ProBase Series

ProBase underlayment are designed to reduce impact noise in the floor to ceiling assembly. ProBase underlayments are crush resistant, durable and provide high acoustic performance under wood floor. ProBase underlayments are high performance, durable recycled rubber base underlays designed for use under hardwood floors.Probase Acoustic UnderlaymentProBase underlays offer excellent sound reduction from both airborne & structural noise. ProBase is excellent for use in lightweight wood frame construction due to its weight and mass.

Made from 92% recycled SBR
(Styrene-Butadiene Rubber) tire rubber.
Qualifies for up to 5 Leed points.
Typical uses include: apartments, homes, condos, schools, hospitals and any areas where reduction from structural impact noise through the floor to
ceiling assembly is required. ProBase underlayment can be installed over concrete, gypsum topping and structurally sound plywood subfloors.

• Thickness: 3mm, 5mm, 6mm, 10mm, 12mm
• 4’ x 25/50’ rolls – Standard width 48”
• Hardness: A Shore-Durometer 40-55
• Density: (ASTM D-792) 43 lbs cubic ft

Probase Adhesive

ProBase 3mm 
ProBase 5mm 
ProBase 6mm 

ProBase 10mm  
ProBase 12mm  
ProBase Application 
ProBase Hardwood Installation 
ProBase Tile Installation   
Technical Installation
Technical  Specs

ProBase Data Sheet 3mm 
ProBase Data Sheet 5mm 
ProBase Data Sheet  6mm
ProBase Data Sheet 10mm 
ProBase Data Sheet 12mm 
ProBase Data Sheet – Raft (nail down)
ProBase Hardwood Installation Instructions
html ProBase Leed Information
html ProBase Accessories
html ProBase Hardwood Acoustic Testing
html ProBase Tile Acoustic Testing


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