Schluter Kerdi-Drain Grate Kit, 4" Chrome

Product Review

Cork Underlayment reduces sound and thermal transmission and helps protect the floor against the transfer of stress cracks from the subfloor.

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