The National Tile Contractors Association and the Resilient Floor Covering Institute both recommend plywood for subflooring and underlayment, because it doesn’t have the risk of swollen edges that OSB does. Ideally, I would tear out the existing finish flooring, screw down the existing plank subfloor where loose, repair the plank subfloor where needed and then lay my new flooring (engineered hardwood) right over the existing plank subfloor. I would be inclined to start with 3/4", t&g, Sturd-I-floor rated, plywood. We've got the details on plywood vs OSB and enhanced options in eachIs CDX fine for subfloor - Fine HomebuildingYou could use cdx, a better choice would be T&G plywood,OSB or Advantec.The last three are T&G products,Osb the least expensive, … For hardwood, tongue-and-groove CDX plywood rated AC with a 1/2- to 3/4-inch thickness is ideal; ceramic or porcelain tile does best with 3/4-inch AC plywood; and stone should use 19/32-inch tongue-and-groove plywood. However, plywood subfloors are stiffer than OSB by about 10%. One of the main grading systems when talking about the plywood is the smoothness of its front and back sides. Standard plywood can be used for subfloors, but a better material is 3/4-inch tongue-and-groove plywood subflooring. Post subject: CDX vs. ACX Plywood for Subfloor over Concrete Slab. 3 sheets of bcx plywood (exterior grade) – 4′ x 8′ 15/32” each. Although it's easy to find at your local home center, it's probably not the best choice for smaller projects, like a bookshelf or other furniture around the house. Posted: Thu Aug 04, 2011 6:14 pm . This means that only half of the layers of the plywood are in the right direction for maximum strength, i.e. Clean and fasten existing wood floor to the floor joists; If the floor is completely sound, fasten ½” exterior grade plywood “C” plugged with an extended glue line to the existing floor. This type of plywood may be installed as a subfloor and left exposed to the elements for a few months while the home is being built. We started in the closet s a test. The higher the grade the better quality you should expect. 6 April 2011 at 3:40PM edited 30 November -1 at 12:00AM in In my home (includes DIY) MoneySaving. 11/32 in. Considerations. Model #520360. It typically contains C-grade inner layers and is bonded with exterior glue. Plywood Used to cover existing wood floors. Plywood Subflooring . OSB is cheaper than plywood by about $3 to $5 per panel. “BS1088 is the British Standard specification for marine plywood that applies to plywood produced with untreated tropical hardwood veneers that have a set level of resistance to fungal attack. The Kilz will help protect the subfloor and help seal in any odors that have made it on to the subfloor. One final note, if you're adding plywood subflooring over an existing subfloor, screw the original sub to the joists anywhere it's loose, and screw the new sub to the old sub but NOT to the joists. Compare; Find My Store. If I install the 1/2" plywood over the subfloor, what are the installation requirements? Model #NA. After looking at the warped, bowed stacks of plywood at HD and Lowes, I called around to a few … The space currently has a 23/32 T&G subfloor that is in good shape. Top Choice Blondewood 3/4-in Whitewood Plywood, Application as 4 x 8. The plies are bonded with Weather Boil-Proof (WBP) glue.” Illustration 1 – Shop bought marine plywood. BCX plywood for projects such as shelving, paneling, stairs, exterior wall sheathing, soffits, a base for siding materials, the support structure for cabinets and other built-ins and more. Apply the Kilz sealant to the subfloor. Updated 01/07/20. We carry a wide selection of plywood and sheet-goods, and offer more specialty items at a quick lead time. What the Plywood vs OSB Subflooring - The Pros and Cons of EachProtect your floors from water damage by starting with the right subfloor products. 4 oz of Shellac flakes. Stagger the plywood for strength. All of our plywood comes from environmentally responsible panel mills that abide by U.S. laws and regulations, and are in compliance with APA standards. I just removed the 3/8 particle board underlayment and a layer felt between the subfloor and underlayment in the living room and master where the solid hardwood is going. The plywood sub-floor must be designed for a maximum deflection of L/360 under dynamic loading. BCX comes in a variety of thicknesses. Accepted floor decking for a living space is typically ¾-inch tongue-and-groove subflooring, glued and screwed to the joists. There needs to be two layers of plywood, the top layer being spruce or fir (preferably fir), exterior grade BCX or better. comparing the quality of luan and pecan tree, but rather the finish of surfaces. ACX and CDX are both exterior plywoods and aren’t specifying the type of wood. i asked in another thread about laying hardwood flooring parallel to plank t&g subflooring (although that makes it perpendicular to joists), and was told I need at least an additional 1/2" subfloor. Exterior plywood is not restricted to outdoor use. Chipboard or plywood subfloor? This is prep to install a 7/16 engineered wood floor. Step 4: Apply Kilz to Seal and Protect the Sub-Floor. 6 April 2011 at 3:40PM edited 30 November -1 at 12:00AM in In my home (includes DIY) MoneySaving. 187. for the Shellac. Optional: Marine varnish or; Polyurethane. 1/4 x 4 x 8 BCX Sanded Plywood. From blemish-free and sanded smooth to gaping spaces around knots and cracks, each grade of plywood has different characteristics. So I went to HD and they had the 3 types of plywood. CDX plywood is often used under shingles and roofing felt, on walls (just behind the siding and insulation), and as a sub floor just under the carpet pad or a tiled floor's durock. The Coach demonstrates how to install a 3/8 plywood subfloor in a bathroom. Adding underly for strength for floor install. Don't know where you are in the country, so you may be seeing a plywood rating stamp of "Unifloor" - … BCX plywood has a handsome, well-sanded face and a less-finished back side. Interior Use. The open span of the subfloor material does make a difference especially when considering a tile installation. We take the mystery out of the plywood grading system and show you what you will get in each grade. not sure which to use. Quality … for the plywood and an additional 2 hrs. 3/8" BC sanded pine plywood. I have seen plywood rot away when its sandwiched between two sheets of linoleum. Will I be fine using a 1/4 crown, 1 1/8 Leg staple? 106. Step 5: Install the Plywood Floor. Add Tip Ask Question Comment Download. i want to put a layer of 3/8 bcx over the 5/8 subfloor. If I use Ditra instead of the 1/4" CBU, I'll come out about 3/8" above the adjacent hardwood floors, which I should be able to deal with at the thresholds. Newbie Contributor: Joined: Mon Jan 25, 2010 6:19 pm Posts: 21 We will be floating a 3/4" plywood subfloor over our slab. The other half are parallel with the joists, so provide very little strength. Shop undefined 11/32-in BC Pine Plywood in the Plywood department at Lowe' Item #520360. No glue. Get free shipping on qualified Exterior Plywood or Buy Online Pick Up in Store today in the Lumber & Composites Department. Likely will be divergent point. The layers need to be screwed (spec calls for every 6" along the edges, and 8" in the field-- I go every 6" throughout, ONLY into the bottom layer-- NOT into the joists) BUT NOT GLUED. for pricing and availability. I want to use something a little thicker than 1/4" underlayment so I can screw it down instead of stapling it down (so I can use the tools I already have, and not have to rent or buy a crown stapler and compressor). Plywood also has a slight advantage in stiffness, which means that subflooring panels need not be quite as thick. I plan on stapling the underly. in the corners where the toe-kick wouldn't fit, i used a sawzall to finish the cuts. Lee Wallender. Based on advice received here, I had decided to go with CDX plywood. BCX Plywood. Pin Share Email BanksPhotos/Getty Images . Approximate Duration For This Project: 4½ hrs. 2 ft. x 4 ft. BCX Sanded Plywood Project Panel. It has a 5/8 plywood subfloor. perpendicular to the joists. I am installing 1/2 BCX plywood over 5/8 subfloor. I think I'll also add a layer of 1/2" BCX plywood over the subfloor. Marley surfaces are sold separately with all sprung floor systems. Bottom line is that even cheap, fast grown softwood T&G planks will give you a more solid subfloor than a really expensive plywood. for pricing and availability. Purchase the finished BCX plywood layer locally to complete the install. Facebook; Twitter; Lee has over two decades of hands-on experience remodeling, fixing, and improving homes, and has been providing home improvement advice for over 12 years. Just in time before we moved! Will BCX underlayment be smooth enough for commercial LVT, or do I need to get ACX? The two layers of linoleum trap moisture and will slowly rot the plywood in between. The right type of plywood for your bathroom's subfloor will vary based on the type of floor you are placing over it. Plywood has been a standard subfloor material since the 1950s and remains the preferred subflooring for many builders. The tongue-and-groove edges interlock to resist movement along the panel edges and create an overall stiffer floor. i'm putting down 1/2" BCX plywood underlayment on top, prior to the finish flooring. Written by. If not, the layers will begin to delaminate and the plywood will come apart. I promised an update on the plywood flooring and so here it is! For a typical 2,400 sq. In both cases of subflooring and cement board, leave a 1/16" gap between sheets for building shift/expansion. You probably have 20 years (depending on your climate and how much water seeps in there) before that happens, but something to think about. This won’t imply the actual quality of wood itself, e.g. To save cost consider DIY custom dance floor panels for the entire floating dance floor. Need to install a subfloor? Under these conditions, the plywood should be fine as long as it is soon covered for good. Tips for Laying Tile on Plywood Subfloor. Planned to do a 4" around the edge and 6" in the field staple schedule. Learn about The Spruce's Editorial Process. Item #12249. Plytanium 23/32 Cat Ps1-09 Tongue and Groove Pine Subfloor, Application as 4 x 8. level 2. Please Note: Prices, promotions, styles and availability may vary by store and online. 32 oz (4 cups) Denatured alcohol. The 5/8 subfloor feels a little soft where the seams dont meet with the joists. I would recommend against it if you care about the longevity of your subfloor. Plywood Sheets. Compare; Find My Store. to get rid of the subfloor, i rented a toe-kick saw to cut flush with the sole plate of the exterior walls. 7 replies 11.7K views Chopio Forumite. Inventory is sold and received continuously throughout the day; therefore, the quantity shown may not be available when you get to the store. As a result, OSB floors are more likely to squeak due to floor movement cause hard floor surfaces to crack (such as tile) result in soft, spongy floors Cost of Plywood vs OSB. 19 posts. Lee Wallender.

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