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AcoustiCORK Quiet Comfort Underlayment

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This product has been discontinued.
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  • Helps to keep cold floors warm.
  • IIC 67, STC 72.
  • Eco-friendly underlay.
  • Not recommended to adhere this underlayment with adhesive.
  • Special wave pattern allows for the cork to ‘breathe’ which helps to prevent mold and mildew growth.
  • Designed to be used under floating floors and laminate, but can be used under natural stone, wood, vinyl, linoleum, ceramic tiles and hardwoods.
Description - AcoustiCORK Quiet Comfort was designed from the latest technology concerning floating floor underlayment. The unique design of this underlayment allows the subfloor to ‘breathe’, which greatly reduces the possibility of mold and mildew growth. The wave texture design also helps to improve the reduction in step noise and also increases walking comfort. This flooring underlayment also features no residual odor and helps to keep cold floors warmer. This cork underlayment has been formulated for floating wood floors and laminate floors, but can be used with any flooring type.
Material - AcoustiCORK Quiet Comfort is made from cork, which is harvested bark off of the cork tree. The bark of the tree grows back for over 200 years and can be stripped every 9 years, making this product a truly inexhaustible product.
Width - 39.4” wide roll.
Length - Available in 32.82’ long rolls.
Thickness - 2.5mm (~1/10”).
Weight - 11 Lbs. per roll.
Spec Sheet - Printable Spec Sheet.
Recommended Uses - AcoustiCORK Quiet Comfort cork underlayment is a favorite to use under floating floors and laminate, but has been used under natural stone, wood, vinyl, vinyle composite tiles, linoleum, ceramic tiles, luxury tiles and planks, engineered woods and hardwoods.

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Cork Underlayment

  • Why cork underlayment?

AcoustiCORK Quiet Comfort cork underlayment is a wonderful eco-friendly underlayment option that helps to add warmth underfoot as well as sound reduction properties. Popular for use in condos and commercial properties, cork is naturally mold and mildew resistant and allows air to flow freely through the floor system.

Do I REALLY need underlay?

  • Yes, most definitely.

Underlayment is an amazing invention created by the flooring gods out of necessity. Underlay has an impressive list of benefits, including: adding warmth to your floors so your feet aren’t so cold on new tile flooring, adding comfort and a slight ‘give’ underneath wood or vinyl floors, reduced sound transmission (great for houses with noisy teenagers!), as well as reducing in room step noise. The image to the left is a very simplified example of using underlayment versus not using it, but as you can see the benefits greatly outweigh any reason not to.

Making your house a home

  • Products that work together

Cork underlayment is popular for use underneath of ceramic and porcelain tile flooring, hardwood floors, vinyl floors, and laminate floating floors. Cork underlayments is really quite versatile and can be used underneath all floor types.


  • What does it mean?

Underlayment with a thickness of up to 5mm thick are great when it comes to residential or commercial use, with all flooring types. When you get to more than 5mm thick, these are really great for installations where you need to add thickness to match up with an adjoining/existing floor surface.

IIC / STC Ratings

  • What do they mean?

IIC stands for Impact Insulation Class, which refers to impact sounds such as shoes hitting the ground, dropping a cell phone, or other scenarios where something it dropped or impacts the floor. STC stands for Sound Transmission Class, which refers to any audible noise (not an impact) such as music playing aloud, a conversation, or a loud television, for example. With both of these ratings systems, the higher the number rating is for the underlayment, the better it will suppress sound, and the quieter a room will be. You may want to pay close attention to these ratings when shopping for underlayment if sound reduction is important to you.

Don't see what you're looking for? 
Would this specific underlay (2.5mm) provide sufficient padding for wood floors overtop of a concrete slab at ground level?
Yes, as long as the wood floor is a floating floor and not a staple or nail down application .
I need the Thermal rating, Thermal Resistance and Fitz Rating of the 2.5mm AcoulticCORK Quiet Comfort Underlayment (for condo requirements)
The R-value for our AcoustiCORK Quiet Comfort Underlayment is at minimum 3.125 per inch of thickness.
Hello, Can this be used under self adhesive carpet tiles. Thank you
We would not typically recommend this since there is a wavy texture to the cork underlay. We have not tested to see if the carpet tile would telegraph the wave.
Is this product good when used on the upper floors of your home on wood sub-floors.
You can use our AcoustiCORK Quiet Comfort Underlayment on the upper floors of a home over a wood subfloor.
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Average Rating
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  Craft business
Installed in Craft business
Pat A. from Geneva, OH wrote...
The underlayment is working very well. I use it for a craft that I make and sell. So I will be buying more. Thanks for all your help.
Visual representation of product rating from review using stars
  Great underlayment to use under LVP
Self-installed in Second story floor
Zoe from Windermere, FL wrote...
The product is great. One roll covers one room of 9 x 10. Im using this product under NuCore LVP on my second story townhome. So far is good. Wish the rolls will be bigger.
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