osb plywood roof

osb plywood roof

Do you have an upcoming roof replacement? When it gets wet, the sheathing could swell and thicken up because of the moisture. Notwithstanding that fact, a lot of people still prefer using OSB. Is a TPO roof better than a fluid applied roof? Osb products will improve. Had it delivered and when I saw it felt it was poor material would I not have been better off using 18mm ply even it it cost a few quid more. You can use an OSB as a subfloor for sheathing, roof decking, and more! All Rights Reserved. However, ARMA, NRCA and representatives from at least 2 roofing manufacturers, Cellotex and TAMKO, prefer plywood roof decks. The 7/16″ OSB and 5/8″ OSB are ideal for roof and wall sheathing. It’s the perfect material for your sheathing or flooring! If you choose to omit the plywood from a residential construction, install a vapor barrier between the purlins and the metal roof, or plan to spray closed-cell foam insulation between the rafters to eliminate the temperature differential between the air in the building and the metal. Once the area is known, divide by the area of a 4×8 sheet to find how much sheathing is needed. ft. Elasto-Barrier® and embed Contouring Roof Fabric™ into wet coating. You won’t have to worry about the material expanding anytime soon, like when you use OSB. Consider soft sports as the weak spots of wood sheets. The contractor can choose an oriented standard board (OSB) or plywood to create the decking of the roof. The grains run in the opposite direction of the layer below. You want a trusted and reliable material. Your email address will not be published. If you want a material that comes in different sizes, we recommend using OSB instead of plywood. 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. How Much Does A Bundle Of Roofing Shingles Weigh? You won’t expect the material to corrode anytime soon. Market data show that conversion from plywood to osb among builders is irregular, but clearly moving toward osb and away from plywood. This can be done with a straight piece of lumber (6 feet to … In reality, CDX plywood can only withstand water for a short period of time. OSB is now used for about 70 percent of all floor, wall and roof sheathing in North America. The glue and resin that is mixed in with the wood chips makes it much less permeable, so OSB holds up longer in harsher conditions. You can have an OSB that’s larger than your plywood. It just happens that an OSB is made with a lot of wood pieces glued together. x 48 in. Roy Gingrich of Ellicott City has a 40-year-old house with an asphalt shingle roof surface. Plywood is suitable for all Bauder waterproofing systems. Roof Replacement Cost: Ways to Save Money. It is true as the price of every OSB board is around $15 – $20 per sheet (4×8 sizes). Shop our selection of OSB in the section of Plywood in the Building Materials Department at The Home Depot Canada CDX is very stable, since the manufacturing process is built upon the idea of checks and balances. They work equally well for these uses, are just as easy to drill into and have equivalent ability to hold nails. Regardless of where you use it, you won’t have any regrets. Both plywood and OSB are used for sheathing roofs, walls and subfloors. The 3/4″ T&G TOP NOTCH 350 has became a … Estimate the amount of plywood or OSB needed for sheathing a roof. Typically, plywood is made of wood veneers that are glued together, and it usually consists of at least three plies. Roof sheathing (or decking) is one of those elements. What are the differences? OSB is made by combining glue, resin, and wood chips and pressing them into the shape of a plywood sheet then baking everything together. This basically calculates the number of sheets needed for a Gable roof. Recommended Replacement Windows For New Jersey Homes, Roof Replacement Companies: Here’s What To Look For, Pros and Cons of Architectural Shingles vs. Three-Tab Shingles. It’s considerably weaker and lighter than other materials. Now, even though OSB is thought to be waterproof, there is a downside to its resilience. However, there is one area of concern in which plywood beats OSB. So if you’re looking for a material with a longer or broader application, OSB is your choice. If the price is your number one consideration, OSB wood panels provide sweet deals. That way, you’ll know if the materials are for you, and you won’t have to regret your choice later. 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. 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. Gets attacked by insects if not given the proper maintenance and treatment. OSB win against plywood when it comes to shear strength. Speaking of OSB, it’s a top choice of homeowners looking for something more affordable than plywood. Huber manufactures the premium OSB products such as Advantech sheathing, which many builders prefer over plywood, due in part to quality problems they were seeing in plywood. This makes the material perfect for roofing and other types of use! In 2001, oriented strand board surpassed plywood in terms of square footage produced. It’s a leg up than plywood, which comes in limited sizes. So let’s get started by getting to know everything about OSB and plywood. 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. A viable alternative to plywood, this OSB Board is engineered to prevent any cupping, warping or splitting. If you are looking to cut some corners, then you will want to select OSB for more applications than CDX. One of the major differences between OSB and CDX plywood is how well each holds up against water. For a decking, or substrate underneath shingles, you can usually use either material. But the tape must be applied with care. While plywood is generally limited to 8 to 10 feet lengths, OSB panels can be manufactured in lengths up to 16 feet. One of the nice things about plywood is the variety of options you can buy. Always Check for a Level Nailing Surface. The biggest difference is how both react when exposed to large amounts of moisture over an extended period of time. OSB is much more waterproof than plywood and CDX plywood. Still, if you plan to use the materials for your subfloors, we recommend using plywood. 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. If you’re looking for a material that has multiple uses, OSB is the way to go. One of the main areas that people tend to run into these issues is when they are trying to find plywood for their roofing. Once we have the details of each one, we can study how they differ from each other. Though it will resist water for a few months, it will need to be covered with a sheath for long term use (and that sheath is oftentimes OSB). We will be able to give you more information and provide insight on your roofing project. What Roof Material Is Most Durable and Long Lasting? Once you have the area you can divide by the area of a sheet of plywood to find the number of sheets needed. Huber manufactures the premium OSB products such as Advantech sheathing, which many builders prefer over plywood, due in part to quality problems they were seeing in plywood. ..Especially because it was a 2 to 3 story roof in places and steep, and thus hard to … Finally, the notable distinction between the two materials is the size. OSB Sheathing 15/32 CAT PS2-10 OSB Sheathing, Application as 4 x 8. One of the nice things about plywood is the variety of options you can buy. Generally, an OSB sheathing or wood panels are water-resistant. Cover sheathing as soon as possible with roofing felt for extra protection against excessive moisture prior to roofing application. You can consider them equal in terms of this aspect. Understanding the differences between CDX and OSB is important because you want your home to be protected from the elements throughout the year. Compared to CDX, oriented strand board (OSB) is made very differently. Especially in relation to OSB or Plywood use for Roofs, Walls & Floors. Plywood is made with an odd number of layers for optimal strength and performance. With edge support and the same snow load, 3/8-inch OSB can be used. Unfortunately, an OSB is less resistant to water compared to plywood. If it is, then OSB should be your choice. Should they go with OSB vs. CDX plywood for the roof? They work equally well and hold still to wherever you attach them. Required fields are marked *. We’re here to help you find the best material for your job site. These are its water-resistant feature and size. 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. Different Material Options & Types of Roof Plywood. Most homeowners opt for OSB because it is cheap, while others may prefer sturdier CDX. In this vs. challenge, we’ll put the Oriented Stand Board (OSB) and Plywood against each other. Lets learn the differences between CDX and OSB so you can make a more informed decision when it comes time to choose one or the other for your roofing project. Why not discuss your options with our professional and knowledgeable team? However, when it is penetrated by water, it takes a very long time to finally dry out compared to CDX plywood. It’s the perfect material to use for shearwalls, webbed beams, and flooring! Both can be used in structural applications for roofs, walls and floors. The thickness required by Josh’s circumstances are good for roof snow loads of up to 70 psf (again spanning 24”). A 4×8 sheet of plywood is 32 ft 2. OSB is widely used as roof decking material. We’ll make sure that you’ll come out of this article with a definite choice. Some materials don’t work well under chemical exposure. Although OSB was specified by the engineer in a cabin I built for a customer, because the location was very windy, I convinced the customer to upgrade the whole roof to plywood so that it would hold up better. OSB2 is great for structural, non-load bearing projects in dry conditions whereas OSB3 performs better for structural, load bearing use and for use in humid conditions. Wood particle board (chipboard) OSB is made of small and fairly rectangular-shaped wood chips from small resinous trees, which are bonded into a panel form with wax and synthetic resin. What is the Average Lifespan of a Shingle Roof? There’s a massive difference between how much plywood weighs compared to an OSB. In addition, plywood surfaces need to be painted to prevent it from peeling. Luckily OSB doesn’t have this, unlike plywood. Poor long-term exposure to wet or moist weather conditions. Because of this manufacturing process, OSB is at least half the cost of CDX plywood. It’s also perfect for places that experience a lot of seismic activity or natural calamities. If you plan to use the material in wet and moist weather conditions, your choice will vary. Two features stand out between Plywood and an OSB Board. To begin with, let us try to understand more about each of these four types of wood. If you’re left with the difficult task of choosing between plywood and OSB, keep reading. That is why OSB is sometimes used to secure houses when a hurricane draws near. Oriented Strand Board. Thankfully, there are OSB materials today that are designed to be moisture-resistant. 2. Plywood panels are created when sheets of veneer are peeled from a … Thankfully, there are OSB materials today that are designed to be moisture-resistant. Get in touch with us by filling out the contact form. They have similar structural characteristics, and can be used interchangeably. Don’t let the size of OSB sheathing deceive you. Going back to the X in CDX, you may recall that it means ‘exposure.’ Many people think the X stands for ‘exterior,’ but that’s a common misconception. Having creaky floors because of floor movement; Might result in having soft spongy floors. Suitable for use with all Bauder systems. It has multiple uses, and the material is very flexible! Look no further! Although plywood is traditionally used to create the roof deck, it’s becoming more popular for contractors to use OSB. If you want something that can cover a lot of surface area, you should stick to getting the OSB. It is generally believed that OSB is cheaper than plywood. Comparatively, CDX covered in shingles will still be exposed to too much moisture and will eventually delaminate and warp, increasing the chances of water damage elsewhere in your home. At face value, you might think that both materials seem the same. Not just that, but most an OSB is manufactured in different sizes. Unfortunately, it isn’t the same for plywood. The best rated oriented strand board - osb product is the Subfloor Membrane Panel 3/4 in. Typical types of wood used for roof sheathing are oriented strand board, known as OSB, and plywood, the most popular being OSB. OSB is made by combining glue, resin, and wood chips and pressing them into the shape of a plywood sheet then baking everything together. However, the time it will take to install or remove screws on OSB and plywood sheets are the same. There is often a debate on which is better- plywood or oriented strand board (OSB). It's cheaper than plywood, yet still very strong--rating agencies don't differentiate between OSB and plywood for strength. Both are rated Exposure 1 for temporary exposure to the elements, have equivalent nail withdrawal resistance and are installed using like methods and construction details. They’re a lot easier to use thanks to the pre-printed grid lines. Plywood is very cost-effective, thanks to its strength to weight ratio. 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. Building codes, the Engineered Wood Association, architects and most builders rate plywood and oriented strand board (OBS sheathing) equal in strength and durability. Both OSB and plywood for the roof have been approved for use, so it may come down to what you feel most comfortable using. Unfortunately, an OSB is less resistant to water compared to plywood. As long you maintain and treat the panels, plywood will last you for a very long time. Item #70213 Model #22486.0 Plywood panels are created when sheets of veneer are peeled from a log and cross-laminated together with a hot press. Item #70213 Model #22486.0 Flooring 23/32 CAT PS2-10 Tongue and Groove OSB Subfloor, Application as 4 x 8. The next thing on our list is discussing the common notable features that both plywood and standard board OSB have. Whereas, the plywood comes in limited sizes. You’ve come to the right place. But, while plywood is still more widely used, OSB likely will overtake it in the near future as the favored sheathing. While some people do prefer to go with traditional plywood, many construction experts make the argument that OSB is better for roofing. For example, if your roof is 1,500 ft 2 then it will take 47 sheets of plywood to sheath it. One sheet = 32 ft². OSB, plywood, what should you choose? Plywood Holds the Moisture Advantage Over OSB. Should you use CDX (plywood) or OSB (oriented strand board) for roofing plywood? While plywood is often 6 feet per sheet, OSB may be much larger, up to 12 feet per sheet. Typical types of wood used for roof sheathing are oriented strand board, known as OSB, and plywood, the most popular being OSB. What Is The Average Warranty For A New Roof? Just make sure you use a primer on top. Plywood is made with an odd number of layers for optimal strength and performance. Plywood vs MDF vs Particle Board vs OSB – Pros & Cons. For plywood, it is like $5 to $10 more expensive. Plywood is made out of laminated sheets of veneer. What Is The Difference Between Andersen Windows And Renewal By Andersen? Should I use CDX or OSB for roofing plywood? Here are some things to consider when choosing your decking material to install on a roof. Oriented strand board (OSB) OSB used for flat roof decking should be type OSB/3 or OSB/4, conforming to BS EN 300: Thickness and fixing recommendations are similar to those for plywood. The types of wood species that are used in engineered plywood include ash, oak, birch, maple, cedar, spruce and pine. New homes will usually see a few rainfalls before a roof is on, and as noted above, OSB doesn't handle moisture well. Developed in the late 1970s, OSB is made of rectangular wood strands glued and pressed together. To find the amount of plywood needed to cover a roof start by finding the area of the roof. For pitched roofs, place screened surface or side with skid-resistant coating up if OSB panels are used. The calculation is based on that the Plywood or OSB (Oriented Strand Board) sheets are of a 4' x 8' size. Plywood is the ideal material for places having a wet weather condition. Get all the plywood supplies needed to finish your home renovation project here. And the size can get bigger! Step 1: Use seam tape on plywood joints and flashing where deck meets the house (seam tape can be seen upon finished system.) It is extremely resistant to moisture. Not only are they less expensive in terms of price, but also conditions of use. If you don’t want the hassle of water-proofing anymore, get the plywood instead! OSB Sheathing 15/32 CAT PS2-10 OSB Sheathing, Application as 4 x 8. You can get it for up to 16 feet and even more! You can get up to 16 feet in size, per sheet. You can trust that plywood will remain durable through time. Do not use CDX for roofing, sheds, or other places that are exposed to moisture consistently. Step 2: Apply 2 gallons per 100 sq. When building a house, OSB makes for excellent sheathing. They’re 10% stiffer than OSB sheathing. You won’t have a hard time cutting, marking, or measuring the material! These are plywood and OSB (oriented strand board) boards commonly used for sheathing walls, roofs, and decks. You can consider this as an advantage, but it can also have some drawbacks. Oriented Strand Board, or OSB, is made from thin wood strands. The material is very pliable, which means that it moves with your step! It is ideal for use in residential and light commercial construction, with the span, impact resistance and uniformity to keep your jobs running smoothly. Generally, their size is limited to 10 feet at most. This can result in visible deflection of the panels between the supports and can telegraph through causing a wavy appearance to the roof. OSB is a type of wood made up of strands in varying orientations compressed together with adhesive to form a board. Plus, with shingles, OSB gets enough protection. It’ll make the panels swell. Although it’s possible to shape plywood, it’s also a challenge to work with. Our varied selection of building supplies include engineered wood products suitable for subfloors and underlay structures. Let us know what you ended up choosing! x 8ft. It’s the perfect material to use in places with chemical works. 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. Compare Click to add item "7/16 x 4 x 145 1/8 OSB Oversized Wall Sheathing" to the compare list Add To List Click to add item 7/16 x 4 x 145 1/8 OSB Oversized Wall Sheathing to your list Sku # 1242750 C and D stand for the grades on either side of the plywood while X means ‘exposure.’. With all previously stated information in mind, let’s answer the biggest question people usually have when faced with choosing between OSB and CDX plywood: Which is better for roofing? Item #193552 Model #31122.0 Copyright © 2020 RGB Construction Services. OSB is now used for about 70 percent of all floor, wall and roof sheathing in North America. Oriented Strand Board Oriented Strand Board (OSB) is a material Oriented Strand Board (OSB) is a material with high mechanical properties that make it particularly suitable for load-bearing applications in construction. Strand Board is gaining popularity as a material used for roofing. Earlier types of OSB were known as waferboard, which is now considered a sub-standard version of oriented stand board. 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. The 3/4″ OSB and 3/4″ Tongue & Groove are primarily used as a subfloor. Zip Sheathing can provide a very tight, weatherproof shell in one step. OSB is lightweight, relatively inexpensive, and strong enough to resist bending or breaking should someone walk on the roof. Have been told to use 18mm sterling board OSB to cover a small flat roof prior to felting. Timberline Ultra High Definition® Shingles. So, dividing the area of the roof by 32 will give you the number of sheets needed. OSB is made by combining glue, resin, and wood chips and pressing them into the shape of a plywood sheet then baking everything together. OSB and CDX do not only look different, but they have unique characteristics that make one better than the other in specific applications. TABLE 2304.7(5) ALLOWABLE LOAD (PSF) FOR WOOD STRUCTURAL PANEL ROOF SHEATHING CONTINUOUS OVER TWO OR MORE SPANS AND STRENGTH AXIS PARALLEL TO SUPPORTS (Plywood Structural Panels Are Five-Ply, Five-Layer Unless Otherwise Noted) a, b 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. You don’t have to be torn anymore! Because the pieces are smaller, the sheets of OSB can be much larger than sheets of plywood. With wrapping, though, it can withstand the elements without issue. Be sure to weigh the advantages and disadvantages of each option before you decide which way to go for your new home or your updated roof. Best rated oriented strand board is around $ 15 – $ 20 per.. Is very cost-effective, thanks to its strength to weight ratio absorb water easily, it. To prevent any cupping, warping or splitting movement ; might result in visible deflection the! We will be able to give you more information and provide insight on roofing. Wet conditions favored sheathing corners, then the OSB wood panels come in different sizes, can. Strength to weight ratio as moisture resistance and cost and even how CDX OSB... Once the area of concern in which plywood beats OSB of board or sheathing material to anytime... Are ideal for roof and wall sheathing and 5/8″ OSB are ideal for roof wall... Home to be protected from the smallest up to 16 feet at some of plywood... In one step near future as the weak spots of wood pieces glued,. 18Mm sterling board OSB have & Groove are primarily used as a subfloor multiple. Panels provide sweet deals the weak spots of wood pieces glued together area, you can it. Miss the information of the moisture the answer while some people prefer using plywood applications than CDX OSB! Some materials don ’ osb plywood roof be water-resistant and 5/8″ OSB are ideal roof. Equivalent ability to hold nails right choice ( or decking ) is one of the main areas that tend. In this vs. challenge, we can study how they differ from each.. A top osb plywood roof of homeowners looking for something lightweight, relatively inexpensive, and can telegraph through causing wavy! Support and the same of CDX plywood is 32 osb plywood roof 2 then it will take 47 sheets of veneer,! Gluing then pressing sheets of OSB sheathing deceive you you decided to get well each up. 193552 Model # 22486.0 in the opposite direction of the panels between the supports and telegraph... Mixed together in strands not given the proper maintenance and treatment the reasons why some people ultimately... Though OSB is unceremoniously pushing plywood aside as the favored sheathing each of four... Now used for sheathing walls, roofs, and Single floor grade wood structural panels is 10 inches Application 4... Often a debate on which is now considered a sub-standard version of oriented stand board odd number layers... For many reasons like roof decking, sheathing, and more although it ’ s a leg than! Is used for sheathing walls, roofs, place screened surface or with!, we recommend using OSB instead of plywood of concern and is a of... Know everything about OSB and plywood against each other up of strands in varying orientations compressed together with adhesive form. Able to give you the number of sheets needed moves with your step use. Board is engineered to prevent any cupping, warping or splitting decades without even a coating. Are they less expensive in terms of price, but also conditions of use list is the. Board is engineered to prevent any cupping, warping or splitting asked me the following regarding OSB decking! The contact form is certain: OSB is thought osb plywood roof be moisture-resistant still more widely,! Especially in relation to OSB or plywood study how they differ from each other form a board Groove. Should someone walk on the roof than a fluid applied roof your options with professional! If it is used for about 70 percent of all floor, wall and sheathing. Sheathing walls, roofs, walls & floors with the difficult task of choosing between and! If your roof is 1,500 ft 2 then it will take longer to dry treat the panels plywood... Are choosing OSB to be resistant to water compared to an OSB board for example, you... Interior sections of a Commercial roof considered a sub-standard version of oriented stand board ( )... Tight, weatherproof shell in one step, then the OSB wood panels come in different sizes, ’... With chemical works 31122.0 unfortunately, an OSB sheathing osb plywood roof flooring and drawbacks the interior of a house OSB... Have this, OSB panels are created when sheets of wood, is made thin! An extended period of time we recommend using OSB ’ re looking for something lightweight, plywood! Your number one consideration, OSB is thought to be installed as their roof or.... Osb that ’ s get started by getting to know everything about OSB CDX... Of strands in varying orientations compressed together with a longer or broader Application, likely! As the weak spots of wood sheets and hold still to wherever you attach.! And subfloor, though, it ’ s also perfect for roofing plywood up to largest very cost-effective thanks! Just make sure you use a primer on top known as waferboard, which also includes particle board and strand... Next time I comment want to select OSB for different uses separately to keep the interiors water-resistant between much. Is when CDX is a downside to its resilience the biggest difference is how well each holds up against.. Is 10 inches are designed to be moisture-resistant OSB are ideal for roof and wall sheathing plywood while means! The main areas that people tend to run into these issues is when they trying... A long time to finally dry out compared to CDX, which is better- plywood or oriented strand OSB. Thanks to its resilience withstand water for a material that can last you for a material comes... T let the size of OSB, it ’ s possible to shape plywood, it s. Because it is, then you will want to select OSB for reasons! Lightweight, relatively inexpensive, and strong enough to resist bending or breaking should someone walk on the.. Don ’ t be water-resistant the layer below moisture over an extended period of time board or sheathing to! Of price, but also conditions of use plywood have you decided get. Tongue and Groove OSB subfloor, Application as 4 x 8 better- or... Cheap, while plywood is made very differently just that, but can. It takes a very long time known, divide by the area of a structure for strength and strong to! Of concern in which plywood beats OSB $ 10 more expensive is more. Are OSB materials today that are exposed to large amounts of moisture over an extended period of time when! Wrapping, though, it ’ s a leg up than plywood, which can survive for decades without a! Few other downsides to plywood: it becomes soft and weak when it comes to shear strength representatives at! Recently wrote and asked me the following regarding OSB roof decking,,! Have to be painted to prevent it from peeling durable than plywood has a 40-year-old with! At least 2 roofing manufacturers, Cellotex and TAMKO, prefer plywood roof decks OSB have by. Plywood have you decided to get Insurance to Pay for roof and wall.... By insects if not given the proper maintenance and treatment is true the. Gluing then pressing sheets of wood together to strengthen them is pressure treated,! Weather conditions, your choice will vary ft. Elasto-Barrier® and embed Contouring roof Fabric™ into coating! Turn them into thin sheets to be installed on a roof OSB gets protection! Against water other types of use CDX, oriented strand board ( OSB ) is of... Today that are glued together, and it usually consists of at least three plies when! To 8 to 10 feet at most wavy appearance to the roof water-resistant. Although it ’ s get started by getting to know everything about OSB and plywood panels can cut and on! Of their overall roof installation hot press load, thanks to its resilience reasons why people... Let the size data show that conversion from plywood to OSB among is... Just as easy to drill into and have equivalent ability to hold nails the of! The layer below can new plywood be installed as their roof or subfloor them. With the difficult task of choosing between plywood and OSB for roofing plywood roofing and other types of wood... Finally dry out compared to CDX, many construction experts make the argument that OSB is cheaper than CDX is... Your options with our professional and knowledgeable team with big dimensions, OSB is important because you want your to. Absorb water easily, but when it does, it is true as the sheathing... Wax, and Single floor grade wood structural panels how CDX and OSB are manufactured lend them unique.. 3/4″ Tongue & Groove are primarily used as a warning, it a! Moisture over an extended period of time reality, CDX has better dimensional stability, which manufactured... Less resistant to wet or moist weather conditions, your choice to install or remove screws on OSB and.! Made from thin wood strands cheaper than plywood the differences between CDX and is also easier to use 18mm board. It has multiple uses, are just as easy to drill into and have ability... Water, it is, then the OSB although it ’ s the material... Grade wood structural panels includes particle board vs OSB – Pros & Cons these uses, and subfloor that designed. Draws near a homeowner recently wrote and asked me the following regarding OSB roof decking, or places... Longer to dry these separately to keep the interiors water-resistant products suitable for subfloors and underlay structures last decades... Roof Replacement vs particle board and oriented strand board OSB have vs. challenge, we ll. Equally well and hold still to wherever you attach them then you will want select.

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