The top layer is usually a hardwood and may be any number of woods such as birch, beech, or maple. OSB is used in housing construction. Plywood is the more traditional and familiar of the two, having been in use for the better part of a century. OSB is made of many smaller pieces of hardwood and softwood mixed together in strands. OSB is a material with favourable mechanical properties that make it particularly suitable for load-bearing applications in construction. Although oriented strand board (OSB) has a commanding 75% market share in sheathing for new home construction compared to plywood’s 25%, it’s a much more competitive race in subflooring. The natural finish looks perfect married with white and has been used to create desks, tables, sofas and cupboards. By using Fixr you agree to our Terms & Conditions and Privacy Policy. Because of this manufacturing process, OSB is at least half the cost of CDX plywood. It can withstand moisture for a brief period of time but may become warped and delaminated with consistent exposure to … Used for sub floors, exterior walls, and roof decking, OSB sheathing is a structurally-engineered board that is made up of compressed wood strands. Therefore, it is generally installed beneath a finish material, such as siding. Oriented Strand Board Exterior Wall Sheathing (OSB) Oriented strand board, or OSB, is a popular and … x 48 in. That, however, is where the similarities end. The wood comes from sustainable, small, quick growing trees such as aspen poplar and southern yellow pine and the result is incredibly strong. OSB does not usually have a top veneer 2. 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. Plywood’s edges also resist damage better than OSB, which can crack and fray upon impact and over time. Only standard plywood material can be used for subflooring. Most people know what plywood is and turn to it for renovation and DIY projects, but what about OSB board – what is this and what can you use it for? Compared to CDX, oriented strand board (OSB) is made very differently. Mega Saving, Mega Service. Most construction sites will consider the use of either OSB or plywood for the roof. Installation costs for both would be $490, assuming that the carpenter can install approximately 75 feet of material per hour. OSB is heavier than plywood and, when properly waterproofed and maintained, will generally lie flatter. Plywood panels are created when sheets of veneer are peeled from a log and cross-laminated together with a hot press. In this article, we highlight these four different types of wood and discuss the pros and cons of each one. The material difference between plywood and OSB is that plywood is made up of lots of thin layers of wood whereas OSB is made up of lots of strands of wood crossed over each other giving it extra strength. It’s regularly used for flooring because of its strength and it’s ideal for a workshop or shed. Both plywood and OSB are used for sheathing roofs, walls and subfloors. Up to 25% Off Today. intervals so you know where underlying studs, rafters and joists are for nailing. For plywood, it is like $5 to $10 more expensive. Plywood is so-called because it is made of thin layers of wood veneer or “plies.” These layers are glued together to achieve the desired thickness. OSB panels often have lines at 16- and 24-in. Use 5/8 inch C/C PTS grade for your overhangs and 5/8 inch CDX for the rest. A few of the commonly-used forms are plywood, MDF (medium-density fiberboard), particleboard and OSB (oriented strand board). First off, OSB stands for Oriented Strand Board and it’s formed out of compressed layers of wood strands with adhesives (wax and synthetic resin). The most common uses are as sheathing in walls, flooring, and roof decking. Plywood long ago lost its market leadership to oriented strand board (OSB), which is now the most-used sheathing and subflooring material. Plywood is the better choice; its structure doesn’t unravel following constant exposure to water. When used structurally, the materials are hidden, and often not disclosed at the time of sale, which means that they have no impact on costs. Terms & Conditions | Privacy Policy | Disclamer © 2020 Roofing Megastore Ltd, All Rights Reserved. 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. Using the right type plywood ensures a long-lasting floor. Plywood is the more expensive option to build with than OSB. 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. OSB flexes more than plywood. For hardwoods, plywood is desirable because it holds nails slightly better than OSB. 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. 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. In terms of structural installation for roofing or siding, OSB and plywood are very similar in installation. CDX plywood is a construction-grade type of plywood that is designed for exposure to the elements. The floor must also handle the weight of the tub, shower, tiles and other fixtures. Plywood may also be made out of less-quality softwoods for its top layer. It is the most commonly used flooring because of its less cost. It is generally believed that OSB is cheaper than plywood. 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. Which is the better option, plywood vs. OSB? In this case, it may have knots or a rough surface. 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. 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. FIXR provides cost guides, comparisons, and term cheatsheets for hundreds of remodeling, installation and repair projects. Estimates put its market share as high as 75%, with much of that dominance thanks to cost-conscious production builders. 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