Heavy layer/Mass Loaded decoupler is a sound-damping underlayment that is designed to be installed
underneath any style flooring to create quieter living or working spaces throughout an entire location.
It combines a flexible mass loaded barrier and a soft, fibrous isolation layer to mitigate air-borne sound,
impact sound and structure-borne sound. It provides the most cost-effective
way to meet the requirement of wood and concrete assemblies.  

Material: Post-Industrial Recycled Automotive Products
(EVA-based mass loaded barrier combines with soft, fibrous isolation layer)
Features: It is designed to effectively dampen both impact and airborne noise.
Features: 3, 6mm
Sizes: 4'x25' rolls; 4’x8’ sheets; custom length rolls available.
Decoupler: Soft, fibrous isolation layer
Colors: Black, Grey
Flammability: Class 1 (ASTM E84 Rev. A).
Acoustical Properties :IIC- 51-70db & STC- 50-62db (varies with
 different construction).
Installation: Staples or screws to wood subfloor. Adheres to all
 other finished floors (hardwood, laminate, LVT)
 with premium vinyl adhesive."