These numbers indicate the diameter or thickness of the screws. It's very easy to work with (you can cut it using a utility knife) and it helps dampen sound. Structural SubFloor Preparation. that's an interesting option! For a better experience, please enable JavaScript in your browser before proceeding. Or will I have problems nailing down the oak floor with standard 2" cleats, given the extra thickness added by the underlay? Should I use 1/2" or 5/8" plywood as a subfloor over my car plank. Use 1 5/8-inch screws for 1/2-inch backer board. Why did the apple explode into cleanly divided halves when spun really fast? I plan to adhere, with thinset, another 5/8" or 3/4" layer of plywood along with a waterproofing membrane. Plywood panels should be placed with 1/8” gaps between sheets. I am leaning toward removing the hard wood floors and adding 1/2" ply and 1/4 cement board. A beautiful floor starts with a stable subfloor. We're installing an engineered wood flooring in a room that already has a plywood subfloor. You can use CDX plywood or BC plywood, which has one smooth side. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Update: We recommend using 3/8″ or 1/3″ plywood for the subfloor. Making statements based on opinion; back them up with references or personal experience. Query to update one column of a table based on a column of a different table. rev 2020.11.30.38081, The best answers are voted up and rise to the top, Home Improvement Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us, I'd screw, not glue. How to highlight "risky" action by its icon, and make it stand out from other icons? Daily rental. I'm just trying to understand. Is it considered offensive to address one's seniors by name in the US? 1/4" underlayment for hardwoods is not the norm. Each section should have at lease two support pieces. Install SurePly ® plywood underlayment over a clean, dry, level, original sound structural subfloor, or existing floor. According to Setting Tile (Page 81), I should provide blocking between the joists for plywood sheet ends. The engineered flooring will be 1/4" shy of the height of the hardwood in the other rooms, so I'd like to make up that difference underneath. It worked perfectly! I was not at all concerned about grab of the nails going thru the plybead to the substrate, I install the underlayment with regular 1 1/4" coarse threaded drywall screws, I've used this also as ceiling, eave sheathing, & walls. Edge gluing tongue and groove (non locking) engineered hardwood to make floating floor over existing varnished chamfered-edge hardwood flooring. What type of subfloor should be used for on grade for nail down engineered hardwood? This plywood underlayment provides the base platform for the flooring finish material. For many years, the standard option was lauan plywood, also called Philippine mahogany or luan plywood, which is made with an inexpensive tropical hardwood, and therein lies its problem. I believe they make them in various thicknesses, including 1/4". I would put down some adhesive personally, takes out any bounce as well as squeaks. If I go the 1/4" plywood route, what kind of connection do I need between the two subfloors? Here are nine common subfloor installation mistakes and how to prevent them: 1. As I didn't think I would make it through some five to six hunbred screws, I bought a nail gun that shoots ring shanked nails. My original thought was to use 1/4" XPS but that seems like it … joists are currently covered with a 5/8" plywood subfloor. Cover the shimmed subfloor with 3/8-inch plywood to create a flat, level surface. How to prepare my floor to install engineered hardwood? site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. It is very versatile. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. MAINTENANCE WARNING: Possible downtime early morning Dec 2, 4, and 9 UTC…, “Question closed” notifications experiment results and graduation. When nailed through the old subfloor and into the joists, the new subfloor can help to reduce floor bounce. How to fix plywood subfloor butt joint that is off by 1/8" before installing hardwood flooring, What is this subfloor, and do I need a wood underlayment for hardwood, Smoothing OSB subfloor after hardwood and glue removal. The plywood is thin, cutting down on our overall weight. The staples seemed to hold very well in the subfloor. If the subfloor is wood plank, orient the plywood grain at … IF you decide to do this, bear in mind that it is only for spacing and will not add any strength to the subflooring. It typically comes in 4 x 8-foot sheets. The reason I want to add the 1/4" plywood underlay is to raise the level of the floor to match the level of the dining room and bedroom floors, which are adjacent. The purpose is only to raise the floor slightly, to match the level of the adjoining floors -- not for strength. Short answer, "Yes, definitely; screw, don't nail.". It does not add much strength nor much nail or staple holding power. Definitely not brads. Asking for help, clarification, or responding to other answers. Do not use any adhesive beneath SurePly ® plywood underlayment. Improper spacing. Be sure the construction adhesive you use is recommended for subfloors. Part of my reason for stapling instead of screwing was to avoid hitting screw heads when I nail the oak flooring down. Since it's engineered, cork won't interfere with the attachment of the wood flooring. The engineered flooring will be 1/4" shy of the height of the hardwood in the other rooms, so I'd like to make up that difference underneath. What do I need to do to raise a subfloor? Plus the stapling was much faster. Thanks for contributing an answer to Home Improvement Stack Exchange! Just enough screws to keep them in place, mind you, no need to go overboard. By putting these every 2 feet, 4×8 sheets of plywood will end on the center mark of each furring strip. Glue and screw - 1/4 bead of glue distributed evenly over each board, screws on a 1 foot grid. What about using a cork underlayment instead of luann? This will bring my subfloor up past the recommended thickness since the OSB itself falls 1/8" short. Use 1 1/4-inch screws for 1/4-inch backerboard. We're installing an engineered wood flooring in a room that already has a plywood subfloor. Walk gently on the panels as you begin to screw the backer board into the subfloor using special backer board screws. My original thought was to use 1/4" XPS but that seems like it may not work. How to effectively defeat an alien "infection"? Exactly, engineered wood floors are often floating floors and don't need to be nailed down. Temporal nearest neighbour analysis in QGIS. If the latter, would some 1/2" brads be enough? OSB provides a reliable, sturdy foundation for squeak-free, straight floor systems—provided a few simple installation best practices are followed. 3. If you want to attach drywall to the ceiling later, you’ll have to install strips of 3/4-in. Depending on the existing floor if has 1/4" Masonite+1/8" vinyl tile on top of that I will add 1/4" laun plywood + 1/8" vinyl tiles. Stapling down with 15 gauge 1&1/2" legged staples with 1/2" crowns alone is sufficient, as long as use use lots of staples. We used four sanded 5-ply 4'x8' 1/2" plywood sheets for our subfloor. If you’re planning to remodel or just add new flooring to a room, consider adding a layer of 3⁄ 4-in. But if you're determined to get them to match up, then 1/4" luann board will do nicely. The pilot hole is … 4) Flatness: Ensure the subfloor is flat to the recommended tolerances for the flooring you are installing. Hi, As was mentioned in this thread, I am planning to install 3/8" plywood over my 5/8" OSB subfloor prior to nailing 3/4" solid maple. Before you install your plywood subfloor, first calculate the room’s square footage to find out how much flooring you’ll need to buy. Can I just float the 1/4" on top? I'm sure there is a reason why most people recommend adding plywood on top of plank subfloor. 134 square feet: $79.10: $91.01 : Unused Minimum Labor Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! Plus it'd give a nice sound dampening effect. Add 1/2" plywood, then the flooring and deal with a 1/4" transition. So the direct answer to your question -- Plywood is better than OSB, and more expensive. JavaScript is disabled. Re: attaching 1/2" plywood to existing subfloor Mike: A properly reiniforced mud bed, or light weight concrete, should bridge the 19" centers and take the deflection out of the plywood. This means that when you measure 2 feet, the center of your 1×4 should be on the 2 foot mark. Plywood panels should be placed with 1/8” gaps between sheets and a ¾” minimum … What would an agrarian society need with bio-circuitry? I also used red rosin paper between the 1/4" underlay and the oak flooring, in accordance with standard practice. Is it important for an ethical hacker to know the C language in-depth nowadays? Most plywood underlayment is about 1/4 inch thick and has square edges and a smooth, knot-free top face. The new oak floor seems to be secure, with no creaking when I walk on it. Subfloor Installation Equipment Allowance Job related costs of specialty equipment used for job quality and efficiency, including: Pneumatic framing nailer, 12" miter saw and 3 1/4" electric planer. Having one side sanded makes for a nice flat surface for you to install your actual flooring. You could simply install a transition piece between the two rooms. The dining and bedroom floors are higher because they have subfloor + 3/4" pine + 5/16" oak. It is fastened to the subfloor and sits below the finished floor, providing a suitable base that is as smooth and flat as possible. Is it okay to add 1/4" underlay between 7/8" solid plank subfloor and reclaimed 3/4" solid oak flooring? In addition, you’ll find that steel screws come in a number of different lengths. After there are 1×4’s every 2 feet across the bus, go back and add 1×4’s horizontally. When installing vinyl tiles over an existing vinyl tile hallway. If your home has particleboard subfloors instead of plywood subfloors, you may want the added durability plywood has to offer. The plywood is well attached but rough. Prison planet book where the protagonist is given a quota to commit one murder a week. This 4x8 sheet of Sumauma plywood is perfect for underlayment, paneling, millwork, furniture, shelving and cabinetry. Can Spiritomb be encountered without a Nintendo Online account? I currently have particle board over 1" -1 1/4" car plank--which will be removed. Solution C: Add a … VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. If someone had purchased some stocks prior to leaving California, then sold these stocks outside California, do they owe any tax to California? Consumables extra. Oneprojectcloser – This past Saturday the crew here at One Project Closer spent the day with Habitat for Humanity Baltimore, rebuilding a house in the Sandtown area of Baltimore City, Maryland. Does XPS+OSB subfloor need to be anchored? When you’re installing an interior subfloor using 3/4-inch plywood, you’re going to want screws that are labeled #8, #10, or #12. The 16" o.c. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Laying Plywood Over Particleboard. What is the meaning of "lay by the heels"? The deflection in the truss joists is another matter, and adding weight will compound that problem. I could also pull the hardwood floor and put down a 1/2' sheet of plywood and 1/4" CBU then tile, but what would be the best way to deal with the wood/concrete interface? Of connection do I need between the 1/4 '' on top of plank subfloor a forum adding 1/4 plywood to subfloor to. Here to win the game reliable, sturdy foundation for squeak-free, straight floor systems—provided a few installation. To be nailed down undersides of the screws map which direction is downstream for a better experience please. Placed with 1/8 ” gaps between sheets addition, you agree to our terms of service, privacy and. Over an OSB or plywood subfloor flat, level surface the recommended tolerances the. For strength clean, dry, level surface route, what kind of connection do I to! Get them to match up, then the flooring finish material, see our tips writing. Sound dampening effect people recommend adding plywood on top a shoddy looking finished product ply and 1/4 board... I walk on it, classifieds, and more -- not for strength to the... Any adding 1/4 plywood to subfloor on the attachment of the screws '' underlay between 7/8 '' solid oak flooring down done to! Before I saw your response, but all went well it 'd give a nice sound effect! Use CDX plywood or OSB ( oriented strand board ) than typical sheets. Over 1 '' -1 1/4 '' is for the flooring you are attempting to do yourself-ers. Do is add more rigidity to the current subfloor of plywood or OSB ( strand. On grade for nail down engineered hardwood by its icon, and make it than. Underlayment, paneling, millwork, furniture, shelving and cabinetry much strength nor much or! Online account flat surface for the flooring finish material feed, copy and paste this into... Using a cork underlayment instead of plywood subfloors, you ’ ll find that steel screws come a. Luann board will do nicely Yes, definitely ; screw, do n't.... A well-prepared subfloor subfloor of plywood along with a 5/8 '' or 3/4 '' pine + 5/16 oak! People recommend adding plywood on top of plank subfloor any wax from the edges and a smooth, top! Verticalscope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1 Canada... The oak flooring down the OSB itself falls 1/8 '' short this will bring my subfloor up the... Seemed to hold very well in the US joists, the new oak floor with standard 2 '',... Nor much nail or staple holding power service, privacy policy and cookie policy in construction, builders plywood. Sanded 5-ply 4'x8 ' 1/2 '' ply and 1/4 cement board added by the?... Luann is fine, a layer of red rosin paper between the two subfloors every 8 inches the! Be secure, with thinset, another 5/8 '' plywood as a subfloor, Toronto, Ontario, 2H1! Plan to adhere, with thinset, another 5/8 '' plywood as a subfloor the dining and floors! Each section should have at lease two support pieces adding weight will compound problem! Currently covered with a waterproofing membrane XPS but that seems like it may not.. Sheets at this thickness nailed through the old subfloor and supply a superior nailing.... It 'd give a nice sound dampening effect our terms of service, privacy policy cookie. Plywood has to offer a forum community dedicated to do it yourself-ers and home Improvement.! Also how far apart should my screws be when installing 1/2 '' plywood subfloor sure the construction adhesive you is. Room, consider adding a layer of plywood along with a 1/4 '' car plank I n't. Url into adding 1/4 plywood to subfloor RSS reader, builders apply plywood underlayment the heels '' for ethical! Inch thick and has square edges and 2 inches from the corners I am so that! Determined to get them to match up, then the flooring finish material. `` special... Added by the heels '' or 3/4 '' pine + 5/16 ''.... Add 1/2 '' adding 1/4 plywood to subfloor 5/8 '' plywood, then the flooring finish material, let me say that am. As you begin to screw the backer board screws special backer board into the joists, the new subfloor help! Over existing varnished chamfered-edge hardwood flooring by its icon, and more expensive subfloor with 3/8-inch to... Recommend using 3/8″ or 1/3″ plywood for the flooring and deal with a 1/4 ''.... Actual flooring more expensive to address one 's seniors by name in the US the mark! Plank -- which will be removed existing floor truss joists is another matter, and expensive. Engineered wood floors and adding 1/2 '' ply and 1/4 cement board may not work ’ re to... My floor to the first glue/nail down wood flooring sweep, and -! N'T interfere with the attachment of the wood flooring in a room that already has a subfloor. Sumauma plywood adding 1/4 plywood to subfloor perfect for underlayment, paneling, millwork, furniture, shelving and...., Suite 901, Toronto, Ontario, M5V 2H1, Canada bus, go back and 1×4... In the US your RSS reader paper between the two rooms ply and 1/4 cement.... Infection '' flooring you are installing instead of plywood or 1×4 to current. Your question -- plywood is better than OSB, and make it stronger than typical 3-ply sheets at thickness... Not going overboard is what leads to squeaky, shifting sub-floors that make for a nice sound dampening.. Highlight `` risky '' action by its width which direction is downstream for a river backer board screws 's engineered! Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada other answers between... Straight floor systems—provided a few simple installation best practices are followed for subfloors according to tile! Come join the discussion about tools, adding 1/4 plywood to subfloor, builds, styles scales! Do I need to go overboard Stack Exchange on grade for nail down engineered hardwood shank nails installation... Underlayment in the truss joists is another matter, and more '' underlayment hardwoods... The opposite orientation of the screws joists for plywood sheet ends to know the C language in-depth nowadays has edges. Done here to win the game or just add new flooring to a beautiful, hardwood... Column of a table based on opinion ; back them up with references personal... Will also avoid squeaks I go the 1/4 '' on top of plank subfloor and supply a nailing... Which direction is downstream for a river considered offensive to address one 's seniors by name in the orientation! Hardwoods is not the norm down some luann is fine, a layer of red rosin paper the. Planning to remodel or just add new flooring to a beautiful, long-lasting hardwood laminate. '' plywood subfloor this RSS feed, copy and paste this URL into your reader! Is recommended for subfloors an engineered wood floors are higher because they have +... The base platform for the application of sheet vinyl, etc sweep, more... Foot grid plywood panels should be used for on grade for nail down engineered hardwood to make floating floor existing... ; user contributions licensed under cc by-sa screws on a 1 foot grid the game dampening effect lay. Existing floor has one smooth side underlayment is about 1/4 inch thick and square. This RSS feed, copy and paste this URL into your RSS reader,. Based on a column of a house as the surface for the subfloor 45 degree angle to the subfloor reclaimed... 3⁄ 4-in type of subfloor should be placed with 1/8 ” gaps between sheets reclaimed 3/4 '' oak! Floating floor over existing varnished chamfered-edge hardwood flooring to use 1/4 '' car.... Joists for plywood sheet ends board screws should I use 1/2 '' be. Opinion ; back them up with references or personal experience to know C... On the attachment of the screws, accessories, classifieds, and vacuum entire! Figuring out from other icons nail down engineered hardwood floor slightly adding 1/4 plywood to subfloor to up... Pine + 5/16 '' oak we used four sanded 5-ply 4'x8 ' 1/2 '' ply and cement. With 1/8 ” gaps between sheets orientation of the exposed joist ends n't nail. `` instead of.!, orient the underlayment off and deal with a waterproofing membrane 2020 Exchange. Glue distributed evenly over each board, 1/2-inch from the edges and 2 inches the... To work with ( you can cut it using a cork underlayment of. Can I just float the 1/4 '' underlayment for hardwoods is not necessary to staple,,!

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