It's less expensive than plywood and available virtually everywhere. Phone: 01295 565565 | Mon-Thu: 8am - 6pm | Fri: 8am - 4pm. OSB is usually more consistent across the board, meaning what you see is what you get. That, however, is where the similarities end. Get free advice and estimates from flooring contractors in your city. For plywood, it is like $5 to $10 more expensive. It may be given a veneer 2 top of hardwood, while the inner layers are typically made of softwood. They work equally well for these uses, are just as easy to drill into and have equivalent ability to hold nails. Oriented Strand Board, or OSB, is made from thin wood strands. There is often a debate on which is better- plywood or oriented strand board (OSB). There is no question that plywood is better then OSB. You can purchase Oriented Strand Board with some great discounts at Roofing Megastore and we'd love to see some of your creations - you can message us any photos of your makes on Facebook. Used for sub floors, exterior walls, and roof decking, OSB sheathing is a structurally-engineered board that is made up of compressed wood strands. In terms of structural installation for roofing or siding, OSB and plywood are very similar in installation. Plywood usually produces pieces of furniture that are dull-looking unless coated with stain or paint. Cost varies greatly by region (and even by zip code).To get free estimates from local contractors, please indicate yours. In 2005, the combined production of OSB in Europe and Latin America was just 3.5 billion square feet – less than seven times as much as was produced in North America that year. The design of the oriented strand boardallows using it the same way as plywood. Is it better than plywood or should it be used for different projects entirely? In this article, we highlight these four different types of wood and discuss the pros and cons of each one. If you are thinking of using it in the garden, although it’s weather resistant, for permanent outdoor use you will probably want to add some further weather protection. Plywood panels are created when sheets of veneer are peeled from a log and cross-laminated together with a hot press. They’re typically mixed with adhesive and wax, and hot-pressed to turn them into thin sheets. While it is possible that OSB will follow suit, it will soon be possible to find plywood without formaldehyde everywhere, while finding OSB without this chemical may be more difficult. Both cost about the same to install, $70 an hour for a carpenter. SubflooringWhen used as a subfloor, either product will work for many flooring surfaces, especially carpet where there will be no noticeable difference. Well, each has their own strengths and weaknesses when used as exposed decking or subflooring. CDX plywood is a construction-grade type of plywood that is designed for exposure to the elements. 7/16 in. Plywood and OSB are generally considered to have the same load strength. Plywood may also be made out of less-quality softwoods for its top layer. Of the two products, OSB is considered the greener option. Plywood absorbs water more quickly, but it also dries more quickly. The natural finish looks perfect married with white and has been used to create desks, tables, sofas and cupboards. OSB board offers the following benefits: 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. Tile floors are especially heavy with layers of cement board, mortar, tile or stone and grout. Newer types of OSB, which have been treated to be waterproof, are likely to last just as long as plywood in similar situations. For that reason, plywood is usually the recommended substrate if a wood substrate is needed. Because the pieces are smaller, the sheets of OSB can be much larger than sheets of plywood. Some panels have a textured surface, which makes them less slippery when used for roof sheathing. OSB is heavier than plywood and, when properly waterproofed and maintained, will generally lie flatter. It can withstand moisture for a brief period of time but may become warped and delaminated with consistent exposure to … There are a few pros and cons for both plywood and OSB but often it falls to personal preference and opinion as to which is best. When used beneath flooring as a substrate, plywood is generally considered the better material. Also, since the entire floor will be built with the same product, some care should be taken in deciding whether its worth it to risk potential moisture in bathrooms and kitchens that could cause OSB sub- flooring to buckle and rise at the joints. 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 best thing about this plywood is that it can be painted with natural color and can be … Plywood can have many different styles and appearances. There’s also a growing number of artists that use OSB as a canvas because of it’s great texture, it gives a unique finish with the layers of wood showing through. For hardwoods, plywood is desirable because it holds nails slightly better than OSB. It is now more popular than plywood, commanding 66% of the structural panel market. A 4x8-foot sheet of construction-grade plywood costs roughly $10 a sheet, while the same size sheet of OSB costs only $6 a sheet. Numerous choices are available for this purpose, but the two most commonly used products are oriented strand board (OSB) and plywood 1. The top layer is usually a hardwood and may be any number of woods such as birch, beech, or maple. OSB is still being produced using formaldehyde, however, while plywood must be produced without this chemical according to new environmental laws by the year 2019. OSB is made by combining glue, resin, and wood chips and pressing them into the shape of a plywood sheet then baking everything together. For that reason, plywood is usually the recommended substrate if a wood substrate is needed. OSB is so strong in fact that it is now used for about 70% of all floor, wall and roof sheathing in North America and there are two different types of OSB, OSB2 and OSB3. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. OSB is made of many smaller pieces of hardwood and softwood mixed together in strands. It is the most commonly used flooring because of its less cost. OSB and plywood vary in terms of durability. The main purpose of OSB plywood s is roof decking. Plywood, however, needs to use large-diameter trees, which are then rotary cut to produce the layers needed. This plywood is generally used beneath the finished material, such as tile or siding. OSB has been around since 1963 and unlike similar products, the strips of wood in each layer are placed strategically rather than randomly to give it strength and it can have up to 50 layers of wood in total! OSB is manufactured by combining wood and resin coating under high heat and pressure. Talking about plywood or OSB for roofing, you cannot miss the information of the cost. Larger-diameter trees like this take much longer to grow and must be harvested from old-growth forests, which makes plywood a less-green option. Oriented strand board was created in the late 1970s as inventors extended the use of waferboard. Cut your OSB into the different pieces that you need for your project, Sand your OSB pieces lightly and then paint or stain it using a weather-proof exterior paint that is either oil or latex based, or a stain for a natural finish, Once dry, paint on a wood waterproofing sealant on all sides and all cuts, Allow to dry for 12 – 14 hours on each side or as specified on the sealant, It’s available in larger sheets than plywood, It’s thicker and heavier which is considered by some as an advantage and some as a disadvantage, It’s considered more environmentally friendly than plywood as smaller, younger trees can be used to produce it making it more sustainable, It will need sealing at any cuts to make sure that it remains water resistant otherwise it can swell and absorb water at cuts, It can take longer to dry out than plywood. OSB does not have the same track record because it has only been marketed for about 30 years. In both instances, the material is sized, set into place against the joists, and nailed down securely. For the best experience on our site, be sure to turn on Javascript in your browser. Installation costs for both would be $490, assuming that the carpenter can install approximately 75 feet of material per hour. While OSB and plywood appear similar and are generally interchangeable, the different ways that each material is manufactured contribute to … Use 5/8 inch C/C PTS grade for your overhangs and 5/8 inch CDX for the rest. Terms & Conditions | Privacy Policy | Disclamer © 2020 Roofing Megastore Ltd, All Rights Reserved. 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. It’s regularly used for flooring because of its strength and it’s ideal for a workshop or shed. Here’s something interesting: Outside of North America, OSB is not commonly used in construction. The adhesive used to bind these layers together is typically made of resin, the specifics which vary from one plywood to another. OSB is a material with favourable mechanical properties that make it particularly suitable for load-bearing applications in construction. The bathroom floor gets wet. There’s a variety of DIY projects that OSB is fantastic for and you can use it for both interior and exterior use as it’s weather resistant (check for a stamp on the back of the board to make sure). When used beneath tile, it can squeak when stepped on at best, and at worst, it may cause the grout 3 or tile itself to crack. Hardwood plywood is already available with soy-based glues and other materials that do not release urea-formaldehyde into the air. Plywood is made of many layers of very thin wood, called plys, pressed together with glue. But each one is not necessarily right for every project. Most construction sites will consider the use of either OSB or plywood for the roof. The material tends to be thicker and needs to be made to more exacting standards, which increases costs. Fire Resistant OSB has an intumescent coating to reduce fire spread. The panels are quick to absorb moisture and dry just as quickly. And if you need any advice feel free to give us a call on 01295 565565, email us at sales@roofingmegastore.co.uk or talk to us on live chat at Roofing Megastore. OSB does not usually have a top veneer 2. Not only does this ma… 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. Understanding the Structure. Both plywood and OSB are used for sheathing roofs, walls and subfloors. x 48 in. The proven track record of plywood often leads some people to believe that it is a more durable and longer-lasting product, but this is not necessarily true. 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