Plywood and OSB Subfloors The most common types of subfloors you'll find in homes today are made from either plywood or OSB. Specialty panels that can be exposed for long periods of time are probably the best solution for rainy regions of the country. Commodity OSB uses glues and a process that permits the panel to soak up moisture. When I was working for a production builder, I didn’t really have much say in the purchase of materials, so I wasn’t able to change to a different subflooring product. 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. From a structural perspective OSB and plywood sheathing are comparable. Sort By Featured. © Copyright 2020 LBM Journal, All Rights Reserved. The Engineered Wood Association (APA) doesn’t really distinguish between these two materials in most structural applications and building codes generally recognizes the two as the same. OSB wood fibers are heated 2.5 times higher and then subjected to a compression ratio that is 48 times higher than a typical plywood panel. Because the pieces are smaller, the sheets of OSB can be much larger than sheets of plywood. Over the years, however, a negative stigma has developed in association with OSB, as builders have reported the sheathing to swell, lose structural strength and even develop bio … Structural Plywood, establishes requirements for structural plywood. There is often a debate on which is better- plywood or oriented strand board (OSB). Having no callbacks — having a much stronger, squeak-free floor — has made all the difference in being able to build a solid reputation for high-performing homes. We still had frequent callbacks for squeaks. Like particle board and MDF, OSB comes from wood shavings. We recommend our users to update the browser. This resulted in a ton of edge swell. Commodity OSB (left stack) starts out at 3/4-inch thick, but after soaking in water, it swells. This can make a significant difference in the final cost of a large addition or new home. Osb and plywood are equals structurally, but flooring manufacturers make different recommendations regarding their use as a substrate. It was whatever was available from the lumber supplier, and we didn’t think a whole lot about it. OSB Vs. Plywood. For many years, like most builders of that era, we used OSB (oriented strand board) subfloor — typically a 3/4-inch tongue and groove panel. Most subfloor-grade plywood uses similar glues between the laminators. Plywood and OSB Subfloors The most common types of subfloors you'll find in homes today are made from either plywood or OSB. You can also use solid wood, It is possible to use structural … Plywood vs. OSB (Oriented Strand Board): Major Differences A plywood subfloor generally uses 1/2-inch to 3/4-inch-thick sheets of plywood that have one rough side (which faces down) and one smooth side, which faces up. Matt Risinger Compares AdvanTech Subflooring to OSB and Plywood, I was looking for something better, but I thought “OSB? Here are nine common subfloor … and other subflooring options. Floor squeaks are the result of wood movement. While plywood gives you a more consistent panel, it is still prone to wicking moisture. Above, subfloor panels were allowed to stand in a pan of dye-colored water. / Plywood & Sheathing / OSB; 4 products in AdvanTech | OSB . Osb is stronger than plywood in shear. We’re here to help you find the best material for your job site. Sort By Featured. After that, the structure is placed in a hot press then left to cool and dry. While plywood is often 6 feet per sheet, OSB may be much larger, up to 12 feet per sheet. Think about how often panels get dragged on their edges across a truck bed or across the floor deck in the process of installing them. Get our email newsletter with LBM industry trends, data, new products, and best practices. OSB boasts a more consistent density. In this article, we will review the benefits of DRIcore subfloor versus plywood subfloor. OSB is more resistant to moisture absorption but also takes longer to dry out. Shear values, through its thickness, are about 2 times greater than plywood.This is one of the reasons osb is used for webs of wooden I-joists. I’m not going back to that!” It was around that time, maybe 10 years ago, that someone suggested I try, I was soon to learn that there’s a big difference between. But if I had to fix a squeak after the owners have taken possession and are living in the home, that is a nightmare. Being diligent in keeping material dry prior to installation and getting it covered as soon as possible can help mitigate these issues. Get free shipping on qualified OSB Panel/Sheathing/Subflooring Plywood or Buy Online Pick Up in Store today in the Lumber & Composites Department. OSB and plywood vary in terms of durability. I’m not going back to that!” It was around that time, maybe 10 years ago, that someone suggested I try AdvanTech® subflooring. Compare; Find My Store. Plywood and OSB manufacturers try to improve this by sealing the panel edges, but the sealant, whether it is a wax or a paint, tends to get scuffed off. This can make a significant difference in the final cost of a large addition or new home. After that, the structure is placed in a hot press then left to cool and dry. Price is always a consideration when selecting which building material to use. Flooring 23/32 CAT PS2-10 Tongue and Groove OSB Subfloor, Application as 4 x 8. When I started out in construction, I was working for a production builder. It was 1-1/8-inch plywood we should have glued to framing, but we just nailed it. Item #85795 Model #S-16596PC Plywood is generally the best choice for the chemically sensitive. Well, I'm in your camp, but I think we are still getting good plywood out here.I did a kit log home a few years ago that came from PA. and the subfloor T & G plywood that came with the kit was the worst stuff I've ever seen.If all structural plywood is like that in the East, I'd probably go to an OSB … However, nail-holding ability controls performance in shear wall applications. Structural Plywood, establishes requirements for structural plywood. This means that the resin and wax additives "pull the weight" of keeping the material from rotting away. / Plywood & Sheathing / OSB; 4 products in AdvanTech | OSB . As a result, by the late 1990s, the panels had achieved parity in terms of usage, with OSB … PS 2, Performance Standard for Wood-Based Structural-Use Panels, establishes requirements for structural wood-based panels such as oriented strand board (OSB), waferboard and certain types of plywood. The AdvanTech, To discover more about the advantages of the AdvanTech™ Subflooring Assembly, visit, Sales Compensation & Benefits Report 2019, 5 Factors to Consider in an Insurance Carrier and Policy at Insurance Renewal Time, Broaden Your design Ideas with Wide Composite Decking Boards, No Compromises: How Qora Cladding  Offers Your Customers the Best of Both Worlds, Why You Need To Switch To PALIGHT Trimboard, A Roof Assembly Proven to Hold Strong Under Hurricane Conditions. Two things really distinguish how AdvanTech® panels are made that contribute to their high performance over commodity OSB: resin technology and manufacturing precision. 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