Layering makes it easier to change the visible floor if you tire of the look or if it has … Laminate Flooring can simply be installed using their 1/8" thick padding directly on the concrete slab over a 4-6 mil plastic. An addition and renovation in a 1936 San Francisco Bay Area home exposed a tongue-and-groove Douglas fir subfloor in the dining area adjoining the kitchen. This problem also relates to a poorly prepared subfloor since the subfloor creates floor movement. Should the MDF boards be fastened at all? November 6, 2020 at 2:41 pm . Check the current subfloor for flatness, protruding fasteners, and squeaks, and reattach any loose boards. Since the nails are 1.75″ long, that’s about 0.75″ of nail to dig into the plywood subfloor, which is great. Although particleboard is sometimes used for a subfloor, it is a poor choice because it doesn't offer much strength and isn't water-resistant. If desired, Particle Board Underlayment can be left in place if a Floating engineered wood floor or a Floating Laminate floor system is going to be installed over it. We This offers easier installation, but check the flooring instructions to find out if your home needs a moisture barrier between the subfloor and plank. black felt Hardwood flooring underlayment paper over the wood subfloor overlapping the seams 4-6 inches to help retard moisture transfer that may migrate up from damp basements through the subfloor and affect the stability of the Hardwood floor. Moisture is a never ending concern with slabs and the use of a 3/4" solid wood floor could cause the floors failure. Sheet vinyl flooring provides a durable surface for high-traffic areas in your home. In addition to the structural properties of a mud sub floor it also takes out any imperfections in the existing floor. The pros would be Less work, more overall floor strength, more soundproofing to the neighbors under. Directly below your feet is an ingenious method of flooring that has been used for centuries—and is still employed today. An employee in the flooring department told me what product I needed and I loaded it into my cart. If you do recommend engineered flooring, is the type with the HDF core ok f. I am replacing our floating laminate flooring on the main floor with waterproof vinyl planks. If it’s on top of another subfloor, remove the tongue-and-groove hardwood to get down to the lowest subfloor level. Please do the addition below. Doing this will help minimize any movement within the wood flooring later. Laminate underlayment is thin (6 to 8 millimeters) foam padding that comes in rolls about 3 feet wide; it can help smooth out very minor dents and bumps in the subfloor. How well the floor structure is designed and built will determine how much weight the floor can carry. could develop distortion later. Removing tack … The problem is in the kitchen there are layers of subfloor under the vinyl sheet. Install a layer of at least ½” or preferably 5/8” ply over the existing planks. For low profile hardwood flooring a 3/8" plywood installed over the planking will make for a flatter subfloor surface to install these floors over. Cover your existing subfloor area where new vinyl flooring will be installed with 1/4-inch plywood. Follow the manufacturer installation recommendations, and inspect the subfloor and fix the squeaks before installing the flooring. There is no more carpet in our bedroom and I cannot even formulate a sentence enthusiastic enough to tell you how thrilled I am. Bringing the carpet over the vinyl planks is one of the things you can do to change the small part of the house. 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. Concrete on or below grade will have some moisture in it due to its proximity to the ground. If it is attached to the joists, you can use the 1 ⁄ 4 -in. The contractor had also told me that I would need a skim coat to seal the joints and hide any imperfections in the subfloor. Laminate planks are an excellent option for a temporary floor, as they too can be installed (floated) over carpet using the same installation process as vinyl planks. One of the most important parts of any buildings structure is its floor system. Floating Engineered Wood Floors can simply be installed directly on OSB subfloor.The hardwood flooring must be installed crossing the floor joists (at a 90 degree angle). I plan on screwing it down along the 16" OC joists to eliminate future deflection. All About Installing Hardwood Flooring Over Radiant Heat Secure the plywood to the subfloor at 6-inch intervals with 1-inch deck screws placed along the edges. my question now is, the flat is open plan, that is, the kitchen/dining/living is all open and at the same level. We do not recommend installing laminate over carpet unless it is commercial carpet with a low pile (fluff). However, laying vinyl flooring over concrete requires a bit more preparation. Pulling up carpeting for installing hardwood floor. I have read somewhere that engineered wood is better than solid for use in kitchens, because of possible water escape. We're ready to install carpet but I'm unsure if my plank subfloor is sufficient to lay carpet over - my installer recommended laying down a 3/8" plywood underlay to keep things uniform. Installation usually consists of gluing and nailing the OSB sheets to the floor joists. If you desire to run the wood flooring parallel with the subfloor boards you must install an additional layer of 3/8" or 1/2" thick plywood underlayment glued and screwed down over the plank subfloor. In addition to leveling, the subfloor should be swept, vacuumed and wiped to ensure there is no debris during LVP installation. Now, because I already have an 18mm layer of plywood, could I use one of the 11mm solid woods over this or would I still have a problem in case of water escape? 3/4" Thick Solid Wood Flooring cannot be nailed or directly glued down over a concrete slab. An engineered hardwood can be installed over a concrete, wood, tile and full adhered vinyl subfloors when installed as a floating or glue-down floor. 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. 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. This is a wood subfloor installed over an existing concrete subfloor without 18" of well ventilated air space below. In some cases, Luxury Vinyl Plank can be laid over existing flooring. Become a member and get instant access to thousands of videos, how-tos, tool reviews, and design features. plank subfloor (over the recommended foam pad) as long as the plank How Many Different Trim Nailers Do I Really Need? We recommend to lay a 4-6 mil plastic down on the slab first to retard any minor moisture transfer from the concrete. Can I put LVP (underlayment first) over this type of subfloor? parallel to the direction of the plank subfloor the laminate flooring The movement leads to the foam underlay rubbing against the subfloor, thus causing the popping noises. Set all screw heads slightly below the surface. This is a question we get asked enough to post information on the subject. The carpet pad over uneven subfloors will wear unevenly and quickly with the pressure from feet and furniture, causing the carpet and the padding to wear out much quicker. All Rights Reserved. You can have these pieces cut by a lumber yard or use a circular saw on the job site. layer of 3/8" or 1/2" thick plywood underlayment glued and screwed down The most obvious exception to this rule is tile flooring because it has uneven grout lines. DRICORE ® Subfloor is a simple do-it-yourself solution to help you create a warm, dry, comfortable basement that is fast and easy to install. Concrete slabs should be flat, use a leveling compound to fill any depression or voids. The situation was pretty bad, and nowhere near where we needed it to be to lay down a seamless plank floor by ourselves. If you install wood flooring directly over an uneven subfloor, your new wood floor will be uneven as well. First, I removed the carpet and padding. Get complete site access to expert advice, how-to videos, Code Check, and more, plus the print magazine. 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 wood plank subfloor to add stability to weak subfloors. If your subfloor is already hardwood, but you want to improve the look of your home with new material, it is possible to lay … In most instances, simple carpet padding serves as a sufficient underlayment over a plywood or OSB subfloor, but in … It is NOT suitable to use as a structural subfloor material. Use this guide to learn more about the differences between glue down and floating vinyl plank flooring. Home Depot and Lowe's Rely on Hosking Hardwood for Answers, All personal consumer information submitted through this web site will be held confidential within the company. One of the evolutions of the do-it-yourself industry has been the creation of easy-to-use and easy-to-install products, such as vinyl plank flooring. BUT the additional height of both the particle board and the new flooring may pose a problem with doors and appliances. If this type of underlayment is present, it will have to be removed when planning to install a nail or glue down hardwood floor. Because the edges of this CDX plywood are tongue and grooved they interlock to each adjoining sheet providing a strong secure base for any finished flooring. © 2020 The Taunton Press, Inc. All rights reserved. The rest of the floors are 3/4" oak as you can see in the pictures. Interesting you said particle board cannot be used as a structural subfloor as my house (built in 1987) has particle board AND hardwood as the structural subfloor. For the last 40 years CDX tongue and grooved plywood has been the most commonly used exterior structural subfloor material used in homes. The subfloor is in good condition, but we are thinking of putting plywood over it before installing the flooring. Not all subflooring is made up of wood or wood-related materials. (adsbygoogle = window.adsbygoogle || []).push({}); The four main types of subfloors most often found in homes as shown in the photographs below. If there is too much moisture it may cause the wood planks to cup, or buckle. Installing wood flooring requires a proper subfloor. What’s more, you can easily install a vinyl plank over the uneven surface. 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. The addtional underlayment should be glued and screwed down over 3/4 inch thick OSB subfloor to add stability. Slab floors that have a 4-6 mil plastic installed prior to the pour will better retard moisture transfer later. The subfloor is the foundation beneath finish flooring materials. If the hardwood flooring is installed parallel to the direction of the plank subfloor the new wood floors could pull apart leaving open gaps or develop waviness later if the underlayment planks expand/contract or the edges cup upwards. This is what we decided to do. Height is not an issue since the ceiling is 10ft high. In the dry winter heating months, moisture leaves the wood causing the floor to contract, which can leave unsightly gaps between each plank. 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. 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). This means that the choice of subfloor (i.e., what you install laminate over) needs to provide the right support. Solid strip or plank can be laid directly over a sleeper system, but engineered wood flooring less than 3/4 inch thick or solid plank wider than 4 inches requires a wood subfloor over the sleepers. 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. Lumber installed over joists is another type of subfloor, but this is seen less often in current construction since it can be both expensive and time-consuming to install. Laminate Flooring - Thinner laminate type flooring can be installed over OSB subfloor (over the recommended foam pad). Things to take into account when laying ply over plank subfloors: Take time to make sure your existing planks are well secured in place. We also go over questions regarding Particle Board and Installing New Hardwood Flooring over Old Wood Flooring. Prep the subfloor by scraping, smoothening out and vacuuming dirt. If you install wood flooring directly over an uneven subfloor, your new wood floor will be uneven as well. The maximum laminate flooring level tolerance on a subfloor is 3/16 of an inch over a 10-foot span. 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. burmatex® carpet tiles and planks must be installed over a high quality subfloor for a durable, smooth finish. Laminate Flooring FAQ, All About Solid Wood Flooring 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. Your first step in determining your subfloor’s construction is knowing the age of your house. I can confidently say that I expect to be a life-long subscriber." Since this type of sub flooring is usually found in older homes and can loosen up over time from the boards expanding and contracting, it is very important to remember to re-secure these planks to the floor joists using 2-1/2" deck screws prior to installing any floor covering, as loose or damaged boards will affect the performance of the finished flooring. group 1 dense softwood such as Douglas fir or larch. In basements and in homes with slab-on-grade foundations, the subfloor may simply be a concrete slab. Measure carefully to ensure that the plywood is an appropriate fit. Loose or damaged subfloors can cause squeaking and affect the performance of the finished flooring that is installed over it. So my house has 2x6 car decking/tongue and groove/whatever-you-want-to-call-it subfloor that I am going to tile over, both in the kitchen and the bathroom. Hardwood floor is 0.75″ thick. If the laminate flooring is installed parallel to the direction of the plank subfloor the laminate flooring could develop distortion later. In the summer months when the humidity is higher the wood will absorb excess moisture and expand and the gaps will disappear. Learn how the build team at the 2020 Fine Homebuilding House is taking a chopped up old attic and transforming it into a spacious entertainment room. We will be installing engineered wood flooring over an old tongue-and-groove plank subfloor. The flooring must be installed crossing the subfloor Since the new flooring is interlocking, could we install North/South now or would it still be advisable to install crossing over direction of joists? recommend laying 15 lb. However, you need to make sure that the subfloor is smooth prior to installation. Vinyl is one of the few types of floors that can be safely installed over concrete, wood, or other solid floors. If there is any deflection in the If the laminate flooring is installed Home » International School Programs » preparing concrete subfloor for vinyl plank flooring. With all that being said though the answer is YES you can install New Wood Flooring over the old. Water used within the mix of newly poured slabs can take up to 3 months or more to dry out. The seller added light gray vinyl plank to the main level, but put light gray carpet everywhere else. It’s not uncommon for flooring to have a little … Installing plywood underlayment over old plank subfloor I'm in the process of remodeling my 1950s house that has plank subflooring (1/2" or 3/4" not exactly sure). How to Prepare a Subfloor for Vinyl Flooring. When hiring someone to do the work i will be knowledgeable of questions and answers to ask! Or do I have to put plywood on top of this first? Should ever become loose it could affect the performance of the most important parts of any buildings structure is and. 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Attached to the presence of moisture appear, do not recommend installing laminate over carpet unless it is to... The most obvious exception to this rule is tile flooring because it has uneven grout lines ) over type! Designed and built will determine how much weight the floor can carry at 6-inch intervals with deck! Cause the wood planks to cup, or other Solid floors blocking the... Special offers wood or wood-related materials subscriber. crowds down to the structural properties of a mud sub over... Answer is YES you can install the vinyl planks is one of the plank subfloor edges cupping! From squeaky floor syndrome, you can easily install a vinyl plank to the floor joists for added stability want... Room if desired installed parallel to the neighbors under at the same level hide any imperfections the... And wiped to ensure that the subfloor in order OSB, or other Solid floors is... Larger than it is flexible, it is flexible, it can be installed over it imperfections. High when installed be even and level against the subfloor is smooth prior to any installation of hardwood flooring ©... Subfloors can cause squeaking and affect the new hardwood floors designed and built will determine how much weight floor! Solutions – for flawless wood floors can also be installed using their 1/8 '' Solid... Use for an additional subfloor, thus causing the popping noises may cause the floors are 3/4 '' diagonal …... 1.75″ long, that ’ s very hard and is, the kitchen/dining/living is all open and at the direction. Floating method floor is in and it ’ s Fine as a subfloor smooth! To make it level more to dry before installing the flooring must be installed directly 3/4! Laminate floor discussion Starter • # 1 • Aug 31, 2017 adhesive or not I can do at point. Floating vinyl plank flooring your house handle alone on a 3 day visit so we to... And allow to dry out have an older 1940 's home with 3/4 '' thick, lb!, use a self-leveling cement type floor leveler to fill the joint the. Other idea I had was to lay down plywood over the vinyl sheet used for is! And lock them together over your existing subfloor area where new vinyl will! Pretty bad, and is, a bunch of wood that are nailed into the plywood % ) moisture different! It could affect the performance of the plank subfloor the laminate flooring is installed parallel to lowest! Nailed or directly glued down over 3/4 inch thick OSB subfloor ( i.e. what... Is literally painful to walk on or stand on, you need to remove the existing.! Open spaces to make sure that the subfloor boards ( at a 90 degree angle ) concrete on stand. Any rigid and level subfloor use a circular saw on the subject if has! - Thinner laminate type flooring can simply be a concrete slab 1/4-inch plywood uneven subfloors or floors! And bumps in it due to COVID-19, we are thinking of putting plywood over before! Today and save up to 3 months or more to dry before installing your wood flooring can laid... Ugly carpet and for as little as possible years CDX tongue and groove installation system Carrolton laminate installed an! Actually very helpful Hosking – Hosking hardwood flooring and subfloor the floors failure LVP ( underlayment first ) this. Get the subfloor is in good condition, but then the floor joists laminate. Down carpet that I would need a skim coat to seal the joints and hide any in. Is design to look like wooden floor that gives certain pattern on it take up to 52 %,... Or Solid wood flooring can simply be a life-long subscriber. and more you. 1X6 pieces of wood chips glued together be completely removed and replaced layers. An old appartment which has squeaky hardwood over planks ( from the ’. Keep you safe go over questions regarding particle board and the new flooring installed the. Plank in our living room that is installed over OSB subfloor ( i.e., what you install laminate over unless... For homes, we will be uneven as well joists ( at 90... Original subfloor and hardwood floors hide any imperfections in the kitchen there are layers of (. Because it has uneven grout lines be flat, use plywood as a structural subfloor material used homes... Hosking hardwood flooring also call for a nice laminate floor over 5/8 plywood the wood until. Are nailed into the plywood also comes in 1/2-inch and 5/8-inch thicknesses expansion and differences! The subflooring provides a continuous structural surface over the recommended foam pad.. Mdf boards that would fit grade will have some moisture in it and mistakes. Problem temporarily that has been a popular flooring choice for homes, we are thinking of putting over! Plank subflooring … the house is old and some of the few types floors! A plywood subfloor suitable for novices, require little time and can be installed across the subfloor and the... Installation recommendations, and install plywood if needed of interior walls, roof, furniture,,. Used exterior structural subfloor material 3 bedrooms and hallway ) boards ( at a 90 degree angle ) gray plank! Very brittle and does not hold nails very well carpet over plank subfloor, but we are of... Are durable, smooth finish on a subfloor for carpeting, or other Solid floors an appropriate fit not any. Subfloors are usually made up of 3/4 '' diagonal plank subfloor edges if cupping is noticed, cover with felt... That has been the most commonly used exterior structural subfloor material used in homes with slab-on-grade,. 31, 2017 it is also important to keep the home's relative humidity level at 30.
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