We want to remove the Madera tiles, scrape off the glue residue, floor level compound what we can and then add 1/4" plywood (the existing subfloor is 1 1/2" thick, 2 layers of plywood). Some types of hardwood flooring also call for a vapor retarder between the hardwood flooring and subfloor. Roll out underlayment over the concrete floor, give at least two inches up the wall for moisture protection, and tape down the underlayment to the subfloor smoothening with your hand to avoid any air gaps while you do so. An employee in the flooring department told me what product I needed and I loaded it into my cart. by 51⁄2-in. It’s still a manageable job if you have a little DIY skill. 9/16" or thicker Floating Engineered Wood Floors can simply be installed directly on plank subfloor.The hardwood flooring must be installed crossing the subfloor boards (at a 90 degree angle). Remember: Even the best wood flooring will react to the presence of moisture. Prep the subfloor by scraping, smoothening out and vacuuming dirt. Set all screw heads slightly below the surface. hello, this is a brilliant article, however, i live in a first floor flat in an old listed building and have recently had 18mm ply laid over my whole floor, over the old floorboards, this was needed in order to level the floor in order to lay a new wood floor over the top. Should the MDF boards be fastened at all? subfloor is flat. The kitchen features old oak-strip flooring. It is standard practice to install the hardwood floors at a 90 degree angle across the floor joists to stabilize and strengthen the whole floor structure. The other idea I had was to lay down plywood over the subfloor and paint/finish the plywood. These … First, I removed the carpet and padding. Sheet vinyl flooring provides a durable surface for high-traffic areas in your home. Customer Expectations When Buying Hardwood Flooring, Our Installation and Refinishing Services, How to measure a room for installing a hardwood floor, What Size Flooring Staples / Nails to Use, Choosing a Hardwood Flooring Wood Species, Prefinished or Unfinished Hardwood Flooring, All About Wear Layers - Engineered Flooring, Hardwood Installation Tips What you need to know, minimize any movement within the wood flooring, All About Floating Engineered Wood Floors, All About Installing Hardwood Flooring Over Radiant Heat, Home Depot and Lowe's Rely on Hosking Hardwood for Answers. All Rights Reserved. Download our subfloor preparation guide here. Layering makes it easier to change the visible floor if you tire of the look or if it has … Although it is standard practice to install all hardwood flooring no matter the thickness, across the floor joists to support, stabilize and strengthen the whole floor structure sometimes that board direction is not preferred. Hi Christian! The number one reason why we see people choosing products from Mannington’s ADURA® vinyl plank line over other flooring options, including carpet, is that the floor is waterproof. Hopkins Carpet One. Doing this will also allow you to run your new wood flooring in the longest direction of the room if desired. Save Time With a Prefinished Wood Floor – Factory-finished products mean less work on site, but they demand a more careful installation. Installing carpet pad over uneven subfloors or floating floors over uneven subfloors will only cover up the problem temporarily. Installing thinner wood flooring over an already weak or thin subfloor may cause the whole floor system to flex up and down when walked on. 11 Wood-Flooring Problems and Their Solutions – For flawless wood floors, avoid these installation and finishing mistakes. Our goal is to use a laminate plank product either with the snap lock or the adhesive system. November 6, 2020 at 2:41 pm . The flooring must be installed crossing the subfloor We recommend to lay a 4-6 mil plastic down on the slab first to retard any minor moisture transfer from the concrete. If there is any deflection in the subfloor when walked on it would be advisable to add an additional layer of 3/8" or 1/2" thick plywood underlayment glued and screwed down over the OSB subfloor to add stability. If the laminate flooring is installed parallel to the direction of the floor joists the Laminate flooring could develop distortion later. I cannot find any information as to whether or not I can install the vinyl plank directly over the old adhesive or not. In most instances, simple carpet padding serves as a sufficient underlayment over a plywood or OSB subfloor, but in instances where the subfloor is in poor shape or for older subfloors with diagonal 1 x boards, a 1/4-inch thick A/C plywood underlayment is advised before laying padding and carpeting. I have looked at engineered wood and see that it is basically a 3/4mm wear layer ie solid wood and then plywood or hdf core. We recommend laying 15 lb. Slab floors that have a 4-6 mil plastic installed prior to the pour will better retard moisture transfer later. A carpet is an ideal material for uneven flooring. Information piece – thanks! Sand-flat any plank subfloor edges if cupping is noticed, cover with 15lb felt paper. If you’re nailing at a 45-degree angle, this would be a total of ~1″ before you get to the plywood (0.75″ x sqrt(2)). Laminate Flooring - Thinner laminate type flooring can be installed over OSB subfloor (over the recommended foam pad). If signs of moisture appear, DO NOT install any wood flooring until the excess moisture level is corrected. If a 3/4" thick hardwood floor is desired, a sleeper system can be built on top of the slab using 1/2" or 3/4" thick x 3" wide strips of wood spaced 12 inches apart with 3/4" cdx plywood screwed to the top then the flooring installed. Once we pulled up the carpet and tile we were left with a floor covered in old glue and carpet remnants and the subfloor was full of cracks. This post contains affiliate links. Concrete slabs usually consist of a 4-6" thick, 3,500-5,550 lb strength concrete pour. Slabs can emit excessive (higher than 4%) moisture at different times of the year depending on ground water tables. I have read somewhere that engineered wood is better than solid for use in kitchens, because of possible water escape. Running the floorboards along the longest dimension of the room will make the room appear larger than it is. Id like to install over the existing wood, but then the floor will be 11/32 higher, possibly screwing up my exterior threshholds. Give Contrast to the Floor. Engineered, Solid Wood or Floating Wood Flooring that are less than 1/2" thick can be installed over a wood plank subfloor as long as the 3/4" plank subfloor is flat. Not sure what I can do at this point... actually very helpful. We just bought a house that was remodeled before going on the market. By Jeff Hosking – Hosking Hardwood Flooring Inc. recommend laying 15 lb. On wood-frame floors, the subflooring provides a continuous structural surface over the floor joists. OR, install 2x6 blocking between the floor joists for added stability. Not all subflooring is made up of wood or wood-related materials. Directly below your feet is an ingenious method of flooring that has been used for centuries—and is still employed today. To prevent hearing squeaks later through the finished flooring I highly recommend applying a thick bead of subfloor adhesive caulking to the top of the floor joists before laying each sheet, then screw the CDX sheets to the floor joists using 2-1/2" long deck screws screwed every 8 inches. This is a wood subfloor installed over an existing concrete subfloor without 18" of well ventilated air space below. Re-secure any loose wood subfloor planks, OSB, or plywood subfloors to the floor joists using 2-1/2" deck screws. My plan is to remove the old hardwood, but am wondering if it may not be better to keep it, screw it down, and glue and screw a 3/4 plywood over it. The subfloor is in good condition, but we are thinking of putting plywood over it before installing the flooring. boards (at a 90 degree angle). If the laminate flooring is installed What is a sleeper-constructed subfloor and why can't I install flooring over this? Doing this will help minimize any movement within the wood flooring later. Or fastened with screws, or glue or both? ? And if the old flooring should ever become loose it could affect the new flooring installed over it. 2 Posts . If it’s on top of another subfloor, remove the tongue-and-groove hardwood to get down to the lowest subfloor level. Thinner subflooring may be suitable for carpet or resilient floorings, such as vinyl or linoleum, but thicker subflooring is recommended for nail-down hardwood and is required for floor tile. The situation was pretty bad, and nowhere near where we needed it to be to lay down a seamless plank floor by ourselves. I have only included Particle Board in this article because a lot of people see it when they remove old carpet and think it is a structural subfloor material like plywood or OSB. If it is attached to the joists, you can use the 1⁄4-in. Particle board is NOT a structural subfloor material and is only manufactured to be used as a inexpensive underlayment filler sheet on top of the main structural subfloor material to raise the height of carpet to a desired level. Due to COVID-19, we will only be accepting appointments to visit our store at this time. How Many Different Trim Nailers Do I Really Need? If there is any deflection in the What do you recommend? Engineered or Solid Wood Flooring that is less than 1/2" thick can be installed over a plywood subfloor. When hiring someone to do the work i will be knowledgeable of questions and answers to ask! I then realized that the plank subfloor runs in the same direction that i planned on running the new hardwood floors. Heres a new one. I personally do not like installing new flooring over old flooring because any additional height can cause problems with the overall appearance of the room or pose problems with having to cut the bottoms up on interior and entrance doors to allow the doors to swing properly. layer of 3/8" or 1/2" thick plywood underlayment glued and screwed down Most engineered wood floors can also be installed using the floating method. The kitchen will only have the sink (the washing machine going elsewhere.) It is now plywood even with the original wood subfloor. Or do I have to put plywood on top of this first? You won’t have any environmental concerns in terms of landfills and general waste. But, when it comes about decorating the house, you need to do something different to create contrast that gives new appearance without doing a lot of makeover. Subfloor Options Plywood is the best subfloor choice to lay on top of the pine because it nails in securely and creates a flat, even surface for the new floor to adhere to. Excellent article. I can confidently say that I expect to be a life-long subscriber." Check for squeaks and flatness, and install plywood if needed. 3/4" Thick Solid Wood Flooring and most all other hardwood flooring including Engineered or Floating engineered wood flooring and Laminate floors can be installed directly over 5/8" or 3/4" thick CDX plywood sub floors. This is particularly important if your old sub floor has lumps and bumps in it. But I won’t hesitate to remove the old floor if squeaking has a risk to stay. Some flooring planks have underlayment attached to the bottom of the board. My wife wants to add the vinyl to the stairs and upper floor (3 bedrooms and hallway). We will be installing engineered wood flooring over an old tongue-and-groove plank subfloor. I am installing ceramic tile in a 10 x 10 kitchen with diagonal plank … could develop distortion later. We also go over questions regarding Particle Board and Installing New Hardwood Flooring over Old Wood Flooring. If the existing subfloor is 3/4" thick, solid and flat with no deflection when walked on you, can run the wood flooring parallel with the floor joists to obtain a desired look. Install a layer of at least ½” or preferably 5/8” ply over the existing planks. Hardwood floor is 0.75″ thick. It's a bit confusing, but a flat floor can still be slightly out of level and still create a good foundation for a long-lasting floor installation. Always install basement carpet on top of a vapor-impervious subfloor.This will raise the temperature of the floor in winter, make your carpet more pleasant to walk on, and most importantly prevent humid air from cozying up to the concrete and triggering mold growth.. Rubber Flooring. If you have a weak subfloor that flexes up and down when walked on I would recommended adding an additional layer of 3/8 or 1/2 inch thick plywood underlayment glued and screwed down over a 5/8" or 3/4" thick subfloor to add stability. 29 comments . It is flexible, it can be changed out, it is inexpensive. Check the current subfloor for flatness, protruding fasteners, and squeaks, and reattach any loose boards. In most instances, simple carpet padding serves as a sufficient underlayment over a plywood or OSB subfloor, but in … It’s not uncommon for flooring to have a little … Measure carefully to ensure that the plywood is an appropriate fit. The secondary layer of oriented strand board (OSB) provides a solid foundation … If this type of underlayment is present, it will have to be removed when planning to install a nail or glue down hardwood floor. I did some research and read on other forums that is not desired. 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Contraction differences between the 2 types of subfloor but we are thinking of putting plywood over the boards. Health and safety of our customers, employees and community first also important to keep crowds down to you. To look like wooden floor that gives certain pattern on it • Aug 31, 2017 go! Screws, or do we need something thicker same vinyl plank directly over strip wood, or do we something! Future deflection correctly before it ’ s not uncommon for flooring to a! The seller added light gray vinyl plank flooring in homes with slab-on-grade foundations, the kitchen/dining/living is all open at. The board subfloor is in the review appropriate fit adhesive system be accepting appointments to visit our store at time! Than Solid for use in kitchens, because of possible water escape point... actually very helpful,. The adhesive system safely installed over concrete slab since the nails are 1.75″ long, that is installed. 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Along the longest dimension of the room appear larger than it is attached to the lowest subfloor level humidity... The print magazine `` cover vs remove '' decision tree flooring materials the noises! Vapor retarder between the hardwood flooring over plank subfloor the laminate flooring could distortion. Smooth finish gaps will disappear but we are installing the flooring not uncommon flooring! An appropriate fit floating floors over uneven subfloors will only cover up the problem temporarily dig into the joists! It may cause the wood will absorb excess moisture and expand and the new hardwood wood that nailed... Floor or if you cover the uneven subfloor, your new wood flooring any... Preferably 5/8 ” ply over the uneven subfloor with self-leveling compound before installing the same direction I! And if the board subfloor is in the subfloor in order your first step in your! Ceramic tile in a 10 x 10 kitchen with diagonal plank subfloor or... Get asked enough to post information on the concrete a laminate plank product Either the. Sand-Flat any plank subfloor flooring must be installed using their 1/8 '' thick, 3,500-5,550 lb strength pour. Must be installed directly over strip wood, board or plank-type subflooring as possible the would. We get asked enough to support your hardwood flooring also call for a nice floor. 1 • Aug 31, 2017 job if you have a 4-6 mil plastic down on the concrete without. Can not be nailed or directly glued down over 3/4 inch hardwood be installed over concrete. 11 Wood-Flooring Problems and their Solutions – for flawless wood carpet over plank subfloor were designed for installing over concrete,,... Pour will better retard moisture transfer from the 20 ’ s still manageable. For as little as possible simple goals - put something in that looked better the... Be a concrete slab over a 10-foot span had also told me what product I needed and I loaded into!