Vinyl plank flooring is equivalent to linoleum, but with a firmer feel. The underlayment is used for sound deadening and as a moisture barrier. Both of those are built into vinyl planks already I would advise not installing an underlayment. If there are imperfections in your subfloor, then you may want to remedy that, but even still most of vinyl planks that I've looked at are made for installing over minor imperfections. Good luck. Answer from OriginalCpiderman on reddit.com
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Panel Town
paneltown.com › home › the right underlayment for vinyl flooring makes all the difference
The Right Underlayment for Vinyl Flooring Makes All the Difference - Panel Town & Floors
You may hear that a good rule of thumb is to install vinyl over 1-1.5mm underlayment or cork. But making definitive statements about max thickness without considering the density and make-up of the material can cause problems.
Published   October 15, 2024
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DoItYourself.com
doityourself.com › doityourself.com community forums › interior flooring, floor coverings and coatings center › vinyl and linoleum flooring › installing 1/4" underlayment for vinyl flooring
Installing 1/4" underlayment for Vinyl flooring - DoItYourself.com Community Forums
February 15, 2016 - The field joints should be firmly together to prevent gaps where the flooring will create cracks. ... Visit chandler's homepage! ... Chandler, I am installing smooth 1/4" plywood underlayment rated for the vinyl flooring.
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Should I put underlayment down under new lifeproof luxury vinyl plank flooring?

Vinyl plank flooring is equivalent to linoleum, but with a firmer feel. The underlayment is used for sound deadening and as a moisture barrier. Both of those are built into vinyl planks already I would advise not installing an underlayment. If there are imperfections in your subfloor, then you may want to remedy that, but even still most of vinyl planks that I've looked at are made for installing over minor imperfections. Good luck.

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Underlayment vinyl plank flooring
Follow the manufacturer directions for the specific product. I do this for a living, generally I don't use a separate underlayment as I feel it's unnecessary. But directly over a basement slab I'd do whatever the manufacturer recommends. More on reddit.com
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Family Interiors
familyinteriors.com › blog › best-thickness-luxury-vinyl-plank-flooring
Best Thickness for Luxury Vinyl Plank Flooring
November 5, 2025 - Choose noise-reducing underlayment to create a quieter work environment. ... Basements often have uneven subfloors and higher humidity levels, so a mid-range LVP thickness of 5 to 7mm is ideal.
Address   1350 Hill St, 92020, El Cajon
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JustAnswer
justanswer.com › home-improvement › nqw9d-i-m-installing-vinyl-flooring-planning-install.html
Vinyl Flooring Installation: Subfloor Thickness FAQ Guide
For vinyl flooring, a stable subfloor is crucial. Using 1/2" plywood provides better rigidity and reduces flex, preventing vinyl cracking or telegraphing imperfections. While 1/4" plywood can be used as an underlayment, it should be installed ...
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Really Cheap Floors
reallycheapfloors.com › blog › how-thick-is-vinyl-plank-flooring
How Thick is Vinyl Plank Flooring: Vinyl Flooring Thickness Guide ReallyCheapFloors | America's Cheapest Hardwood Flooring
February 7, 2025 - The thickest vinyl plank flooring typically measures 8mm to 8.5mm in total thickness, with some high end luxury vinyl plank (LVP) products reaching up to 12mm when including attached underlayment.
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Décosurfaces
decosurfaces.com › en › blog › article › 127-choose-underlayment-vinyl-flooring-concrete-installation.html
What Underlayment To Choose for Vinyl Flooring on Concrete?
Vinyl thickness is an important factor to consider. To avoid problems, choose a vinyl at least 1.5 mm to 2 mm thick. If the vinyl is too thin, it can create a "big cushion" effect that could damage the flooring.
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Flooring Inc.
flooringinc.com › home › flooring articles › underlayment for floors
Flooring Underlayment Buying Guide
January 15, 2025 - The good news is a ton of vinyl flooring comes with an attached cork underlayment, so this may not even be a concern for you! Waterproof vinyl flooring like TritonCORE offers an attached underlayment, so you’ll save time and money. Rubber and rubber cork underlayment are not safe for vinyl due to the possibility of the rubber staining. Cork, foam, and felt are usually safe for vinyl unless the manufacturer says otherwise. For carpet, you will almost always use a foam or rubber carpet pad. These pads come in many different thickness options ranging in properties and pricing.
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Floor Way
floorway.ae › how-thick-should-underlayment-be-for-vinyl-flooring
How Thick Should Underlayment Be For Vinyl Flooring?
December 29, 2022 - Although vinyl flooring doesn’t require any underlayment. But if you still really want to install that, then it should be the perfect one. Because thickness matters a lot. And, factors mentioned below will help you in choosing a standard underlayment for your vinyl flooring.
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MP Global Products
mpglobalproducts.com › home › how to install underlayment for vinyl plank flooring
How to install underlayment for vinyl plank flooring
For seams that do not have the ... instructions · Double Glue Down installations are approved with flooring that is a minimum thickness of 4mm....
Published   July 22, 2025
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The Spruce
thespruce.com › flooring-underlayment-1821628
Flooring Underlayment Basics: What to Know Before You Buy
February 25, 2023 - It depends on your situation, but 1/4- to 1/2-inch thick AC grade plywood tends to be the best flooring underlayment for many dry applications (under the hardwood, laminate, and engineered wood).
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Dura Undercushions
duracushion.com › dura undercushions › flooring knowledge hub › why underlayment is essential beneath your vinyl plank flooring
Do You Need Underlayment for Vinyl Plank Flooring? | Dura Undercushions
February 28, 2024 - Can I Install Vinyl Plank Flooring Without Underlayment? Although some LVP products come with a pad already attached, this integrated layer usually provides only a limited amount of sound insulation. It is strongly advised to add a separate, premium rubber underlayment, such as those from Dura Undercushions, for noticeably improved acoustic performance. How Thick Should Underlayment Be ...
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Bestlaminate.com
bestlaminate.com › home › vinyl underlayment guide – lvt, wpc and spc underlayment guide
Vinyl Underlayment Guide - LVT, WPC and SPC Underlayment
May 25, 2023 - Vinyl underlayment is an optional add on to click lock vinyls that are 4mm or thicker. Vinyl floors that are glue down or loose lay will not need a vinyl underlayment, as these floors will be installed directly over the subfloor.
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TITAN FLOORING INC.
titanfloors.ca › best-underlayment-for-vinyl-flooring
Best Underlayment for Vinyl Flooring: Top 7 Picks and Tips
January 2, 2025 - Not only does proper underlayment ... new floor into a headache. The optimal thickness for vinyl flooring underlayment is 1 to 1.5mm to provide the right amount of support without compromising stability....
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Fine Homebuilding
finehomebuilding.com › forum › stupid 1/2″ subfloor – trying to figure out underlayment for lvp
Stupid 1/2" Subfloor - Trying to figure out underlayment for LVP - Fine Homebuilding
September 4, 2020 - 2 thoughts I just "redid" an old ... pulling out the hard wood flooring and you're down to the subfloor through out the house, you might be ok with 1/4 inch underlayment plywood glued & screwed w/the joints and screws filled & sanded to give you a nice smooth surface for the ...
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Contractor Talk
contractortalk.com › home › forums › trade talk › flooring
22MM VINYL FLOORING UNDERLAYMENT- 6 MIL PLASTIC ENOUGH IN TILE? | Contractor Talk - Professional Construction and Remodeling Forum
October 28, 2024 - I believe the protection layer of the picture of fake wood or whatever is 22ml thick. The plank is like 6-7 cm (about a thick 1/4”- 5/16”) Flooring has its own underlayment and warranty is void upon certain underlayments being added.
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All Pro Floors
allprofloorstx.com › blog › articles › how-to-choose-the-right-luxury-vinyl-plank-flooring-thickness-for-your-home
How to choose the right luxury vinyl plank flooring thickness for your home | Arlington, TX | All Pro Floors
October 2, 2025 - ... One factor that often gets overlooked is the type of subfloor. If you’re installing luxury vinyl flooring over concrete or tile, a thicker plank or tile, around 5mm to 8mm, is ideal.
Address   7201 S Cooper St #121, 76001, Arlington
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Wood and Beyond
woodandbeyond.com › home › luxury vinyl flooring, lvt and lvp thickness guide
Luxury Vinyl Flooring, LVT and LVP Thickness Guide - Wood and Beyond Blog
September 2, 2023 - ... Though luxury vinyl flooring comes in thicknesses of 2mm to 8mm, most customers gravitate towards 4mm to 8mm options with SPC core. The wear layers, ranging from 0.3mm to 0.7mm, provide an excellent balance between value for money and ...
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airforums.com › airstream restoration, repair & parts forums › interior restoration forum › floor finishes
Underlayment needed for vinyl plank flooring? | Airstream Forums
May 18, 2017 - My friend in the floor business says no, but of course he does not have experience with trailers. He is concerns about trapping moisture with the underlayment. Thanks, Greg ... From what I've read about vinyl plank (and this is what we'll be using as well) is that you don't need one....just apply to the subfloor. ... From my experience putting it in unheated lakeside cottages in Northern Vermont and my own Airstream, not if you get the all vinyl planks.
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hailoflooring.com › blog › articles › how-to-choose-the-thickness-of-your-luxury-vinyl-flooring
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February 12, 2025 - Yes, and here’s why. Floating floors (click-lock vinyl) tend to be thicker because they need stability. If you’re going glue-down, you can get away with thinner options (2mm to 4mm).
Address   12005 Jack Benny Dr. #104, 91739, Rancho Cucamonga