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AcoustiCORK R60 Underlayment

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1 reviews
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Sale price: $1.93 /sqft
Available For Order - Ships between Jul 30 - Aug 6
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NaturalAcoustiCORK R60 Underlayment

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Product Highlights

  • IIC 63, STC 60.
  • Expands and contracts with the floor.
  • Meets building and condo requirements.

  • IIC 63, STC 60.
  • Expands and contracts with the floor.
  • Meets building and condo requirements.
  • Comparable in sound absorption to 2mm rubber underlayment.
  • Designed to be used under ceramic tiles and hardwoods, but can be used under linoleum, natural stone, vinyl, LVT, VCT, and many other flooring surfaces.
  • Would need to be adhered with a polyurethane adhesive and a vapor barrier attached.
Description - AcoustiCORK R60 6mm cork underlayment can be used under all flooring types, but has been specifically designed to be used under ceramic tiles and hardwood. This flooring underlayment gives the same sound proofing level as 2mm thick rubber or 12mm thick foam. Just like all cork underlayments, this underlayment is mold and mildew resistant and also has the ability to expand and contract with your flooring. Also like most cork underlayments, this will also need to be adhered with a polyurethane adhesive and be installed with a vapor barrier to protect your flooring surface. This underlayment is also designed to meet building codes and condominium association requirements when the floor and ceiling assembly system is a ceramic, natural wood or stone with a suspended ceiling.
Material - AcoustiCORK R60 underlayment 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 truly eco-friendly.
Width - 48” wide rolls.
Length - Available in 50’ and 100’ lengths.
Thickness - 6mm (~1/4”).
Weight - 54 Lbs. per roll.
Origin - Made in the USA.
Spec Sheet - Printable Spec Sheet.
Recommended Uses - R60 flooring underlayment is a favorite to use under ceramic tiles, natural stone or wood, but it has also been used under, hardwoods, vinyl, linoleum, engineered wood, vinyl composition tile, luxury vinyl tile and plank, cork flooring, bamboo, and laminate.

Available For Order - Ships between Jul 30 - Aug 6

For floating floor installation instructions, please Click Here.

For glued wood floor installation instructions, please Click Here.

For nailed wood floor installation instructions, please Click Here.

For direct bonded tile installation instructions, please Click Here.

For tile on CBU(Cement Board) installation instructions, please Click Here.

For tile on mortar installation instructions, please Click Here.

For installation instructions for tiles on CBUs over 6mm, please Click Here.

Cork Underlayment

  • Why cork underlayment?

AcoustiCORK R60 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? 
Do you make an underlayment that insulates to keep the cold from coming through the floor
Our AcoustiCORK R60 Underlayment does help to insulate your floor from cold air coming up from your subfloor. The R value, or insulating factor, for this product is 3.125.
We have a condo with concrete floors between the units and we keep our condo rather cold (68 degrees) and the lady below keeps hers rather warm causing her ceiling to get soggy and her paint bubbles. can this product help? can we put 2-3 layers down?
Underlayment can help with some heat transmission, however, this sounds like there may be other underlying issues happening. We recommend contacting your condo association to discuss this issue.
What is the main difference between 6mm Eco-cork and Acoutic cork R60?
david e barber
6mm Eco-Cork Sheet comes in sheet sizing, at 24" x 36", one order equals 25 tiles. AcoustiCORK R60 is a rolled underlayment that is available in 2 sizes. Both would need to be adhered with a urethane adhesive and a vapor barrier would need to be added as well. We do not have sound test ratings for the 6mm Eco-Cork Sheet Underlayment.
Can the AcoustiCork R60 product be used under carpet if I'm looking to reduce sound transmission between floors or do you have a different product you'd recommend for undercarpet applications. This is for a residential wood subfloor application.
For broadloom carpet rolls, foam pad is the recommended underlayment.
Does it need to be glued even if you have a wood subfloor? I want the best sound muffler.
You don't have to glue our AcoustiCORK R60 Underlayment. Depending on the type of floor will determine the type of installation recommended.
Can I use AcoustiCork R60 underlayment under vinyl plank flooring?
Snehal Patel
You can use AcoustiCORK R60 Underlayment under vinyl plank flooring.
I am purchasing about 100 SF of Berber Carpet Tiles for my RV. Will this AcoustiCork R60 work under the tiles?
You can use AcoustiCORK R60 Underlayment under carpet tiles.
I am using this underlay with an LVT, and the building has a 6-inch concrete floor (no ceiling below). What can I tell the Board the STC and IIC will be?
Marty Bogart
The STC and IIC for the AcoustiCORK R60 Underlayment are as follows. STC - 60. IIC - 63.
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Average Rating
Visual representation of average product rating from all associated reviews using stars

Visual representation of product rating from review using stars
  Easy to install
Self-installed in Under living room as we are second floor unit
Anonymous from Bellmore New York wrote...
Took a chance and ordered this role of acousticork to soundproof our condominium and it was easy to order, it was timely delivery ,and very easy to install !! we are very happy with the results as it really has dampened any sounds between the units
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