB. When you count sub-floors, roofs and wall sheathing, OSB claims about 70% of the wood sheathing market in North America over plywood. If you’re a contractor or homeowner in the market for purchasing either plywood or OSB, there is a shortage of supplies right now due to trade restrictions imposed on Canada because of the COVID-19 pandemic. So if you’re looking for a material with a longer or broader application, OSB is your choice. The Advantages of OSB One sheet = 32 ft². Thankfully, there are OSB materials today that are designed to be moisture-resistant. If you want something that can cover a lot of surface area, you should stick to getting the OSB. 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. They’re a lot easier to use thanks to the pre-printed grid lines. Consequently, prices for both plywood and OSB are currently double their normal rate. We have the best lawyers!!!! The best rated oriented strand board - osb product is the Subfloor Membrane Panel 3/4 in. Earlier types of OSB were known as waferboard, which is now considered a sub-standard version of oriented stand board. It eliminates the problem of moisture absorption! They work equally well for these uses, are just as easy to drill into and have equivalent ability to hold nails. However, ARMA, NRCA and representatives from at least 2 roofing manufacturers, Cellotex and TAMKO, prefer plywood roof decks. It’s the perfect material for your sheathing or flooring! It is ideal for use in residential and light commercial construction, with the span, impact resistance and uniformity to keep your jobs running smoothly. They’re 10% stiffer than OSB sheathing. One of the nice things about plywood is the variety of options you can buy. © 2017 - 2020, Roofing Insights LLC. But, if you cut them up, the exposed material will require some waterproofing. Regardless of where you use it, you won’t have any regrets. Although we did mention that there is an OSB today, which is manufactured to be resistant to wet conditions. Item #193552 Model #31122.031122.0 Should you use CDX (plywood) or OSB (oriented strand board) for roofing plywood? OSB has a greater shear strength than plywood panels; OSB is less expensive than plywood and, when its utilized for sub-flooring, wall and roof sheathing, the savings to builders are significant; Plywood panels. For example, if your roof is 1,500 ft 2 then it will take 47 sheets of plywood to sheath it. This shouldn’t be a cause of concern and is a matter of preference. OSB is now the most-used sheathing and subflooring material for new roofs and roof replacements. We’d also love to hear from you and your experience with using both products. Check out the Roofing Insights Directory! Plywood by itself is water and moisture resistant. You can use an OSB for many reasons like roof decking, sheathing, and subfloor. It is often less expensive than CDX plywood because this manufacturing process doesn’t require the same costly veneers found on the front and back of CDX plywood. Hard to paint, but possible! You won’t have a hard time cutting, marking, or measuring the material! It has multiple uses, and the material is very flexible! OSB is made by combining glue, resin, and wood chips and pressing them into the shape of a plywood sheet then baking everything together. Usually, newer homes already have durable decking systems installed, but if you have an older home, your system is likely comprised of plywood, and may be rotted due to moisture and delamination caused by rain and other forms of inclement weather. As a homeowner, if you find yourself in this position, know that when you install a new decking system, you will have to decide between using plywood or OSB. Despite also being susceptible to water damage, Lipinskiy says that. Notwithstanding that fact, a lot of people still prefer using OSB. You can buy it per sheet, use it for sheathing, and more! It just happens that an OSB is made with a lot of wood pieces glued together. You don’t have to be torn anymore! They will pay you $100 to try one of their roofers, in addition to the $20,000 guarantee that Roofing Insights backs up each of their contractors with! Strand Board is gaining popularity as a material used for roofing. Depending on how old your home is, it may need an entirely new decking system. This is one of the reasons why some people prefer using plywood for their roof or subfloor. Unfortunately, an OSB is less resistant to water compared to plywood. You’ve come to the right place. Whether you are building, remodeling, or just doing some repairs, many times you need a type of sheathing or underlayment for the project. A decking system is what’s underneath your shingles. Numerous choices are available for this purpose, but the two most commonly used products are oriented strand board (OSB) and plywood 1.Both boards are made of wood with glues and resins, come in many sizes, and can be used for a variety of purposes. According to Dmitry Lipinskiy, owner of Roofing Insights, there is a 5% chance that older homes will need a completely new decking system when their roofs are repaired. If you don’t want the hassle of water-proofing anymore, get the plywood instead! OSB doesn’t lose structural identity over long periods of time. There isn’t much difference when we talk about the strength and durability of plywood and oriented strand board OSB. When it gets wet, the sheathing could swell and thicken up because of the moisture. Speaking of OSB, it’s a top choice of homeowners looking for something more affordable than plywood. OSB is currently selling for less than plywood by approximately $3 per sheet, meaning a savings of several hundred dollars per conventional home. Luckily, Plywood isn’t one of them. The best time to make a decision is if you’re informed about your choices. Oriented Strand Board. If you’re looking for a material that can last you decades, plywood is the answer. This basically calculates the number of sheets needed for a Gable roof. It’s a top choice because of its characteristic wherein it expands evenly when exposed to water unlike OSB wherein only the edges expand. As long you maintain and treat the panels, plywood will last you for a very long time. I'm halfway though sheeting the roof of my shipping container shop, and already need to redo some of it. You can get it for up to 16 feet and even more! In this vs. challenge, we’ll put the Oriented Stand Board (OSB) and Plywood against each other. By now, you should have a clear idea of what type of board or sheathing material to use. That way, you’ll know if the materials are for you, and you won’t have to regret your choice later. When it gets wet, the sheathing could swell and thicken up because of the moisture. Luckily OSB doesn’t have this, unlike plywood. However, the time it will take to install or remove screws on OSB and plywood sheets are the same. A 4×8 sheet of plywood is 32 ft 2. You can have an OSB that’s larger than your plywood. Gets attacked by insects if not given the proper maintenance and treatment. At face value, you might think that both materials seem the same. It becomes soft and weak when it delaminates. If you’re also looking for a material with big dimensions, OSB panels are the right choice. Plywood is made out of laminated sheets of veneer. You can trust that plywood will remain durable through time. Thankfully, there are OSB materials today that are designed to be moisture-resistant. Why Roofing Companies don’t pay commissions to salespeople? Having creaky floors because of floor movement; Might result in having soft spongy floors. Look no further! To be fair, OSB is not exactly best friends with water either. The next thing on our list is discussing the common notable features that both plywood and standard board OSB have. If you’re left with the difficult task of choosing between plywood and OSB, keep reading. It’s the perfect material to use in places with chemical works. Talking about plywood or OSB for roofing, you cannot miss the information of the cost. It is generally believed that OSB is cheaper than plywood. Generally, you can use both plywood and OSB for different uses. Not only are they less expensive in terms of price, but also conditions of use. Makes a squeaky sound if you use it for flooring. It’s the perfect material to use for shearwalls, webbed beams, and flooring! This type of wood is typically a cheaper alternative to plywood, but it meets most standards of its alternative. Not all decking is the same. So, dividing the area of the roof by 32 will give you the number of sheets needed. x 2 ft. x 2 ft. It’ll make the panels swell. The biggest you can get it for is 10 inches! Unfortunately, it isn’t the same for plywood. Building codes, the Engineered Wood Association, architects and most builders rate plywood and oriented strand board (OBS sheathing) equal in strength and durability. This makes the material perfect for roofing and other types of use! Don’t let the size of OSB sheathing deceive you. In this OSB vs. Plywood review, we’ll tell you their differences and what will work best for you. OSB win against plywood when it comes to shear strength. However, OSB is generally considered less resistant to water (it swells in thickness when exposed to moisture) and some people prefer plywood for roofs and subfloors. Oriented Strand Board, or OSB, is made from thin wood strands. Let us know what you ended up choosing! When the grade stamp is covered by roofing, the building inspector will not be able to confirm that the correct OSB roofing panel was used. Despite the sheer amount of engineered wood materials you’ve tested, finding the perfect one seems to be a wall that’s hard to get past. Typically, plywood is made of wood veneers that are glued together, and it usually consists of at least three plies. Plywood lost its market leadership long ago.
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