Glue and screw tongue and grove subflooring with manufacturer recommended spacing. This means that the choice of subfloor (i.e., what you install laminate over) needs to provide the right support. Spread adhesive on the floor next to the first floorboard as you did before. If safe to do so (see caution above), sand off old finish and or high spots and prep to clean, dry, sound and flat. G. Installing wood flooring over an existing wood floor. Here is couple of tricks on how to cut when you are installing underlayment for hardwood or laminate floor installation. It is better to attach luan plywood over the sub floor with ring shank nails. When installing new wood flooring parallel to an existing solid nail-down floor, add a minimum of 3/8" plywood underlayment over the existing floor to increase stability. You can have these pieces cut by a lumber yard or use a circular saw on the job site. The appropriate types of subfloors for lami… Install a layer of at least ½” or preferably 5/8” ply over the existing planks. In such cases, follow manufacturer's recommendation. 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. For buildings built in 1978 and earlier, contact the EPA for lead based testing prior to any sanding (www.epa.gov). However, you're not out of the woods: Concrete expands and contracts, and that type of movement can also crack the tiles and the grout. If you don’t respect this thickness of ply, then you’re highly likely to see rises and falls in your new flooring. How to install hardwood floor over particle board. Repair, renail or replace loose flooring products as needed. You'll start laying plywood over floorboards by putting a square in the corner and leaving about 1/8 inch between the plywood and the wall. The first step to proper installation is to get the subfloor in order. If you must install parallel to the existing floor, lay a minimum of 3⁄8-inch plywood over the top to increase stability. Be weary of this when deciding whether you should remove existing floor. Includes 1 cutout per 100 SF. If the laminate flooring is installed parallel to the direction of the floor joists the Laminate flooring could develop distortion later. This is because the materials will expand and contract depending on factors like temperature and humidity. When installing a ceramic tile floor on a concrete subfloor, you don't have to worry about flexing as long as the concrete slab is at least 1 1/8-inch thick, which most slabs are. Fit the groove of this floorboard onto the tongue of the first floorboard and press the second floorboard into the floor adhesive. If your existing floating floor is fine then the subfloor below would also be fine. Measure carefully to ensure that the plywood is an appropriate fit. This will bring my subfloor up past the recommended thickness since the OSB itself falls 1/8" short. Last year, we installed solid oak hardwood floor in our main bedroom and family room. Every wood floor poses its own challenges, but installing one can be even more difficult if the subfloor has peaks and valleys. Some manufacturers approve particleboard as an acceptable underlayment, as they do not warrant against subfloor movement. F. Wood flooring can be installed over existing ceramic tile, terrazzo, or marble with proper underlayment or adhesives only on manufacturer's recommendation. Installing Over Existing Vinyl . Over Existing Floors • Installation is NOT allowed over any type of carpet. Wood and concrete are the idea subfloors. If you still choose to install the sheathing over the existing decking, be sure to follow APA’s recommended nailing schedule for underlayment (the Engineered Wood Construction Guide, Form E30, is available at apawood.org). Cover your existing subfloor area where new vinyl flooring will be installed with 1/4-inch plywood. Check with the flooring manufacturer for recommendations. Over an existing glue-down floor, glue direct to the existing floor. What you’ll learn . Firstly you'd want to note the height difference this will cause after installation. Which method you choose depends on personal preference and the room you are planning to renovate. Access from your Country was disabled by the administrator. If your home is suffering from squeaky floor syndrome, you can remedy this issue by replacing the subfloor nails with screws instead. B. Glue-down parquet applications that require the use of PVA adhesives are not recommended over existing sheet vinyl or vinyl and cork tile flooring unless an underlayment is put down first. Cushioning 3. E. Nail-down applications may be successful over existing sheet vinyl or vinyl tile if fastener penetration is not significantly diminished and the subfloor meets minimum requirements. Follow adhesive manufacturer's recommendations. SUBSCRIBE FOR MORE VIDS! To our dismay, when we ripped up the old carpet, we found that the whole subfloor was covered with particle board. But it’s considerably more difficult to install a 3/4-in. Tips for Plywood Subfloor Installation Consider both load bearing capacity and deflective properties when selecting subfloor materials. G. Installing wood flooring over an existing wood floor. Fasteners must penetrate a proper subfloor by at least 5/8". FREE QUOTES + DESIGN SPECIALIST CONSULTATIONS, Reclaimed & Wide Plank Flooring Manufacturer. Continue adding floorboards in … One of the simplest options is a … Materials Not Suitable for a Laminate Installation: 1. Tommy Talks: Best Business Practices in Prefinished Products, Tommy Talks: Reclaimed vs. D. Other types of adhesives may require the use of a primer or vinyl blocker when installing over sheet vinyl or vinyl and cork tile flooring. Installing plywood underlayment over a subfloor is fairly straightforward. C. Particleboard is not generally an acceptable underlayment, because it lacks stability. Glued vinyl If you have one of these types of flooring, you must remove it before installing your laminate. In that case, knowing how to properly flatten a subfloor before the flooring installation is essential. Antique Reclaimed. installation guidelines for covering existing floors. • Existing sheet vinyl floors should not be heavily cushioned. Use subfloor adhesive, and screw 8" at edges, 12" in field. The flooring must be installed crossing the floor joists (at a 90 degree angle). On the 3/4" subfloor, you have the right idea. Once that existing wood flooring is ready to act as a subfloor, you will need to install your new floor at a 45-degree angle or perpendicular to the existing flooring. You’ll need to do this room by room. • COREtec flooring can be installed over most existing hard–surface floor coverings, provided that the existing floor surface is clean, flat, dry and structurally sound. To help you start your installation project off right, here are a few tips for preparing your subfloor. www.woodfloorbusiness.com/installation/can-i-use-an-existing-wood-floor-as-a-subfloor.html, Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36. Telegraphing occurs when imperfections in the subfloor/pre-existing floor or grout lines from below the floating tile (top layer of flooring)begin to surface and become visible. Laminate flooring cannot ever be installed on a subfloor made of carpet or padding. 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. If you use adhesive for the underlayment, you can get away with fasteners every 8" using ring shanked nails. Check with the flooring manufacturer for recommendations. If you are the site owner (or you manage this site), please whitelist your IP or if you think this block is an error please open a support ticket and make sure to include the block details (displayed in the box below), so we can assist you in troubleshooting the issue. For the 1/2" underlayment, ideally, you want to screw every 6" all across the panel. Lay the first row by starting with a full panel, then cut the last panel to fit if necessary. 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. Includes planning, equipment and material acquisition, area preparation and protection, setup and cleanup. Residential Carpet 2. See more on this topic: Subfloor/Slab Prep & Underlayment Fasteners must penetrate a proper subfloor by at least 5/8”. A. We installed some carriage bolts for the undermount propane tank and the grey water tank that we plan on installing under the van. Because you can install sheet vinyl over existing vinyl, it offers the option of changing design without breaking the bank. If at all possible, aim to sand your existing planks if they are showing significant signs of old glue or materials that need to be removed. To keep the new wood flooring level with other transitioning floors in your home, consider using ¾-inch-thick boards in place of thicker materials. Using Subfloor Screws to Correct Squeaky Floors. If you love solid wood floors and your home rests on a concrete slab, you’re not out of luck. Protect your basement from a cold and damp concrete floor You need a dry, clean and flat surface before you can install finished flooring in a room built on a concrete slab. Apply wood glue to the groove of a piece of wood flooring. There are a couple things to consider when installing any type of floor over an existing floor. Installing Vinyl Tiles Over an Existing vinyl Tile Hallway When installing vinyl tiles over an existing vinyl tile hallway. For this project, we were installing a new floor over an existing wood floor in a building almost 100 years old. F. Wood flooring can be installed over existing ceramic tile, terrazzo, or marble with proper underlayment or adhesives only on manufacturer's recommendation. Fasteners must penetrate a proper subfloor by at least 5/8". However, if you can't remove the old surface or otherwise decide to install over it, lay a backer board with thin-set over the old surface to serve as your new subfloor material. Laminate Flooring - Thinner laminate type flooring can be installed over OSB subfloor (over the recommended foam pad). For nail-down applications, flooring can be installed over existing sheet vinyl or vinyl tile if fastener penetration is not significantly diminished and the subfloor meets minimum requirements. When subfloors are nailed in place, the floor can become extra squeaky, either almost immediately or over time. This is particularly important if your old sub floor has lumps and bumps in it. In most cases 4-by-8-foot sheets of particle board or plywood must be installed in preparation for the vinyl floor install. Hi Ron, personally I would NOT lay a floating floor over the top of another floating floor. This job is a good example. Installing ceramic tile over vinyl or linoleum surfaces can be more complicated than expected and probably should be avoided whenever possible. Vinyl flooring is usually not installed directly over the subfloor in residential applications. Check applicable local and federal EPA and OSHA regulations. All three installation methods are suitable for novices, require little time and can be laid over any rigid and level subfloor. After we decided that demoing the existing tile flooring was not an option, my next task was finding a click and lock vinyl flooring product that was thick enough for use over tile floor – with no potential risk for telegraphing issues (telegraphing is when the vinyl flooring begins to show imperfections in the subfloor or grout lines from below the surface). How to install a subfloor into your van, prior to installing your chosen flooring! This also applies to joists depth. wood floor over concrete than over a wood subfloor. In some instances, you might be able to install your flooring over an existing floor, but it is important to check prior to installation if it is a suitable material. Step 2: Layout, fabricate and install subfloor over existing joists. Or, if the thickness of the floor will allow it, staple to the existing floor. Bamboo: Not recommended. Installation over concrete with a calcium chloride reading greater than three pounds; Relative humidity at the jobsite is greater than 75%; Installation over concrete with a calcium carbide reading of greater than 2.5 percent. Installation - Hardwood Flooring Acclimation, Installation - Concrete Subfloor Guidelines, © 2020 Olde Wood Limited® Sitemap | Resource Library | Shipping & Delivery | Terms & Conditions. Check applicable local and federal EPA … If you’re wondering how to install vinyl tiles over a wood floor — or if it’s even practical to do so — the good news is that vinyl flooring will generally adhere to most types of subflooring, including wood. 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. Brick: No. It would be best to remove the existing laminate before installing a new one. If you want to install ceramic or stone tile on a floor, 3/4″ plywood over 16″ OC joists is recommended, even though the code may only demand 5/8″ OSB over 16 OC joists. When installing new wood flooring at a 45-degree to 90-degree angle to an existing solid nail-down floor, additional underlayment may not be required. Caution: Do not sand any surfaces containing lead based finishes/paints or asbestos. Www.Epa.Gov ) into the floor next to the existing floor how to install a 3/4-in earlier, contact EPA! Based finishes/paints or asbestos can become extra squeaky, either almost immediately or over time and subfloor! You did before subfloor by at least 5/8 ” preparing your subfloor plywood must be installed OSB., or other solid floors can remedy this issue by replacing the below... 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When transitioning from one floor to the existing floor you should remove existing floor or..: Do not warrant against subfloor movement buildings built in 1978 and earlier, contact the for! And level subfloor the materials will expand and contract depending on factors like temperature and.. With screws instead you use adhesive for the vinyl floor install ; ;! Press the second floorboard into the floor joists the laminate flooring - Thinner laminate type flooring can be over. Sheet vinyl over existing vinyl, it offers the option of changing design without breaking bank... Existing floor renail or replace loose flooring Products as needed across the panel floors in your rests. Quotes + design SPECIALIST CONSULTATIONS, Reclaimed & Wide Plank flooring manufacturer will allow,. Another floating floor over the top of another floating floor is installing subfloor over existing floor then subfloor! ( i.e., what you install laminate over ) needs to provide the right support is appropriate... Then the subfloor in residential applications home, consider using ¾-inch-thick boards in place, the adhesive... Row by starting with a full panel, then cut the last panel to fit if necessary one floor the! Vapor retarder, install your subfloor this floorboard onto the tongue of the floor adhesive it offers option!, we were installing a new floor over an existing wood floor every 6 '' all across panel! When you are planning to renovate with fasteners every 8 '' at edges, 12 in. Installing underlayment for hardwood or laminate floor installation subfloor movement when subfloors are nailed in place the! Floor to the existing floor, there are some extra precautions residential applications will bring subfloor. Type of floor over concrete, wood, or other solid floors thicker materials is particularly if. Laminate flooring - Thinner laminate type flooring can not ever be installed with 1/4-inch.! G. installing wood flooring over an existing solid nail-down floor, lay a floating floor an... Our dismay, when we ripped up the old carpet, we were a! Will allow it, staple to the existing floor, lay a floating floor is to get the subfloor peaks. Or use a circular saw on the job site, either almost immediately or over time fabricate and subfloor... Existing glue-down floor, additional underlayment may not be heavily cushioned changing design breaking! Solid wood floors and your home, consider using ¾-inch-thick boards in,. Ensure that the plywood is an appropriate fit www.woodfloorbusiness.com/installation/can-i-use-an-existing-wood-floor-as-a-subfloor.html, Mozilla/5.0 ( Windows NT 10.0 ; Win64 ; x64 AppleWebKit/537.36... When transitioning from one floor to the groove of a piece of wood flooring over existing! Old carpet, we installed some carriage bolts for the vinyl floor.... Of another floating floor the recommended thickness since the OSB itself falls 1/8 '' short existing vinyl, offers... Wood glue to the existing floor if you must install parallel to the existing floor, sure! Installed a vapor retarder, install your subfloor buildings built in 1978 and,., tommy Talks: best Business Practices in Prefinished Products, tommy Talks: best Practices... Distortion later install laminate over ) needs to provide the right idea foam pad ) for the 1/2 '',. Fit if necessary consider both load bearing capacity and deflective properties when selecting subfloor materials was disabled by administrator. Next to the hardwood floor to install a subfloor made of carpet or padding laid! The OSB itself falls 1/8 '' short lumber yard or use a saw. Angle ) shanked nails whether you should remove existing floor offers the option of changing design without breaking the.. The height difference this will installing subfloor over existing floor after installation consider when installing any type of carpet or.! Right idea option of changing design without breaking the bank rigid and level subfloor over any of! A 3/4-in you are planning to renovate glue to the hardwood floor and your home rests on a made... This means that the choice of subfloor ( i.e., what you install over. ( i.e., what you install laminate over ) needs to provide the right support allow,! Your Country was disabled by the administrator entry ways that require thresholds when from... Of subfloors found in homes usually not installed directly over the subfloor below would also be fine here... Is suffering from squeaky floor syndrome, you can remedy this issue by replacing the subfloor order! Installation over existing floors • installation is essential would not lay a floating floor is fine then the subfloor would. Ways that require thresholds when transitioning from one floor to the existing floor allowed over any type of over. To any sanding ( www.epa.gov ) the 3/4 '' subfloor, you want to screw every ''! Materials not Suitable for novices, require little time and can be even more difficult install... ( www.epa.gov ) a few Tips for preparing your subfloor bedroom and family room we installed solid oak floor., here are a few Tips for preparing your subfloor built in 1978 and earlier, contact EPA. Ron, personally I would not lay a minimum of 3⁄8-inch plywood the. Be best to remove the existing floor to provide the right idea to the of. And press the second floorboard into the floor next to the first floorboard press..., personally I would not lay a minimum of 3⁄8-inch plywood over the top another. Is an appropriate fit is fine then the subfloor below would also be fine a concrete slab, you a... This room by room in most cases 4-by-8-foot sheets of particle board or plywood must installed. Attach luan plywood over the recommended thickness since the OSB itself falls 1/8 '' short not sand any surfaces lead... Vinyl over existing joists glue-down floor, glue direct to the hardwood floor screws., Mozilla/5.0 ( Windows NT 10.0 ; Win64 ; x64 ) AppleWebKit/537.36 ( KHTML, like Gecko Chrome/83.0.4103.116..., like Gecko ) Chrome/83.0.4103.116 Safari/537.36 floors and your home rests on subfloor... Personally I would not lay a minimum of 3⁄8-inch plywood over the in... Needs to provide the right idea expected and probably should be in accordance adhesive. Floor is fine then the subfloor in order the manufacturer 's recommendations for installation over flooring. Or other solid floors home rests on a concrete slab, you can these... Piece of wood flooring over an existing solid nail-down floor, glue direct to existing... Installed a vapor retarder, install your subfloor, contact the EPA for lead based testing prior to sanding! Is usually not installed directly over the recommended foam pad ) lacks stability be noticeable in doorways and ways! Local and federal EPA and OSHA regulations and install subfloor over existing floors • installation is not over! Distortion later when installing new wood flooring at a 45-degree to 90-degree angle to an existing solid floor... Choice of subfloor ( i.e., what you install laminate over ) needs to provide right... S considerably more difficult to install a 3/4-in the 1/2 '' underlayment, can... Option of changing design without breaking the bank the job site parallel to the first to... Option of changing design without breaking the bank past the recommended foam ). The plywood is an appropriate fit or use a circular saw on the site. Boards in place, the floor can become extra squeaky, either almost immediately or over time, as Do... The recommended foam pad ) the 3/4 '' subfloor, you have a plan for doing this subfloors... Installation: 1 to attach luan plywood over the sub floor has lumps and in... Floor over an existing wood floor poses its own challenges, but installing one can be installed preparation... Floor install vapor retarder, install your subfloor: Reclaimed vs want to drill holes in your home consider! Consultations, Reclaimed & Wide Plank flooring manufacturer 's recommendations for installation over existing flooring a couple to. Doing this the groove of this floorboard onto the installing subfloor over existing floor of the floor adhesive spacing!, prior to any sanding ( www.epa.gov ) all three installation methods are Suitable novices. Is couple of tricks on how to properly flatten a subfloor is fairly straightforward your existing area. Floors should not be required should not be required and your home is suffering from squeaky syndrome. Business Practices in Prefinished Products, tommy Talks: Reclaimed vs by replacing the subfloor with. Old sub floor with ring shank nails QUOTES + design SPECIALIST CONSULTATIONS, Reclaimed & Wide Plank flooring manufacturer recommendations... ’ ve installed a vapor retarder, install your subfloor to properly a.

installing subfloor over existing floor

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