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QuietWalk Underlay

QuietWalk Underlay

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expand_circle_down Description

Enhance Your Flooring with QuietWalk

QuietWalk Underlay is a quality certified underlayment, designed for use alongside SPC-Lux Flooring although also compatible with Laminate, Rigid Core Vinyl (5mm or Thicker), LVT (5mm / Thicker), and Floating Engineered Wood. Suitable over both Concrete or Wood Subfloors.

It has been designed to enable your floor to handle real everyday life; from spills to heavy footfall areas – QuietWalk has you covered. It allows your SPC-Lux Flooring to look beautiful and maintain its showroom quality.

Recycled Filaments Fibres

  • The recycled filament fibers support the SPC-Lux click mechanism. QuietWalk smooths our imperfections, as whilst it is firm, it is also flexible enough to form around any subfloor roughness. It’s dense, which supports the click mechanism of SPC-Lux and will uphold its support, even with continual heavy footfall.

Sound Barrier

  • Its fibre construction absorbs and controls sound, so manages the sound and reduces the transmitted unwanted noises.

Vapour Barrier

  • QuietWalk protects from moisture and acts as a vapour barrier, by attacking subfloor moisture. It disperses it throughout the pad, to draw it up and away. This process is called DriWick Technology, which promotes moisture dissipation, allowing it to evaporate. It is also compression resistant and environmentally friendly too!
QuietWalk Underlay

QuietWalk is also suitable for those of you who have or are looking to install in-floor heating systems, alongside your SPC-Lux Flooring. This is because QuietWalk allows heat from your underflooring heating system to permeate into the room above. At the same time, it protects the SPC-Lux Flooring from thermal shock – so is an approved product for this application.

If you have any queries relating to this product, please feel free to submit an enquiry and we will be happy to assist you.


Spend £500 + VAT and Choose a FREE GIFT at the checkout!

Free Gifts Include: Thermaseal Foil Joining Tape, Heavy Duty Staple Gun Kit, Multifoil Insulation Scissors or Thermaseal Double Sided Tape.

expand_circle_down How-To Guides

How to Install QuietWalk Underlay

  1. Prepare the subfloor

    Remove all preexisting flooring before attempting to install QuietWalk. Ensure the subfloor surface is level clean, dry, and free from any debris or dust.

  2. Roll out the underlay

    Roll QuietWalk Underlay over the subfloor with the vapour barrier film (imprinted side) facing up. The perimeter edges of QuietWalk need to be 12 to 20mm away from the wall, this will allow the material to settle without bunching.

  3. Tape and seal

    Seams need to be butted together flush, do not overlap the underlay, tape the seams with Thermaseal Foil Joining Tape.

  4. Install your flooring

    Install your SPC-Lux flooring or your chosen flooring according to the manufacturer's installation instructions.

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expand_circle_down Q&As

What are the approved subfloors, for QuietWalk?

Wood, Concrete, Gypsum Concrete, Cement Backer Units.

Compatible Flooring

SPC-Lux Flooring, Laminate Flooring, Floating Engineered Wood.

Sound Rating

IIC : 71 STC Sound Rating: 66 Delta IIC Sound Rating: 24

R Value


Moisture Emissions Protection

5 lbs per 1,000 sq ft per day

Water Vapor Transmission Rate

1.4 lbs per 1,000 sq ft every 24 hours

How to Install?

Roll out the underlayment, vapour barrier side up. Butt the seams together and leave a gap of 1/2” to 3/4” from the wall. Seal the quietwalk up with the foil joining tape provided and follow with the SPC-Lux Flooring.

expand_circle_down Specification
Roll Coverage9.29m²
Roll Size (ft)3ft x 33.3ft
Roll Size (m2)0.929m x 10m
Roll Weight5.5kg
Guarantee10 Year Guarantee
Volatile Organic Chemical Free?Yes
Damp Proof Membrane?Yes
ΔLw (db) sound reduction 2020
Sound Transmission Class66
Impact Insulation Class71

Key Features


  • Absorbs Sound
  • Acts as a Vapour Barrier
  • Allows heat from your underfloor heating system to permeate
  • Supports the ‘Click’ system on the SPC-Lux Flooring
  • Environmental Benefits – Patented Recycled Structure
  • Inhibits mold and mildew
  • Does not release harmful VOC’s (Volatile Organic Compounds)
  • Thermal Benefits – Provides additional comfort to the entire home during seasonal temperature changes
  • Can be installed beneith SPC-Lux Flooring, Laminate, Floating
  • NALFA Quality Certified Underlayment

Downloads & Resources

picture_as_pdf Data Sheets

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