Regupol® Sonus™

Sound Control Underlayment

Impact Sound Regupol Sonus

The Regupol Sonus is a high performance acoustic underlayment designed to reduce the transmission of impact sound caused by people walking. The Regupol Sonus can be installed under ceramic tile, stone, carpet, carpet tile, and hardwood flooring.


  • Sustainable green product made from post-consumer and post-industrial waste, including recycled tires
  • GreenCircle certified and can potentially qualify for up to 8 LEED points
  • Greatly reduces sound transmission of impact noise
  • Acoustic ratings up to STC 66, IIC 74, Delta IIC 27 depending on the floor covering and floor-ceiling assembly
  • Multiple sizes available including 2mm, 3mm, 5mm, 6mm, 10mm, and 12mm thicknesses
  • Apartments
  • Condominiums
  • College Dormitories
  • Classrooms
  • Schools
  • Hospitals

The Regupol Sonus Underlayments have been specifically engineered and manufactured for ceramic tile, stone, solid hardwood, engineered hardwood and laminate flooring.

Regupol Sonus 2mm 3-part Specification DOC PDF
Regupol Sonus 3mm 3-part Specification DOC PDF
Regupol Sonus 5mm 3-part Specification DOC PDF
Regupol Sonus 6mm 3-part Specification DOC PDF
Regupol Sonus 10mm 3-part Specification DOC PDF
Regupol Sonus 12mm 3-part Specification DOC PDF
Regupol Sonus Hardwood Installation Instructions PDF
Regupol Sonus Tile & Stone Installation Instructions PDF
Regupol Sonus Vinyl Installation Instructions PDF
Regupol Sonus Nail-Down Hardwood Installation Instructions PDF
Regupol Sonus 2mm Data Sheet PDF
Regupol Sonus 3mm Data Sheet PDF
Regupol Sonus 5mm Data Sheet PDF
Regupol Sonus 6mm Data Sheet PDF
Regupol Sonus 10mm Data Sheet PDF
Regupol Sonus 12mm Data Sheet PDF

Test Reports
Drawing Description STC IIC Delta Test #
Concrete Slab, 6in (152mm)
Ceramic Tile, 1/4in (7mm)
Regupol® Sonus, 1/8in (3mm)
53 50 20 PDF
Concrete Slab, 6in (152mm)
Ceramic Tile, 1/4in (7mm)
Regupol® Sonus, 3/16in (5mm)
54 50 20 PDF
Concrete Slab, 6in (152mm)
Ceramic Tile, 1/4in (7mm)
Regupol® Sonus, 3/8in (10mm)
53 50 20 PDF
Concrete Slab, 6in (152mm)
Ceramic Tile, 1/4in (7mm)
Regupol® Sonus, 1/8in (3mm)
63 61 PDF
Concrete Slab, 6in (152mm)
Ceramic Tile, 1/4in (7mm)
Regupol® Sonus, 3/16in (5mm)
63 62 PDF
Concrete Slab, 6in (152mm)
Ceramic Tile, 1/4in (7mm)
Regupol® Sonus, 3/8in (10mm)
63 62 PDF
Concrete Slab, 6in (152mm)
Engineered Hardwood Flooring, 1/2in (12mm)
Regupol® Sonus, 1/8in (3mm)
50 55 25 PDF
Concrete Slab, 6in (152mm)
Engineered Hardwood Flooring, 1/2in (12mm)
Regupol® Sonus, 3/16in (5mm)
55 25 PDF
Concrete Slab, 6in (152mm)
Engineered Hardwood Flooring, 1/2in (12mm)
Regupol® Sonus, 1/4in (6mm)
50 56 25 PDF
Concrete Slab, 6in (152mm)
Engineered Hardwood Flooring, 1/2in (12mm)
Regupol® Sonus, 3/8in (10mm)
55 27 PDF