Redupax is an acoustic floor underlayment for floated laminate and engineered hardwood flooring. Redupax has a thickness of 9mm, a density of 13 lbs per cubic foot and offers true stability, acoustic and thermal qualities. In addition, Redupax is also environmentally friendly, FSC certified and biodegradable. Redpax Acoustic UnderlaymentInstalled under floated engineered hardwood and laminate floors, Redupax systems have been installed in condominiums, apartments, hotels and resorts in living areas.



• Free floating economical underlay saves installation time
• Rigid stable top surface simulates the sound and feel of nail-down hardwood flooring
• Excellent thermal qualities for warmth and comfort
• High smoothing qualities create a beautiful finished floor
• Will not bounce like many foam and felt products; increases lifetime of the floor
• Removes the hollow sound attributed to many floated engineered hardwood and laminate floors
• Made from 100% natural wood fibers; allows for leveling of floor imperfections up to 1/8” per 3 ft.

• Thickness: 9mm – 3/8”
• Sheet size: 23 1/4” x 33 7/8”
• Quantity per package: 16 sheets / 87 sq ft
• Density: 13 lbs per cubic foot
• Weight: 46 lbs per package

Data Sheet
Installation Instructions
Technical Installation Specs
Redupax Woodframe
Redupax Concrete
Redupax Warranty
html  Redupax Accessories
html  Redupax Testing
html  Redupax Submittal Sheets
html  Leed Credit
html  Redupax Maintainence
Installation Video
Redupax Specification


Sound Seal
50 H.P. Almgren Dr
Agawam, MA

About Us

Sound Seal has been a leader in the Acoustics and Noise Control field for over 30 years. Sound Seal manufactures high quality soundproofing and noise control products. Sound Seal's team of engineer's and product specialist would welcome working with you in solving your noise issues. Please call us toll free at 413-789-1770 to discuss your application or visit us online at

Impacta Premium Underlayments are available in many models and provide sound isolation between the floor covering and the subfloor

Close Up Product Shots