The floor comfort underlayment is to be used with laminate or engineered wood NOT LVT or LVP.

Go with the Smartcore and approved underlayment. I have used that brand and had great results. Better to use products matched to each other.

Answer from RMDman on Stack Exchange
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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
If you don’t want to be bogged down by the details of what you can and can’t use but desire a quick solution that also offers the best results possible, go with Whisper Step. ... Whisper Step serves as a Class II moisture retardant, so it’s ...
Published   October 15, 2024
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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?
If you don't know the health of your foundation, (how it was built, or what type of concrete was used) it's best to use underlayment. Laying vinyl directly on concrete exposes you to greater risks. This is where underlayment comes in, playing a vital role in the performance of your vinyl floor, ...
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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 - Think of moisture barriers like a raincoat for your floor – they prevent water from sneaking up through your subfloor and causing expensive damage to your beautiful new vinyl planks. Foam underlayment provides excellent moisture protection ...
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RedFlagDeals
forums.redflagdeals.com › best-basement-floor-underlayment-use-luxury-vinyl-planks-2491337
Best basement floor underlayment for use with luxury vinyl planks? - RedFlagDeals.com Forums
April 18, 2022 - Since it ultimately is a floating floor, it may feel spongy in places if the concrete is 100% level, but when it is, it feels great and cool, not cold on the feet even in winter. Between your options, my vote is option #2. ... I bought the technoflex for underlayment for my basement floor.
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Floor & Decor
flooranddecor.com › blogs › the-best-underlayment-for-every-type-of-flooring.html
The Best Underlayment for Every Type of Flooring | Floor & Decor Blog
June 13, 2025 - A thin foam underlayment made of polyethylene or polypropylene usually works best. If you have an attached pad laminate or vinyl floor, our recommendation is the Sentinel Protect Plus Underlayment.
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Bob Vila
bobvila.com › reviews › the best underlayments for vinyl plank flooring
The Best Underlayments for Vinyl Plank Flooring
May 28, 2024 - Concrete subfloors are very hard, so they require additional cushioning from soft underlayments made from foam, felt, or cork. When choosing an underlayment for vinyl plank flooring on concrete, it’s best to pick an option that provides heat insulation and moisture regulation.
Find elsewhere
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Lowe's
lowes.com › home › diy projects & ideas › buying guides › flooring
The Complete Guide to Floor Underlayment
July 14, 2025 - Cork Underlayment: Cork is an excellent choice for areas prone to mold and mildew. It is soft, compressible and performs well in both hot and cold environments. Cork is ideal for basements or other concrete-floor applications.
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BC Floors
bcfloors.ca › best-underlayment-for-vinyl-flooring
Make Sure You Choose the Best Underlayment for Vinyl Flooring
September 30, 2024 - Find the best underlayment for vinyl flooring to boost comfort, durability, and noise reduction with options like foam, cork, and rubber.
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Jung Tile & Granite
jungtile.com › what-to-put-under-vinyl-flooring
What To Put Under Vinyl Flooring: An All-Inclusive Guide
June 19, 2025 - Felt is a popular underlayment choice, offering better sound control than foam and a variety of uses. It provides better insulation and has the option to include an attached vapor barrier, making it ideal for concrete subfloors and roofs.
Price   $$
Address   5208 Zac Lentz Pkwy, 77904, Victoria
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Dura Undercushions
duracushion.com › blogs › blog › choosing-the-best-underlayment-for-vinyl-flooring-the-ultimate-guide
Choosing the Best Underlayment for Vinyl Flooring: The Ultimate Guide
April 10, 2024 - Protection from Bacteria: Especially important on concrete subfloors to prevent the growth of mold and mildew. Comfort and Stability: Providing a softer feel underfoot and helping to even out minor subfloor imperfections. Choosing the Best Underlayment for Vinyl Plank Flooring
Address   8525 Chem. Delmeade
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JustAnswer
justanswer.com › home-improvement › nbtoz-best-underlaying-vinyl-floor-basement.html
Best Underlayment for Vinyl Flooring in Basements – Guide
For vinyl floors over concrete, use a moisture-resistant underlayment like foam with a vapor barrier or cork. This prevents moisture migration and cushions the floor, reducing noise and wear.
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Screwfix
screwfix.com › home › screwfix buying guides › building & door guides › flooring
What is the best underlay for vinyl & LVT flooring | Screwfix
Foam underlays provide good sound insulation and comfort underfoot, while cork offers natural moisture resistance and noise reduction. Underlay for vinyl flooring on concrete should include a built-in damp-proof membrane for protection, while underlay on floorboards helps smooth out imperfections ...
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Bestlaminate.com
bestlaminate.com › home › accessories › underlayment
Shop Premium LVP Underlayment at Bestlaminate
It’s a smart upgrade when installing LVP, SPC or WPC planks in rooms where you want a firm feel, quieter steps, and light subfloor protection—all without messing with the structure of your floor. Whether you’re renovating a home office, finishing a basement, or upgrading a spare room into a gym, this underlayment gives you the performance you need—without overcomplicating your project. Use the Room Calculator to determine how much vinyl underlayment you’ll need for your project! Protect against subfloor moisture: Install vinyl confidently in basements, offices, or utility rooms over concrete subfloor without worrying about moisture from the subfloor.
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TITAN FLOORING INC.
titanfloors.ca › underlayment-for-vinyl-plank-flooring
Underlayment for Vinyl Plank Flooring: Tips, Types, And How To Install
December 8, 2024 - Without it, you’ll lose out on ... shaky. For concrete floors, the best underlayment for vinyl plank flooring is one with a moisture barrier....
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Reddit
reddit.com › r/flooring › no underlayment for luxury vinyl planks over concrete is this ok?
r/Flooring on Reddit: No Underlayment for Luxury Vinyl Planks over Concrete is this ok?
July 6, 2022 - If you click on the (i) icon next to underlayment info, it says that 6mil vapor barrier is needed when installing over concrete subfloor. ... You should put the underpayment, it would help with making sure your floor is quiet as you walk on it. Even when the flooring already comes with a thin layer of padding it’s still best to add underlayment. ... Compant I work for put luxuey vínyl in one of the new apartments we built.
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TEKA Flooring
tekaflooring.co.uk › home › what type of underlay for vinyl flooring on concrete?
What Type of Underlay for Vinyl Flooring on Concrete?
October 16, 2024 - Using an underlay for vinyl flooring on concrete offers numerous benefits, including effective moisture control, enhanced sound insulation, and improved comfort experience, which collectively contribute to a more durable and enjoyable flooring system. At TEKA Flooring, we understand the importance of quality materials in your flooring projects. Our extensive range of underlay options is designed to complement our premium vinyl flooring, ensuring you achieve the best ...