OSB has untreated edges that are somewhat more susceptible to swelling if they get wet. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. The sheets are generally 4 x 8 or 4 x 12 feet in size. If there is a tongue and a groove, then it's T&G material. If you have ever lived with a non-tongue/grove plywood (or chipboard) subfloor, the answer will be obvious: it is to prevent squeaking, creaking, and grinding from people walking over it. Tongue-and-groove edges on many premium floor panels, such as Weyerhaeuser’s Edge Gold ® OSB panels, are designed to … Can You Add Padding Under a Hardwood Floor? Is 3/4" AC Plywood on 16" joists suitable for subfloor? okaply plywood… Tongue groove wood flooring - oops, I cut them both off. Is it worth getting a mortgage with early repayment or an offset mortgage? There’s no better way to protect your sub-floor, reduce time-consuming sanding and minimize callbacks. The subfloor consists of sheet materials that are nailed or screwed to the joists to form the base for the underlayment and surface flooring material. Plus, tongue and groove will help force a more level floor. While the name may be unfamiliar, you probably recognize this material. If the current subfloor has tongue-and-groove hardwood planks, check to see if it is attached directly to the joists or if it’s on top of another subfloor. Thicknesses for products used for subfloors are generally 23/32 inch (just under 3/4 inch), but thicker sheets are available where building codes call for them. There is no maintenance required, except to keep the subfloor as dry as possible. OSB costs $3 to $5 less per panel when compared to plywood, so the cost savings when building an entire house is significant. Planks for subflooring must be run at a 45 degree angle to minimize the effects of cupping of the subfloor planks when tongue and groove finish flooring is used. … In this article, we will review the benefits of DRIcore subfloor versus plywood subfloor. Sort By Featured. plywood to establish a flat surface and separate the two hardwood surfaces to avoid the expansion and contraction differences between the two hardwoods. OSB comes in the same sizes as plywood subfloor sheets. The sheets are laid out over the floor joists and butted up against one another with the long seams centered over joists. However, if large spills or flooding occur, the subfloor should be exposed and the space ventilated as quickly as possible, in order to dry out the subfloor. Is there a way to notate the repeat of a larger section that itself has repeats in it? In the 1950s, this material quickly replaced solid wood planking as a subfloor material in homes. Must I screed/level floor that has a slight apex @ centerline? You wedge it together till the gap totally closes. How easy it is to actually track another person credit card? Oriented strand board has many flat wood chips glued up together in a solid sheet. Since it has no tongue and groove it has to be cut so the joints will fall in the middle of the joists and when this is not possible additional noggins will have to be fitted under the joint. If nails are used they will eventually back out and the squeaks will annoy. Like plywood, OSB subfloors should last as long as the house itself. Rarely, a prospective homeowner may recognize that OSB is the cheaper subfloor material. Do PhD students sometimes abandon their original research idea? Waferboard Vs. Plywood. Tongue-and-groove plywood is superior to regular plywood for floor decks because it creates a stronger, more rigid subfloor, and helps eliminate sagging and "bounce" at the seams between the joists. The recommended material for plywood subflooring is tongue and groove plywood subflooring of 3/4 inch. Compare Click to add item "3/4 x 4 x 8 Sturd-I-Floor Tongue & Groove Plywood Subfloor" to the compare list. Serious spills and flooding should be remedied as soon as possible. However, very few people are able to recognize this. The most common types of subfloors you'll find in homes today are made from either plywood or OSB. A well-installed subfloor should last as long as the house itself, but OSB is slightly more flexible than plywood, so it is not the best choice under heavy flooring like ceramic or stone tile. Because OSB has slightly less holding power for screws and nails, some builders like to space fasteners closer than they do with 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. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. I'm just curious - in reading more about subflooring I see that a lot of sources are saying to use plywood with tongue and groove. There is usually no appreciable difference in the performance characteristics of plywood or OSB subfloors. OSB (oriented strand board) is a different form of sheet material. Leaks have no bearing on why they are used. How do I place the Clock arrows inside this clock face? Is it normal for subfloor to extend under walls? Since the subfloor is entirely hidden, neither material is visible, except from the unfinished space beneath the floor. Levelling? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Sub-floor strength and long term dimensional stability It reduces movement and helps avoid uneven points in the sub-flooring where two pieces come together. I accidentally used "touch .." , is there a way to safely delete this document? As a hidden building material, there is no routine care and cleaning for either plywood or OSB underlayment. Item #12182. We used a conventional construction adhesive and nailed off the floor, as that was the fastest method. Paying careful attention to the moisture content of the subfloor prior to installation is critical. Tongue and groove with adhesive applied to floor joists will not prevent squeaking floors! As far as the grove tongue and grove, you are to leave a 8th inch gap between the sheets, this is done with a 8d nail. Compare; Find My Store. Both plywood and OSB will burn should a house fire break out. When it comes to the basement subfloor, you have a variety of options to choose from. Home / Products / Building Supplies / Plywood and OSB / Plywood / 5/8x4x8 - Plywood Fir Select - Tongue and Groove . Will grooves on seatpost cause rusting inside frame? What do I do to get my nine-year old boy off books with pictures and onto books with text content? In this episode of "what can go wrong today", we tune in to an aggravated fat guy trying very hard to make a silk purse from a sows ear. Waferboard and plywood are two manufactured building materials that have similar applications, but differ in makeup. 48 Performance Category 5/8 Plywood Features Pressure Treated, Tongue & Groove Pressure Treated Wood Yes Tint Other Wood Species Other Warranty / Certifications. Tongue and groove products offer extra stability at joints. The sheets are anchored to the joists with nails or screws driven 6 inches apart, and they are secured to joists across the "field" of each sheet with screws or nails driven every 8 inches. It seems modern building has gone to 23/32" tongue and groove plywood or OSB Can you help clarify? The recommended thickness of the plywood subfloor is governed by the spacing of the joists. A 4 x 8-foot sheet of 3/4-inch-thick subfloor-grade plywood sells for about $21.50 at home improvement centers. Does it protect against leaks? When hardwood flooring is the choice, some of the previously discussed moisture issues can come into play with OSB. Of the two most common subfloor materials, builders often debate which is best: plywood or OSB. If it was not tongue and groove, you could possibly step hard enough around a seam in the plywood and see the seams separate a bit. We have already talked about the tongue and groove method in the upper section. What may be a surprise, though, is that a tongue-and-groove subfloor, the typical base in old-house floors, and even common construction plywood or chipboard is neither smooth enough nor solid enough to be a good foundation on its own. Standard plywood can be used for subfloors, but it is more common to use tongue-and-groove sheets that interlock along the edges. Some experts suggest that 15/32-inch plywood should be standard if the underlying floor joists are spaced 16 inches apart or less, but slightly thicker 3/4-inch plywood should be used for joists spaced further apart. Tongue and groove gives added support at the seems and makes for a more solid floor. We will also review other flooring options as well, such as OSB subfloor and tongue and groove subfloor for your basement. To learn more, see our tips on writing great answers. Plywood and Panel Products; Tongue & Groove Subfloor Panels; 1-1/8 x 4 x 8 Sturd-I-Floor Tongue & Groove OSB Subfloor (Actual Size 1.069" x 47-1/2" x 95-7/8") Model Number: 1242922 Menards ® SKU: 1242922. The terms underlayment and subfloor are often used interchangeably, but they are actually separate layers. We've got the details on plywood vs OSB and enhanced options in each. In fact, the coating on this tried and tested sub-floor helps reduce water absorption by up to 40%. Thanks for contributing an answer to Home Improvement Stack Exchange! What is the benefit of tongue and groove plywood as opposed to plywood (of the same thickness) with flat edges? Our lifetime limited warranty says it all. Sturd-i-floor combines the strength of subfloor and underlayment into a single plywood panel This plywood is manufactured with 5 layers of veneer in alternating directions, which increases strength and stiffness to minimizes floor bounce West Fraser warrant their certified plywood against manufacturing defects. The type of OSB used for subfloors generally is made with tongue-and-groove edges (T & G). Tongue and groove gives added support at the seems and makes for a more solid floor. Plywood continuous over two or more spans and face grain perpendicular to supports.Unsupported edges shall be tongue-and-groove or blocked except where nominal 1 / 4-inch-thick wood panel-type underlayment, fiber-cement underlayment or 3 / 4-inch wood finish floor is used.Fiber-cement underlayment shall comply with ASTM C1288 or ISO 8336 Category C. Allowable uniform live load at … On top of this will go tile underlayment and then tile. Plytanium® plywood has more than 50 years of proven performance in construction applications, and Plytanium Sturd-I-Floor panels hold nails firmly and help minimize nail pops that can lead to squeaky floors.