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MP Global Products

QuietWalk™ Laminate Floor Underlayment 100 Sq. Ft. Roll

Mfg.# QW100B1LT
Sku# 7954357
Location Price

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*Estimated stock levels as of Wed, Oct 18, 2017. All items subject to prior sale. Please call ahead to verify.

The revolutionary QuietWalk laminate floor underlayment smoothes out little sub floor imperfections while quieting impact sound and floor to ceiling noise. Not only does it dampen ambient sound in the room it's installed in, but it also inhibits sound from traveling into the room below. Although it is promoted as an upgrade underlayment taking the place of poly foam, it doesn't carry a heavy upgrade price when compared to cork or rubber. On the other hand, in recent head-to-head Sound Transmission Loss tests, QuietWalk outperformed both cork and rubber in the majority of test band frequencies. Certified field sound tests were performed on an installation over a standard concrete sub floor, and received an FIIC score of "60 in .

In addition to its sound deadening benefits, the absorbing action of the synthetic fibers together with the attached vapor barrier provides superior moisture protection that is backed by a Limited Lifetime warranty. Another benefit is the increase in R-value to help keep floors warm in the winter, and cool in the summer.


  • QuietWalk® filaments are randomly air-laid creating a capillary effect to cushion the floor, absorb sound, and help make laminate floors sound more like real wood.
  • QuietWalk® is firm enough (density=13.3lbs/ft^3; compression resistance @ 25%=9.5psi) to support the overlaying floor, but flexible enough to form around sub-floor surface roughness that may otherwise cause laminate panels to “rock” or lay unevenly.
  • QuietWalk® is ideally priced as a quality upgrade from polyethylene or polystyrene film and is less than 1/2 the cost of either cork or rubber underlayment with similar sound numbers.
  • QuietWalk® will add an R-value of .50 to the floor system.
  • QuietWalk® is a “green” product, constructed (over 95%) with post-industrial/pre-consumer fibers, materials that may otherwise have been landfilled.

Square Feet:100
Thickness:0.125 in
Type:Laminate Floor Underlayment