Dura-Son Underlay

Dura-Son's 3.5mm is a standalone acoustic underlayment. Suitable for use under "floating floor" flooring installations.

Obtained an IIC rating of 65. (IIC = Impact Installation Class. A higher IIC rating means better sound absorption.)

Greatly reduces impact sound. Always lays flat and will not slip during installation. Guaranteed to work over radiant heated floors. Resists mold, mildew and fungus growth. Enhances underfoot comfort. Does not collapse.