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. 4 oz of Shellac flakes. BCX comes in a variety of thicknesses. Under these conditions, the plywood should be fine as long as it is soon covered for good. 187. Chipboard or plywood subfloor? Model #520360. The plies are bonded with Weather Boil-Proof (WBP) glue.” Illustration 1 – Shop bought marine plywood. perpendicular to the joists. For a typical 2,400 sq. i want to put a layer of 3/8 bcx over the 5/8 subfloor. Newbie Contributor: Joined: Mon Jan 25, 2010 6:19 pm Posts: 21 We will be floating a 3/4" plywood subfloor over our slab. Lee Wallender. OSB is cheaper than plywood by about $3 to $5 per panel. Interior Use. If I install the 1/2" plywood over the subfloor, what are the installation requirements? Standard plywood can be used for subfloors, but a better material is 3/4-inch tongue-and-groove plywood subflooring. 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. This won’t imply the actual quality of wood itself, e.g. The 5/8 subfloor feels a little soft where the seams dont meet with the joists. 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. To save cost consider DIY custom dance floor panels for the entire floating dance floor. i'm putting down 1/2" BCX plywood underlayment on top, prior to the finish flooring. The tongue-and-groove edges interlock to resist movement along the panel edges and create an overall stiffer floor. The Coach demonstrates how to install a 3/8 plywood subfloor in a bathroom. 19 posts. Inventory is sold and received continuously throughout the day; therefore, the quantity shown may not be available when you get to the store. I am installing 1/2 BCX plywood over 5/8 subfloor. One of the main grading systems when talking about the plywood is the smoothness of its front and back sides. Learn about The Spruce's Editorial Process. The other half are parallel with the joists, so provide very little strength. Based on advice received here, I had decided to go with CDX plywood. We carry a wide selection of plywood and sheet-goods, and offer more specialty items at a quick lead time. This means that only half of the layers of the plywood are in the right direction for maximum strength, i.e. 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. not sure which to use. for pricing and availability. 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. The Kilz will help protect the subfloor and help seal in any odors that have made it on to the subfloor. 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. Marley surfaces are sold separately with all sprung floor systems. Model #NA. Quality … 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. 32 oz (4 cups) Denatured alcohol. Considerations. 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. Shop undefined 11/32-in BC Pine Plywood in the Plywood department at Lowe's.com. The plywood sub-floor must be designed for a maximum deflection of L/360 under dynamic loading. It has a 5/8 plywood subfloor. We take the mystery out of the plywood grading system and show you what you will get in each grade. 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. for the Shellac. You probably have 20 years (depending on your climate and how much water seeps in there) before that happens, but something to think about. Top Choice Blondewood 3/4-in Whitewood Plywood, Application as 4 x 8. Plytanium 23/32 Cat Ps1-09 Tongue and Groove Pine Subfloor, Application as 4 x 8. This is prep to install a 7/16 engineered wood floor. Approximate Duration For This Project: 4½ hrs. Pin Share Email BanksPhotos/Getty Images . Compare; Find My Store. Planned to do a 4" around the edge and 6" in the field staple schedule. Plywood Subflooring . However, plywood subfloors are stiffer than OSB by about 10%. Purchase the finished BCX plywood layer locally to complete the install. in the corners where the toe-kick wouldn't fit, i used a sawzall to finish the cuts. In both cases of subflooring and cement board, leave a 1/16" gap between sheets for building shift/expansion. Optional: Marine varnish or; Polyurethane. 106. 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). BCX Plywood. to get rid of the subfloor, i rented a toe-kick saw to cut flush with the sole plate of the exterior walls. Please Note: Prices, promotions, styles and availability may vary by store and online. Bottom line is that even cheap, fast grown softwood T&G planks will give you a more solid subfloor than a really expensive plywood. What the Plywood vs OSB Subflooring - The Pros and Cons of EachProtect your floors from water damage by starting with the right subfloor products. Plywood Used to cover existing wood floors. I would be inclined to start with 3/4", t&g, Sturd-I-floor rated, plywood. for the plywood and an additional 2 hrs. Don't know where you are in the country, so you may be seeing a plywood rating stamp of "Unifloor" - … 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. comparing the quality of luan and pecan tree, but rather the finish of surfaces. 6 April 2011 at 3:40PM edited 30 November -1 at 12:00AM in In my home (includes DIY) MoneySaving. It typically contains C-grade inner layers and is bonded with exterior glue. Written by. 1/4 x 4 x 8 BCX Sanded Plywood. The open span of the subfloor material does make a difference especially when considering a tile installation. Updated 01/07/20. Posted: Thu Aug 04, 2011 6:14 pm . level 2. 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. If not, the layers will begin to delaminate and the plywood will come apart. After looking at the warped, bowed stacks of plywood at HD and Lowes, I called around to a few … Just in time before we moved! Get free shipping on qualified Exterior Plywood or Buy Online Pick Up in Store today in the Lumber & Composites Department. Compare; Find My Store. I think I'll also add a layer of 1/2" BCX plywood over the subfloor. 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. Step 5: Install the Plywood Floor. The space currently has a 23/32 T&G subfloor that is in good shape. 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. Plywood has been a standard subfloor material since the 1950s and remains the preferred subflooring for many builders. Accepted floor decking for a living space is typically ¾-inch tongue-and-groove subflooring, glued and screwed to the joists. Lee Wallender. 2 ft. x 4 ft. BCX Sanded Plywood Project Panel. 3 sheets of bcx plywood (exterior grade) – 4′ x 8′ 15/32” each. There needs to be two layers of plywood, the top layer being spruce or fir (preferably fir), exterior grade BCX or better. I plan on stapling the underly. ACX and CDX are both exterior plywoods and aren’t specifying the type of wood. Step 4: Apply Kilz to Seal and Protect the Sub-Floor. “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. BCX plywood has a handsome, well-sanded face and a less-finished back side. Likely will be divergent point. 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. Exterior plywood is not restricted to outdoor use. Plywood also has a slight advantage in stiffness, which means that subflooring panels need not be quite as thick. 11/32 in. Adding underly for strength for floor install. Tips for Laying Tile on Plywood Subfloor. No glue. The right type of plywood for your bathroom's subfloor will vary based on the type of floor you are placing over it. 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. 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. Post subject: CDX vs. ACX Plywood for Subfloor over Concrete Slab. for pricing and availability. Plywood Sheets. 6 April 2011 at 3:40PM edited 30 November -1 at 12:00AM in In my home (includes DIY) MoneySaving. Apply the Kilz sealant to the subfloor. I would recommend against it if you care about the longevity of your subfloor. 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. We started in the closet s a test. Need to install a subfloor? 7 replies 11.7K views Chopio Forumite. So I went to HD and they had the 3 types of plywood. The higher the grade the better quality you should expect. I promised an update on the plywood flooring and so here it is! Will I be fine using a 1/4 crown, 1 1/8 Leg staple? Item #12249. 3/8" BC sanded pine plywood. Item #520360. I have seen plywood rot away when its sandwiched between two sheets of linoleum. Add Tip Ask Question Comment Download. 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, … Stagger the plywood for strength. From blemish-free and sanded smooth to gaping spaces around knots and cracks, each grade of plywood has different characteristics.