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AcoustiCORK RCLT500 Underlayment

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Sale price: $1.44 /sqft
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N/AAcoustiCORK RCLT500 Underlayment

Product Highlights

  • For woods, laminate and tile.
  • Recycled underlay.
  • Provides crack suppression.

  • For woods, laminate and tile.
  • Recycled underlay.
  • Provides crack suppression.
  • Mold and Mildew resistant.
  • This underlayment can be directly bonded to the flooring surface with a polyurethane adhesive.
  • IIC 50, STC 50.
Description - AcoustiCORK RCLT Series features a material combination of recycled rubber, high density foam, and cork to offer superior function for crack suppression and comfort underfoot. These rolls are designed for noise reduction and is great for use in the home, apartments and commercial applications.
Material - AcoustiCORK RCLT500 is composed of rubber, cork, and high density foam and consists of 85% recycled material, making this a very eco-friendly product.
Width - 48” wide rolls.
Length - Available in 30’ long rolls.
Thickness - 5mm
Weight - 71 Lbs. per roll.
Origin - Made in the USA.
Recommended Uses - RCLT500 underlayment is a favorite to use under ceramic tiles and hardwoods, but has been used under natural stone, wood, laminates, bamboo, and engineered wood.

Rubber Cork Underlayment

  • Why rubber cork underlayment?

AcoustiCORK RCLT500 rubber cork underlayment offers superior sound resistance while providing crack suppression with superior comfort. Comprised of recycled materials, this environmentally friendly product provides cushion underfoot as well as reducing sound transmission and impact sound such as footsteps. Rubber cork underlays are great for residential and commercial use.

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

A favorite for use with hard plastic garage tiles, hardwood flooring and stone floor tiles. Rubber underlayment should never be used with vinyl flooring, VCT, or linoleum flooring as it could potentially stain these materials.


  • 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.

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