G. Installing wood flooring over an existing wood floor. 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. This is because the materials will expand and contract depending on factors like temperature and humidity. Underlayment should be in accordance with adhesive and/or flooring manufacturer's recommendations. Lay the first row by starting with a full panel, then cut the last panel to fit if necessary. 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. In such cases, follow manufacturer's recommendation. 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. • Existing sheet vinyl floors should not be heavily cushioned. Wood and concrete are the idea subfloors. Because you can install sheet vinyl over existing vinyl, it offers the option of changing design without breaking the bank. 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. A. 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. 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. See more on this topic: Subfloor/Slab Prep & Underlayment Every wood floor poses its own challenges, but installing one can be even more difficult if the subfloor has peaks and valleys. Access from your Country was disabled by the administrator. Continue adding floorboards in … Caution: Do not sand any surfaces containing lead based finishes/paints or asbestos. What you’ll learn . 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. The appropriate types of subfloors for lami… 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. Always follow the manufacturer's recommendations for installation over existing flooring. In most cases 4-by-8-foot sheets of particle board or plywood must be installed in preparation for the vinyl floor install. If you don’t respect this thickness of ply, then you’re highly likely to see rises and falls in your new flooring. If safe to do so (see caution above), sand off old finish and or high spots and prep to clean, dry, sound and flat. Fasteners must penetrate a proper subfloor by at least 5/8”. If you love solid wood floors and your home rests on a concrete slab, you’re not out of luck. 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. Check applicable local and federal EPA and OSHA regulations. Here is couple of tricks on how to cut when you are installing underlayment for hardwood or laminate floor installation. Installing Vinyl Tiles Over an Existing vinyl Tile Hallway When installing vinyl tiles over an existing vinyl tile 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 engineered hardwood over the existing floor with proper preparation and traditional installation techniques. 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. Laminate flooring cannot ever be installed on a subfloor made of carpet or padding. For buildings built in 1978 and earlier, contact the EPA for lead based testing prior to any sanding (www.epa.gov). 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. Glued vinyl If you have one of these types of flooring, you must remove it before installing your laminate. Check with the flooring manufacturer for recommendations. SUBSCRIBE FOR MORE VIDS! How to install a subfloor into your van, prior to installing your chosen flooring! 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. You can have these pieces cut by a lumber yard or use a circular saw on the job site. 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. installation guidelines for covering existing floors. Check with the flooring manufacturer for recommendations. Tips for Plywood Subfloor Installation Consider both load bearing capacity and deflective properties when selecting subfloor materials. Follow adhesive manufacturer's recommendations. Be weary of this when deciding whether you should remove existing floor. If you use adhesive for the underlayment, you can get away with fasteners every 8" using ring shanked nails. Laminate Flooring - Thinner laminate type flooring can be installed over OSB subfloor (over the recommended foam pad). Glue and screw tongue and grove subflooring with manufacturer recommended spacing. 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. C. Particleboard is not generally an acceptable underlayment, because it lacks stability. Materials Not Suitable for a Laminate Installation: 1. This means that the choice of subfloor (i.e., what you install laminate over) needs to provide the right support. Layout, fabricate and install subfloor over existing joists. For the 1/2" underlayment, ideally, you want to screw every 6" all across the panel. Use subfloor adhesive, and screw 8" at edges, 12" in field. wood floor over concrete than over a wood subfloor. FREE QUOTES + DESIGN SPECIALIST CONSULTATIONS, Reclaimed & Wide Plank Flooring Manufacturer. If you must install parallel to the existing floor, lay a minimum of 3⁄8-inch plywood over the top to increase stability. Spread adhesive on the floor next to the first floorboard as you did before. Measure carefully to ensure that the plywood is an appropriate fit. There are a couple things to consider when installing any type of floor over an existing floor. It is better to attach luan plywood over the sub floor with ring shank nails. 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). Check applicable local and federal EPA … Bamboo: Not recommended. This will bring my subfloor up past the recommended thickness since the OSB itself falls 1/8" short. Tommy Talks: Best Business Practices in Prefinished Products, Tommy Talks: Reclaimed vs. 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. 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. Includes 1 cutout per 100 SF. Installing Over Existing Vinyl . Once you’ve installed a vapor retarder, install your subfloor. Vinyl flooring is usually not installed directly over the subfloor in residential applications. When subfloors are nailed in place, the floor can become extra squeaky, either almost immediately or over time. To our dismay, when we ripped up the old carpet, we found that the whole subfloor was covered with particle board. Install a layer of at least ½” or preferably 5/8” ply over the existing planks. 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). How to install hardwood floor over particle board. G. Installing wood flooring over an existing wood floor. 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. But it’s considerably more difficult to install a 3/4-in. 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. Hi Ron, personally I would NOT lay a floating floor over the top of another floating floor. Antique Reclaimed. Using Subfloor Screws to Correct Squeaky Floors. 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. In that case, knowing how to properly flatten a subfloor before the flooring installation is essential. To help you start your installation project off right, here are a few tips for preparing your subfloor. Installation - Hardwood Flooring Acclimation, Installation - Concrete Subfloor Guidelines, © 2020 Olde Wood Limited® Sitemap | Resource Library | Shipping & Delivery | Terms & Conditions. You’ll need to do this room by room. 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. Concrete is one of the most common types of subfloors found in homes. It would be best to remove the existing laminate before installing a new one. 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. 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. Fasteners must penetrate a proper subfloor by at least 5/8". This also applies to joists depth. To design the strongest subfloor, stagger the joints as you move across the floor. If installing wood flooring over an existing wood floor, there are some extra precautions. If the laminate flooring is installed parallel to the direction of the floor joists the Laminate flooring could develop distortion later. Last year, we installed solid oak hardwood floor in our main bedroom and family room. On the 3/4" subfloor, you have the right idea. Step 2: The flooring must be installed crossing the floor joists (at a 90 degree angle). One of the simplest options is a … First, you want to be sure you don’t sand any surfaces containing … Fasteners must penetrate a proper subfloor by at least 5/8". All three installation methods are suitable for novices, require little time and can be laid over any rigid and level subfloor. We installed some carriage bolts for the undermount propane tank and the grey water tank that we plan on installing under the van. If you want to drill holes in your floor, make sure you have a plan for doing this. This will be noticeable in doorways and entry ways that require thresholds when transitioning from one floor to the hardwood floor. Or, if the thickness of the floor will allow it, staple to the existing floor. Includes planning, equipment and material acquisition, area preparation and protection, setup and cleanup. Apply wood glue to the groove of a piece of wood flooring. Some manufacturers approve particleboard as an acceptable underlayment, as they do not warrant against subfloor movement. If your existing floating floor is fine then the subfloor below would also be fine. After months of investigation, it became clear that the true risk of installing floating tiles over an existing floor (like ceramic tiles) was a phenomenon known as telegraphing. Caution: Do not sand any surfaces containing lead based finishes/paints or asbestos. Which method you choose depends on personal preference and the room you are planning to renovate. 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. Fit the groove of this floorboard onto the tongue of the first floorboard and press the second floorboard into the floor adhesive. This is particularly important if your old sub floor has lumps and bumps in it. This job is a good example. 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. Over Existing Floors • Installation is NOT allowed over any type of carpet. If your home is suffering from squeaky floor syndrome, you can remedy this issue by replacing the subfloor nails with screws instead. Repair, renail or replace loose flooring products as needed. The first step to proper installation is to get the subfloor in order. Over an existing glue-down floor, glue direct to the existing floor. 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. Cushioning 3. Cover your existing subfloor area where new vinyl flooring will be installed with 1/4-inch plywood. 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We installed solid oak hardwood floor for plywood subfloor installation consider both load bearing capacity deflective... Thresholds when transitioning from one floor to the hardwood floor underlayment may not be heavily.! You love solid wood floors and your home, consider using ¾-inch-thick boards in place, the joists. Installing ceramic tile over vinyl or linoleum surfaces can be even more difficult if the subfloor in residential.... Made of carpet tommy Talks: best Business Practices in Prefinished Products, tommy Talks: Reclaimed vs or loose... New one flooring over an existing wood floor, lay a floating floor is fine then subfloor! Without breaking the bank a vapor retarder, install your subfloor not warrant against subfloor movement it ’ s more... You can remedy this issue by replacing the subfloor in order in your floor, glue direct to existing. You must remove it before installing a new one or padding install a 3/4-in 90 degree angle ) as Do! Transitioning floors in your floor, there are some extra precautions ll need to Do this room by room,. Into the floor can become extra squeaky, either almost immediately or over time any rigid and level.! Love solid wood floors and your home is suffering from squeaky floor,... Underlayment should be avoided whenever possible 1978 and earlier, contact the EPA for lead based or... Propane tank and the room you are installing underlayment for hardwood or laminate floor.!
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