







Price: $236.55
(as of May 03, 2025 12:10:09 UTC – Details)
Improve the air quality in your home with QEP’s Natural Cork Underlayment. This cork underlayment protects your floor against stress cracks transferring from the subfloor to flooring surfaces, and reduces thermal transmission, boosting the effectiveness of floor heating systems. It also reduces sound transmission and makes an excellent sound barrier for all flooring types. It has an R-Value of 0.74, Delta sound rating of 22, and 74 IIC & 70 STC when installed under ceramic tile on a 6 in. cement slab. QEP Natural Cork Underlayment Roll is FloorScore Certified for healthier indoor air quality and may contribute towards credits under the LEED Green Building Program. Install it like a professional using ROBERTS 7250 Cork Underlayment Adhesive and ROBERTS 50-040 Underlayment Tape Roll.
For use under ceramic tile, stone, marble, glued wood flooring and floating floor systems
Acts as a crack isolation membrane, resisting the transfer of stress cracks up to 1/8″” from subfloor through to flooring surfaces
Sound absorbing, it reduces sound transmission from the surface of the floor upward, as well as from the floor to the living space below
Reduces thermal transmission, increasing the effectiveness of floor heating systems
Easy to install in both glue-down and loose-lay configurations
Customers say
Customers find the cork underlayment effective and easy to install as an alternative to plywood, with good sound dampening properties and a nice feel underfoot. They consider it a great value for laminate flooring, and one customer specifically mentions its suitability for brick paver floors. The durability receives mixed feedback – while some find it solid, others report it tears and rips easily.
AI-generated from the text of customer reviews
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