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300 sq. ft. 36 in. W x 100 ft. L x 1.4 mm T Acoustical Underlayment with Vapor Barrier for All Vinyl Plank Flooring
- For use under vinyl planks, laminate, hardwood, tile, or wood
- Perfect vinyl plank floors with a pre-attached pad
- GREENGUARD Gold Certified: Low Chemical Emissions
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Product Details
About This Product
Protect your flooring investment and enjoy a quieter, more comfortable home with QuietWalk LV premium flooring underlayment. Designed for luxury vinyl plank (LVP), luxury vinyl tile (LVT), rigid core, laminate, engineered hardwood and hardwood flooring, its high-density recycled fibers reduce sound, support locking systems and create a solid feel underfoot. DriWick technology and an attached 6-mil vapor barrier help manage moisture from concrete subfloors and everyday spills. The compression-resistant construction provides lasting support, including beneath flooring with pre-attached pads. GREENGUARD Gold and NALFA certified, radiant heat compatible and made in the USA, QuietWalk LV gives you dependable protection for floating, glue-down and nail-down flooring installations.
Highlights
- Each 3 ft. x 100 ft. roll provides 300 sq. ft. of underlayment coverage for versatile room layouts and installations
- One Underlayment for More Flooring Types: Works with LVP, LVT, SPC, WPC, laminate and engineered wood flooring 4 mm. or thicker
- Enjoy a Quieter Home: High-density fibers help reduce impact and airborne sound with Delta IIC 28, IIC 70 and STC 62 ratings
- Create a More Solid Feel Underfoot: Dense fiber construction supports flooring locking systems and provides greater stability than basic foam underlayment
- Protect Floors with Pre-Attached Pads: Adds an extra layer of support and protection beneath compatible flooring with an attached pad
- Help Protect Against Moisture: DriWick fibers and an attached 6-mil vapor barrier help manage moisture from concrete subfloors and everyday spills
- Choose the Installation That Fits Your Project: Suitable for floating, glue-down and nail-down flooring applications
- Maintain Long-Term Floor Support: Compression-resistant, anti-crush construction helps reduce floor deflection and preserve performance
- Stay Comfortable with Radiant Heat: Approved for use with in-floor heating systems, including QuietWarmth
- Support Healthier Indoor Air: GREENGUARD Gold Certified for low chemical emissions
- Help Resist Mold and Mildew: Antimicrobial-treated fibers help inhibit mold and mildew growth
- Make a More Sustainable Choice: Made in the USA from recycled fibers that help divert material from landfills without sacrificing performance
- Simplify Installation: Rolls out flat and includes an integrated lip-and-tape system for easier seam sealing
- Install with Confidence: NALFA certified to meet underlayment standards established by the North American Laminate Floor Association
- Trusted Protection Since 1997: Join millions of homeowners who rely on QuietWalk for quieter, more comfortable floors and lasting peace of mind
- Return Policy
Product Information
Specifications
Dimensions
Area Coverage Per Roll (sq. ft. for each roll) | 300 |
|---|---|
Product thickness (mil) | 59 |
Recommended overlap (in.) | 0 |
Roll Length (ft.) | 100 ft |
Roll width (in.) | 36 |
Details
Color Family | Black |
|---|---|
Flooring Material Features | Antimicrobial, Attached vapor barrier, Cushioning, Moisture resistant, Mold/mildew resistant, No mixing required, Radiant heat, Solvent free, Sound absorbing, Soundproof |
Flooring Product Type | Underlayment |
Flooring Type | Bamboo, Engineered Hardwood, Laminate, Solid Hardwood, Vinyl, Wood |
Location | Basement, Bathroom, Floor |
Material | Recycled Materials |
Number of Rolls Included | 1 |
Package coverage (sq. ft.) | 300 |
Returnable | 90-Day |
Subflooring type | Any |
Warranty / Certifications
Manufacturer Warranty | Limited Lifetime Warranty |
|---|
Questions & Answers
I am considering Lina Ridge Oak (12 mil, 5mm) vinyl plank floor with attached underlayment over a plywood subfloor. Would like to know if Quiet Walk LV can be installed underneath it?
thank you for the question and yes you can install the quiet walk LV underneath a 5mm vinyl plank floor with attached pad over a plywood subfloor
Can this be used on a basement slab?
Yes, that is an approved application.
What is the listing number for this product.
For certifications and testing questions, please call us at 888-379-9695 and we would be happy to assist.
How do you seal a seam?
The product comes with a factory installed lip and tape system.
Can this be used for SUPERCore Xtreme is a revolution in Waterproof Rigid Plank Flooring construction brought to you exclusively by WeShipFloors.com. THICK 30 MIL Commercial Wear Layer SPC Stone Plastic Composite - Dent Resistant Core Aluminum oxide fin
Yes, that is an approved application
Is this nailed or glued down?
It all depends on the floor covering you intend to install over top. Here is a link to the installation instructions: https://mpglobalproducts.com/wp-content/uploads/2022/12/QuietWalk-LV-100-Insert-Elongated-11x23-2025-Doc-757461.pdf
can this be used under real hardwood flooring
Yes, that is an approved application.
Installing on a wood OSB floor with nailed manufactured hardwood. Does the underlayment need to be stapled down before installing the flooring.
No, just install the underlayment in a floating manner and the installation of the hardwood will hold everything in place.
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Customer Reviews
4.6 out of 5
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Compare Key Features
Product Snapshot | |||
|---|---|---|---|
Ideal for customers who want superior sound and moisture protection, ensuring a quieter, healthier home. | Ideal for homeowners looking for premium underlayment with moisture and antimicrobial protection, making floor installation easier. A great choice for those who need superior sound dampening without compromising on quality. | Ideal for homeowners looking for an all-in-one underlayment solution, making floor installation easier. This underlayment boasts superior sound and moisture protection, antimicrobial properties, and eco-friendliness. | Ideal for homeowners looking for acoustic performance, making floors quieter with sound dampening technology. |
Thickness | |||
1.4 mm | 2 mm | 1/8 in. | 0.08 in. |
Sound Absorption | |||
IIC 70, STC 62, Delta IIC 28 | 67 | IIC up to 76, STC 67 | IIC up to 74 dB |
Moisture Barrier | |||
Thermal Insulation | |||
Provides a blanket of insulation | 0.432 | R-value of 0.48 | |
Compatibility with Floor Type | |||
Luxury vinyl flooring including luxury vinyl plank, luxury vinyl tile, laminate floors, floating engineered wood, glue-down engineered wood, glue-down wood, rigid core vinyl plank, wood/plastic composite and multi-layer flooring | Laminate, Engineered Hardwood | vinyl plank, laminate, engineered wood, solid wood, and hardwood floating or nail-down floor system | Laminate, Engineered Hardwood, Solid Hardwood |
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