Simply snap and lock them together over your existing floor using the interlocking tongue and groove installation system. I did some research and read on other forums that is not desired. Repair any broken planks. 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. Patch up any holes or open spaces to make it level. You won’t have any environmental concerns in terms of landfills and general waste. In addition to leveling, the subfloor should be swept, vacuumed and wiped to ensure there is no debris during LVP installation. But if you cover the uneven subfloor with self-leveling compound before installing your wood flooring, your new floor will be even and level. Or do I have to put plywood on top of this first? Sand-flat any plank subfloor edges if cupping is noticed, cover with 15lb felt paper. But if the disparity is more than ¼ inch, you will need to undertake some floor prep, or else the tiles won’t align properly. What’s more, you can easily install a vinyl plank over the uneven surface. Throughout the living room + bedrooms there are various types of other flooring that I plan on ripping out down to the plank subfloor … “While carpet has been a popular flooring choice for homes, we are seeing homeowners start to move to LVT for numerous reasons. A carpet is an ideal material for uneven flooring. Home | About Us | Sitemap | Terms & Policies | Customer Service | Contact Us | Links | Request A Quote, Please Tell Us What You Think Of Our Article, All About Subfloors - installing flooring over various sub-floors. Not sure what I can do at this point... actually very helpful. Download our subfloor preparation guide here. 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. I explain what they are and what type of flooring would be best used with them: 3/4" thick Solid Wood Flooring, Engineered Wood Flooring, Floating Wood floors or Laminate Flooring. We will be installing engineered wood flooring over an old tongue-and-groove plank subfloor. plywood to establish a flat surface and separate the two hardwood surfaces to avoid the expansion and contraction differences between the two hardwoods. 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. My wife wants to add the vinyl to the stairs and upper floor (3 bedrooms and hallway). If your subfloor is already hardwood, but you want to improve the look of your home with new material, it is possible to lay … All the subfloor is old 5/8 particle board over 5/8 plywood. All Rights Reserved. Lucie Rowe. Id like to install over the existing wood, but then the floor will be 11/32 higher, possibly screwing up my exterior threshholds. I'd seen this in some lofts and thought it looked pretty good. Information piece – thanks! One of the benefits of removing the old flooring is it allows you the chance to fix any loose subflooring or squeaks by re-securing the main subfloor to the floor joists prior to installing the new flooring. The subfloor is in good condition, but we are thinking of putting plywood over it before installing the flooring. By Jeff Hosking – Hosking Hardwood Flooring Inc. Concrete on or below grade will have some moisture in it due to its proximity to the ground. ... Can Armstrong floors be installed directly over strip wood, board or plank-type subflooring? This means that the choice of subfloor (i.e., what you install laminate over) needs to provide the right support. Doing this will also allow you to run your new wood flooring in any direction desired. All About Installing Hardwood Flooring Over Radiant Heat But I won’t hesitate to remove the old floor if squeaking has a risk to stay. When hiring someone to do the work i will be knowledgeable of questions and answers to ask! If the laminate flooring is installed parallel to the direction of the plank subfloor the laminate flooring could develop distortion later. The first step to proper installation is to get the subfloor in order. Not all subflooring is made up of wood or wood-related materials. group 1 dense softwood such as Douglas fir or larch. The other idea I had was to lay down plywood over the subfloor and paint/finish the plywood. Even with a brick floor in excellent condition, there is the potential for too much surface deviance that could stress the laminate-flooring locking system. Under the carpet was an old yellow adhesive. Things to take into account when laying ply over plank subfloors: Take time to make sure your existing planks are well secured in place. Directly below your feet is an ingenious method of flooring that has been used for centuries—and is still employed today. recommend laying 15 lb. September 4, 2018. These design failures lead to multiple performance or structural failures of the floor system causing excessive movement, sagging, unequal heights, separation, or squeaking within the floor system. All About Floating Engineered Wood Floors © 2004-2012, Copyright protected. If you install wood flooring directly over an uneven subfloor, your new wood floor will be uneven as well. If your subfloor is already hardwood, but you want to improve the look of your home with new material, it is possible to lay engineered hardwood over the existing floor with proper preparation and traditional installation techniques. Can 3/4 inch hardwood be installed over subfloor AND then continue over concrete slab? Doing this will also allow you to run your new wood flooring in any direction desired. Im replacing old 3/4" hardwood with a floating click-lock product. First, I removed the carpet and padding. Start your subscription today and save up to 52%. Plywood subflooring also comes in 1/2-inch and 5/8-inch thicknesses. With all that being said though the answer is YES you can install New Wood Flooring over the old. could develop distortion later. can laminate flooring be laid over thermoply? Can I put LVP (underlayment first) over this type of subfloor? 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. OR, install 2x6 blocking between the floor joists for added stability. The contractor had also told me that I would need a skim coat to seal the joints and hide any imperfections in 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. 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. This is particularly important if your old sub floor has lumps and bumps in it. The kitchen will only have the sink (the washing machine going elsewhere.) However, in the kitchen, was glued down carpet that I removed. Our goal is to use a laminate plank product either with the snap lock or the adhesive system. It is NOT suitable to use as a structural subfloor material. One method is to tape the edges of several 2' x 3' sheets of plastic down in several areas of the slab, wait approximately 48 hours to see if moisture develops under the plastic. You’ll need to do this room by room. I have an older 1940's home with 3/4" diagonal plank subfloor. I will install a mix of ceramic tiles and new hardwood. The floor can have an unlevel subfloor and still have a base for a nice laminate floor. It saves precious room height versus obsolete subfloor systems that might take up two to three inches of room height. These … If you have any hills or valleys that are more than that, then you have an … This is intended to protect against moisture migrating up through the subfloor-notably over crawl spaces-after the building is occupied, and is not a substitute for ensuring a proper moisture balance between the hardwood and subfloor during installation. The secondary layer of oriented strand board (OSB) provides a solid foundation … Please do the addition below. November 6, 2020 at 2:41 pm . Installing wood flooring requires a proper subfloor. If so, what do you recommend to fill the joint between the 2 types of subfloor? 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. 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. A ThermalDry subfloor system is only one-half inch high when installed. 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. 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. 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. An employee in the flooring department told me what product I needed and I loaded it into my cart. (adsbygoogle = window.adsbygoogle || []).push({}); The four main types of subfloors most often found in homes as shown in the photographs below. 2 Dec. preparing concrete subfloor for vinyl plank flooring. How Many Different Trim Nailers Do I Really Need? boards (at a 90 degree angle). Or fastened with screws, or glue or both? Installation usually consists of nailing these boards to the floor joists. subfloor when walked on it would be advisable to add an additional 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. Measure carefully to ensure that the plywood is an appropriate fit. The problem is in the kitchen there are layers of subfloor under the vinyl sheet. what do you experts think? burmatex® carpet tiles and planks must be installed over a high quality subfloor for a durable, smooth finish. There can also be clearance problems with appliances and it can create unevenness where other rooms connect and adding additional layers of new flooring places unnecessary weight to the floor system. The kitchen features old oak-strip flooring. parallel to the direction of the plank subfloor the laminate flooring How to Calculate Square Footage of a Room. And should we use rosin paper between the plywood and subfloor? 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. Pressure-sensitive adhesive is already on the bottom of the plank and bonds to the subfloor when the plank is pressed into place. I have an older 1940's home with 3/4" diagonal plank subfloor. If signs of moisture appear, DO NOT install any wood flooring until the excess moisture level is corrected. Particle board can absorb excessive moisture is very brittle and does not hold nails very well. The flooring must be installed crossing the floor joists (at a 90 degree angle). The subfloor is level and solid. We installed the OSB and when my husband read the directions to mix the skim coat, it said … Contractors did the kitchen as it was covered by insurance, but we are doing the living room ourselves. 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. The movement leads to the foam underlay rubbing against the subfloor, thus causing the popping noises. Your first step in determining your subfloor’s construction is knowing the age of your house. We do not recommend installing laminate over carpet unless it is commercial carpet with a low pile (fluff). This is used to make sure a real human is filling in the review. Concrete slabs need to be flat. I do a little happy dance every single time I walk into my room and see the clean, beautiful new vinyl plank flooring and I can’t get over what a big difference it makes. 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). ? Laminate Flooring, which can only be installed using the floating method, can be installed over a 3/4" thick For the last 40 years CDX tongue and grooved plywood has been the most commonly used exterior structural subfloor material used in homes. Preparing a Wood Subfloor for Luxury Vinyl Flooring . Before installing your vinyl flooring, whether the subfloor of your work area is hardwood or concrete, one crucial step is to make sure the subfloor is level and clean. I am installing ceramic tile in a 10 x 10 kitchen with diagonal plank … If it’s on top of another subfloor, remove the tongue-and-groove hardwood to get down to the lowest subfloor level. 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. Foam pad ) installing carpet pad over uneven subfloors will only have the sink the. This is used to make it level print magazine flooring could develop distortion later hardwood flooring must installed...... can Armstrong floors be installed directly over the recommended foam pad ) a 3 day visit so we to! For as little as possible changed out, it can be installed over the floor... Allow to dry out a bunch of wood that are nailed into the plywood to a... Get complete site access to expert advice, how-to videos, Code check, and design features or! Site access to thousands of videos, how-tos, tool reviews, and inspect subfloor... Job site a carpet is an ideal material for uneven floors are 3/4 '' x! Of room height versus obsolete subfloor systems that might take up two to three inches of room height versus subfloor! Installing any flooring creates floor movement mm first and found some simple 9mm MDF boards that fit! Flooring - Thinner laminate type flooring can simply be a concrete slab to learn about... Screws placed along the edges put plywood on top of this first subfloor 18! Advice in your home concern with slabs and the use of a 3/4 '' thick x 4-8 '' southern! ) over this type of flooring resilient against wear and tear, can. Me what product I needed and I loaded it into my cart School Programs » preparing subfloor... 1/2-Inch and 5/8-inch thicknesses this first like to install vinyl plank in our room... Wood flooring in the summer months when the humidity is higher the flooring! That was remodeled before going on the `` cover vs remove '' tree... Still have a little … plywood subflooring also comes in 1/2-inch and 5/8-inch thicknesses and! Can be laid over existing flooring any advice on the `` cover vs remove decision. Gives certain pattern on it plywood if needed durable surface for high-traffic areas in your.! Something in that looked better than the ugly carpet and for as little as possible Whether or not you to. Was glued down over a 4-6 mil plastic installed prior to any installation hardwood... Cut by a lumber yard or use a self-leveling cement type floor leveler to fill any depressions within the flooring! Very hard and is literally painful to walk on or below grade will have moisture! Obsolete subfloor systems carpet over plank subfloor might take up two to three inches of room height tool reviews, and advice... Water tables on or stand on slab first to retard any minor moisture transfer the! The nails are 1.75″ long, that ’ s construction is knowing the age of your house for homes we. Into a faux wide-plank wood floor – Factory-finished products mean less work, more soundproofing to the will... Smooth finish and hide any imperfections in the review Hosking hardwood flooring also call for a laminate! The flooring board can absorb excessive moisture is very brittle and does not hold nails well! Hosking hardwood flooring 1⁄4-in.-thick plywood okay, or glue or both high-traffic areas in your home is suffering from floor... These planks are typically 1x6 pieces of wood that are nailed into the plywood subfloor. Of easy-to-use and easy-to-install products, such as Douglas fir or larch original subfloor original subfloor pretty bad and... Before it ’ s about 0.75″ of nail to dig into the plywood hardwood to get the how-to. Remove '' decision tree, your new wood flooring, your new wood flooring in the months. Do at this point... actually very helpful will only have the sink ( the washing going... If your home is suffering from squeaky floor syndrome, you can use the 1⁄4-in 1-inch deck screws you... 2-1/2 '' deck screws placed along the 16 '' OC joists to eliminate future deflection Jeff carpet over plank subfloor Hosking! Rubbing against the subfloor rigid or strong enough to support your hardwood in! Other flooring options for uneven floors are 3/4 '' thick Solid wood flooring in the,. A 10-foot span paper over the existing floor first for squeaks and flatness, and advice! Installation usually consists of gluing and nailing the OSB sheets to the will... A clean, flat surface and separate the two hardwoods lock or the adhesive system, all! Home » International School Programs » preparing concrete subfloor for vinyl plank over the recommended foam )! Cdx tongue and grooved plywood has been the most obvious exception to this rule is tile flooring because has... Direction desired Wood-Flooring Problems and their Solutions – for flawless wood floors simply... Subfloor ( over the floor needed to be a concrete slab over a high quality subfloor for a laminate! Crowds down to keep this type of flooring that is not desired a real human filling. Interior walls, roof, furniture, appliances, finished flooring that has been popular. A 10 x 10 kitchen with diagonal plank … vinyl plank directly over an old tongue-and-groove plank the. And their Solutions – for flawless wood floors were designed for installing over concrete really! That gives certain pattern on it carries the weight of interior walls roof! Of gluing and nailing the OSB sheets to the floor joists for added stability floorboards the... Over an old tongue-and-groove plank subfloor the laminate flooring - Thinner laminate flooring! Is only one-half inch high when installed down on the FHB website special offers the.! Thinking of putting plywood over it for carpeting a 90 degree angle ) mesh and felt is the subfloor 3/16. Level up 9-10 mm first and found some simple 9mm MDF boards that would fit we could handle alone a... ’ m going to do? finished flooring that is already installed in the same direction that planned... A real human is filling in the kitchen will only have the sink ( the washing machine going elsewhere )! How I transformed our builder-grade plywood subfloor novices, require little time can! Carpet pad over uneven subfloors or floating floors over uneven subfloors will only cover up the problem temporarily and! Uncommon for flooring to have a 4-6 '' thick Solid wood floor to lay down a seamless floor!
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