When underlays are sandwiched between the subfloor and flooring, it acts to buffer the impact of sound so you can work noiselessly around the room. Underlays are designed to cushion the feet and make walking easier. In some Sub-floors, it may not be necessary, but with a concrete sub-floor, it is a requirement. Read on. Flooring Over Plank Subfloor Whether or not you need plywood underlayment under engineered wood flooring depends on the condition of the original subfloor. It works over concrete or wood subfloors to prevent decay. Because concrete seeps out moisture always, some underlayment is designed with built-in moisture barrier others are not. Vinyl flooring is usually not installed directly over the subfloor in residential applications. Why do I need it on my concrete floor anyway? This means if you want something like laminate or vinyl planks, the concrete sub-floor will actually make your planks colder as well. Prep the subfloor by scraping, smoothening out and vacuuming dirt. Underlayment help achieve a perfect, smooth, sound resistant, classic flooring.Underlayment should help to overcome subfloor imperfections. Make sure the underlayment you get has passed compression set testing. It is one of the most important factors you consider in your choice of underlayment on a concrete floor. IMO it's OK if you don't always hit a joist but you should have 90% of fasteners in joists. Get all about Sawzall Vs Reciprocating Saw: Explore Deference, Milwaukee Chainsaw Review [Special for M18 Fuel Chainsaw]. Friction between the feet and the concrete subfloor can cause wear and tear, and as such the vinyl plank starts filing out. There was a parquet floor that was ripped off and *most* of the black glue was scraped off, however there are still hundreds of small 'bumps' in the ~200sq ft. area. This leaves me with some questions: What type/size screws should I use to re-secure the planks into the floor joists? Either install 1/2-3/4" t&g ply over it (glued & nailed), or cut it out and install new t&g 3/4 subfloor, glued and nailed. On-grade — An on-grade floor is in direct contact with the ground or over a fill in direct contact with the ground. It is one reason why using underlays is perfect for your concrete subfloor. Any other things I should consider? An underlayment that supports the weight and is durable. Plywood underlayment is typically needed when a floor material must have a very smooth, flat surface. Cut off any excess and use a transparent tape to tape down any exposed part. I've read that deck screws are appropriate, but there are so many different types/sizes. Now I had a very stout floor about 2" thick.... Ditra over that, tile over that. Vinyl Tile First, it will give you some added cushion to help make the floor softer to walk on. Underlayment covers subfloor flaws … Issue 286 - Oct/Nov 2019. Should be thick enough to cover up minor unevenness in the subfloor to give a smooth and seamless finish when the flooring is installed. You have a few options: Grind the floor, use a self-leveling compound, or use a subfloor to get it pretty close to even as possible. In concrete subfloors, moisture usually sips from the ground to the concrete, and when this gets to the top flooring it spells disaster. Want to know more about underlayment for vinyl plank flooring on concrete? Chapter 3 — Subfloors and Underlayments Subfloors and Underlayments A. GRADE LEVELS 1. If you decide to go with luxury vinyl plank (float or single-glue down) that is 4mm or thinner, QuietWalk Luxury Vinyl underlayment is an excellent option. While using it is overkill, and may not be necessary for some subfloors, in subfloors like concrete, it is a necessity. I'm in the process of remodeling my 1950s house that has plank subflooring (1/2" or 3/4" not exactly sure). This is a subreddit dedicated to the practice of carpentry in all its forms. It's best to go for something that is not super complicated to install. For wood subfloor, a moisture barrier is unnecessary, but underlayment can provide cushion. Subfloors must be strong and resistant to damage. No need for paper. Although underlayment is often still called subfloor, in reality the subfloor is the thick wood layer that is screwed directly into the floor joists. My experience is no, too much bounce. Throughout the living room + bedrooms there are various types of other flooring that I plan on ripping out down to the plank subfloor … Do you need an underlayment for vinyl plank flooring on wood Press question mark to learn the rest of the keyboard shortcuts. Ensure that the underlayment is not made from toxic materials, hazardous to health. 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). Regarding floor level + flatness, what should I consider? Since there will be a lot of foot traffic, you will need to know how much weight will compress the underlayment. Glue down the underlayment to the subfloor (adhesive must be dry to touch, use a broom to push the S-1841 into the adhesive) or float underlayment over subfloor Underlay comes in-between the sub-floor and the top flooring. What Underlayment is Suitable on Concrete? Just ensure any underlayment you add is thin, so it doesn’t impact the locking process of the vinyl planks. Other times, some use waterproof underlayment for the flooring. So we removed the plywood underlayment to reveal the original subfloor, which is 5 1/2 in wide plank. We decided then to remove the plywood underlayment, as this was at the same level of the existing installed hardwood floors, and laying new 3/4in hardwood floors over that playwood would have created an eyesore of a step off. Things to take into account when laying ply over plank subfloors: Take time to make sure your existing planks are well secured in place. This is particularly important if your old sub floor has lumps and bumps in it. In some Sub-floors, it may not be necessary, but with a concrete sub-floor, it is a requirement. Installing plywood OVER old plank subfloor that has left over cutback glue I am prepping an old plank subfloor from the 60's for a new layer of 3/8" plywood. Particle board underlayment, plank subfloor, hardwood floor installation concerns We have ripped out the carpet throughout our new to us house and have solid hardwood 3/4 inches, red oak, pre-finished 3 1/4 wide planks ordered to install. When installing vinyl plank flooring over existing floor materials, underlayment may not be required, but it can help with cushioning and sound reduction. One that can smoothly go over concrete hiding small imperfections. Underlayment's comes between the sub-floor and the top floor to create perfect and most especially durable flooring. I have used two different underlayment over concrete in the past and modutile is the better product. 2 Step Installation Process by Product. Then I bought about 50 sheets of CCX ply and lots of subfloor glue. Press J to jump to the feed. There are several types of underlayment for this type of flooring, and we’ve seen brands with a thin layer of foam pre-attached as well. Any advantage over screws, or just quicker/easier? Want to know more about underlayment for vinyl plank flooring on concrete? I had concerns about it being slippery but vinyl planks are staying in place. Get all your tools ready (kneepad, scissors. Just like moisture gets through concrete to the top for the top flooring. The floor has tons of squeaks currently, so while I've got the planks exposed I want to take care of that. If you want to screw rule of thumb is take the thickness of the subfloor and double it, you want something at least that long. One with a built-in vapor barrier to prevent moisture entering from the concrete to the vinyl plank. 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’re installing it over concrete and you have a question about moisture issues, consider adding a vapor barrier underlayment first that will product against water problems. We will be installing engineered wood flooring over an old tongue-and-groove plank subfloor. Quick Steps on Installing Underlayment over Concrete, Factors to Consider When Buying a Flooring Underlayment, right flooring transition and set to the right place, Best Chainsaw Under 200 [Budget Friendly High Rated Saw]. I would just fasten with ring shank 8d nails. The underlay can act as a barrier to prevent too much heat being absorbed to the top flooring. When installing the plywood underlayment over the planks, should that be secured into the joists as well? You ask. Throughout the living room + bedrooms there are various types of other flooring that I plan on ripping out down to the plank subfloor to start from a clean slate. Vinyl underlayment is an optional add on to click lock vinyls that are 4mm or thicker. Choose something durable, affordable and easy to install. Timber-framing, framing, trim, fascia, soffits, and the myriad jobs a carpenter undertakes are all subjects worthy of discussion. In either case, then you can install 1/2" cement board. You have got this beautiful vinyl plank to layout and just about to do so, but wait, you seem to have something missing, your underlayment. Depending on what flooring you're putting down you might want to consider floor level and flatness at this point before attaching the ply. Depending on your flooring choice, we recommend QuietWalk underlayment for all floating floors such as laminate or floating engineered that is 5mm or thicker. The best underlayment should have features that provide increased sound absorption, smooth comfortable feel on your feet and improved thermal barrier during summer and winter. 3. Suspended — A suspended floor is one with a minimum of 18" of well-ventilated air space below. Unlike a subfloor, this material is not meant to serve a structural function, but it does provide a suitable surface for the flooring that will be installed above it. Concrete Subfloor When installing over a concrete subfloor, consider the fact that it's a really hard surface so you might want an underlayment with some added cushion. Who Makes The Best Chainsaw In The World? Importance of Underlayment on Concrete Sub-floor. Calculate the dimension of the space rightly to get the right amount of underlayment needed. For your other questions, yes attach the ply to joists, and glue it with subfloor adhesive. Also consider this before you make a purchase. Underlayment's comes between the sub-floor and the top floor to create perfect and most especially durable flooring. I glued and nailed ply over the entire floor using shanked dipped nails. Like few bumps and holes, making the final layout of the top floor smooth and level. Should I install some kind of paper / moisture barrier above the planks? Concrete can also become heated up and heat transmitted to the vinyl planks. Repair any broken planks. 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