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360 sq. ft. x 6 ft. x 60 ft. x 1.4 mm Acoustical Underlayment with Vapor Barrier for All Vinyl Plank Flooring
- Perfect for all vinyl plank floors, even with pre-attached pad
- Vapor barrier for water protection w/ built in DriWick Technology
- Reduces unwanted noise and lifetime anti-crush support
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Product Details
About This Product
QuietWalk LV is a premium fiber underlayment designed for luxury vinyl, laminate, hardwood, and rigid core flooring. Its high-density recycled fibers reduce noise, support locking systems, and provide a more solid feel underfoot than basic foam. Built with DriWick technology and an attached vapor barrier, it helps manage moisture and protect your floors from spills. The durable, anti-crush design delivers long-lasting performance and added support for flooring with pre-attached pads. GREENGUARD Gold Certified and made in the USA, QuietWalk LV is a reliable solution for a wide range of installations. Covers 360 Sq. Ft. per Roll- Roll Size 6'x60'
Highlights
- 360 sq. ft. coverage - roll size 6 ft. x 60 ft. for full-room installs
- Maximum versatility - works with LVP, LVT, SPC, WPC, laminate, and engineered wood (4 mm.+)
- LAMINATE AND FLOATING HARDWOODS: For best performance under laminate and floating hardwoods view QuietWalk here.
- Superior sound reduction - Delta IIC 28, IIC 70, STC 62 for reduced noise transfer
- Enhanced support and protection for flooring with pre-attached pads
- Advanced moisture protection - Dri-Wick fibers + attached 6-mil vapor barrier
- Supports all install types - floating, glue-down, and nail-down applications
- Compression-resistant support - prevents floor deflection and maintains long-term performance
- Radiant heat compatible - approved for use with in-floor heating systems, such as QuietWarmth.
- GREENGUARD Gold Certified - low VOC emissions for healthier indoor air
- Mold & mildew resistant - antimicrobial treated fibers inhibit growth
- Made in the USA from Recycled Fibers - Helps reduce landfill waste while delivering high performance
- Easy installation - rolls out flat with lip-and-tape system
- APPROVED FOR IN-FLOOR RADIANT HEAT SYTEMS: allows heat to permeate evenly while helping to protect the floor covering material from thermal shock, achieve warmth with QuietWarmth radiant heat system
- NALFA CERTIFIED: QuietWalk LV meets all underlayment standards set by the North American Laminate Floor Association (NALFA).
- Please see info and guides section for downloadable PDF of the limited life time warranty, use and care instructions, installation guide limited life time warranty use and care instructions installation guide
- For more information on QuietWalk Underlayments, check out our product brochure here
- Return Policy
Product Information
Specifications
Dimensions
Area Coverage Per Roll (sq. ft. for each roll) | 360 |
|---|---|
Product thickness (mil) | 59 |
Recommended overlap (in.) | 0 |
Roll Length (ft.) | 60 ft |
Roll width (in.) | 72 |
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.) | 360 |
Returnable | 90-Day |
Subflooring type | Any |
Warranty / Certifications
Manufacturer Warranty | Lifetime Limited 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 homeowners looking for superior sound absorption and moisture protection, making floor installation worry-free. This underlayment boasts a high density for enhanced support and comfort underfoot. | Great for homeowners looking for thermal and sound insulation, making floors warmer and quieter. DIY beginner-friendly with easy to install fanfold design. | Ideal for customers who want noise reduction and cushioning, ensuring a quieter and more comfortable floor. | 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. |
Thickness | |||
1.4 mm | 1.5 mm | 0.118 in. | 2 mm |
Sound Absorption | |||
Reduces sound transfer between rooms | IIC 72/STC 66/Delta IIC 26 | 67 | |
Moisture Barrier | |||
Thermal Insulation | |||
High R-value | 0.432 | ||
Compatibility with Floor Type | |||
Luxury vinyl, laminate, and wood floors | Luxury vinyl plank, engineered hardwood and laminate | Tile, Laminate, Floated or Glue-Down Wood Floors | Laminate, Engineered Hardwood |
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