Regupol® Sonus™

Sound Control Underlayment

Impact Sound Regupol Sonus

The Regupol Sonus Sound Control Underlayment has been specifically engineered and manufactured to reduce the passage of impact transmission caused by people walking and can be installed under ceramic tile & stone, carpet & carpet tile and hardwood flooring.


  • Sonus is a green product — made from post-consumer and post-industrial waste —  GreenCircle certified can potentially qualify for up to 8 LEED points
  • Regupol Sonus is made from recycled SBR tire rubber
  • The perfect solution to reduce sound transmission caused by footfall & impact noise, offering up to IIC 74 / STC 66 / Delta 27 ratings depending on floor covering and floor/ceiling assembly.
  • Sonus is available in 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 2mm 3-part Specification PDF
Regupol Sonus 3mm 3-part Specification PDF
Regupol Sonus 5mm 3-part Specification PDF
Regupol Sonus 6mm 3-part Specification PDF
Regupol Sonus 10mm 3-part Specification PDF
Regupol Sonus 12mm 3-part Specification 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