AcoustiCORK R12 Underlayment

Our Price
$0.31 sqft
$96.88 roll
reg: $0.41 sqft
roll: $129.17
Ships between Mar 3 - 7
Color: roll over image to magnify
Rubber Cork

1.2mm thick x 50" x 75' roll
Accessories for AcoustiCORK R12 Underlayment

Description - AcoustiCORK R12 1.2mm is a composite underlayment composed of both cork and rubber. This flooring underlayment has been specifically designed to prevent unsightly stress cracks that are caused by structural or thermal movement which can reflect through to ceramic or natural stone floors. Since this is composed of both rubber and cork, this flooring provides you with the benefits and drawbacks of both. This underlayment can be installed over concrete and can also be laid over the entire surface or in just the areas where cracks have occurred in the subfloor surface. This flooring underlayment would also need to be adhered with adhesive and a vapor barrier may be needed if required by a manufacturer’s warranty.
Material - AcoustiCORK R12 flooring underlayment is composed of both rubber and cork which are both eco-friendly products.
Width - 50” wide rolls.
Length - Available in a 75’ long roll.
Thickness - 1.2mm (~.0472in.).
Weight - 61 Lbs. per roll.
Recommended Uses - R12 rubber/cork underlayment is a favorite to use under ceramic tiles, natural stone, but it has been used under, hardwoods, vinyl, linoleum, bamboo, cork flooring, and luxury vinyl tile and plank.

  • AcoustiCORK R12 underlayment typically ships within 5-7 business days and delivers within 7-12 business days depending on your location.
  • An email will automatically be sent to you with your tracking information as soon as your flooring underlayment ships and tracking information becomes available.

For installation instructions over concrete, please Click Here.

For further detailed product information, Click Here.

Subfloor Type Wallboard Ceiling Floor Covering IIC Rating STC Rating
8" Concrete Slab No Tile 40 52

Tested in Accredited Laboratories as per ASTM E-90/E-413 (STC) and ASTM E-492/E989 (IIC).


  • Most popular rubber cork.
  • Has been specifically formulated to prevent crack formation on the flooring surface due to subfloor fracturing.
  • IIC 40, STC 52.
  • Can be installed under the whole flooring surface or just in areas where cracks have occurred.
  • Composed of both rubber and cork.
  • Designed to be used under ceramic tiles and natural floors, but can be used under hardwoods, luxury vinyl tiles and planks, engineered wood, bamboo, laminate, and cork flooring.


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Customer Reviews

No Curl
5/5 AcoustiCORK R12 Underlayment
Steve from Merrimack, NH
The R12 AcoustiCORK was easy to use and put down. And there was absolutely no curl, even though it ships on a roll.
Did you install it yourself - Yes
Where did you install it - Mud Room
Was this helpful? 6 1
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