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The Silencer SR™ .Acoustical Underlayment with.Moisture Barrier For Laminate. And Floating Wood Floors

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Silencer SR

The Silencer SR™ 
Acoustical Underlayment with 
Moisture Barrier For Laminate 
and Floating Wood Floors

  • Reduces floor noise by providing excellent sound absorption
  • Exceeds Air Quality and Flammability standards
  • 100% recyclable and environmentally friendly
  • Contains Ultra-Fresh anti microbial treatment
  • Quick and easy installation (no additional seaming tape needed)
  • Eliminates minor subfloor imperfections
  • Adds thermal value and suitable for use with radiant heat flooring

Silencer SR™ is suitable for all Floating laminates, engineered and hardwood flooring installations. 
Offers the best support, moisture protection and sound absorption for your floors. 


    • Reduces floor noise by providing excellent sound absorption
    • Provides cushioned comfort under laminate and floating wood floors
    • The Silencer SR™has high density and compression resistance properties that enable your floor to perform to its fullest potential and last a lifetime
    • The moisture barrier film and tape strip combine to lock out moisture and allow for quick and easy installation
    • Eliminates minor subfloor imperfections
    • Contains Ultra-Fresh™ anti-microbial which resists mold, mildew, and bacteria
    • The Silencer SR™ adds insulation value with an R-value of 2.0
    • Suitable for use with radiant heat flooring systems
    • 100% recyclable, environmentally friendly, non allergenic and odorless


    • Dry, completely cured concrete (at least 14 days old with HVAC operating)
    • 3/4" interior plywood or OSB flooring
    • Waterproofing and crack-isolation membranes

    • Cement backer units


    • Subfloor should be clean and dry
    • In geographic areas where concrete subfloors are subject to excessive moisture, a calcium chloride moisture test is required. Vapor emission readings in excess of 4 lbs. per 1,000 square feet in 24 hrs will require additional protection such as concrete sealant or polyethylene sheeting.

INSTALLATION Quick and easy installation* – requires no additional seaming tape, cuts with a knife

    1. Install The Silencer SR™ with film DOWN on subfloor
    2. Roll out underlayment with tape strip next to wall. Roll out next row in same manner butting underlayment close to first row ( do not overlap ) and covering the moisture barrier film. Remove the tape strip and secure the overlapping moisture barrier film
    3. Install flooring according to the manufacturer's installation instructions 
  1. *NOT for glue down installations


  • Available in 3' x 33.34' (100 sq. ft.) rolls and 6' x 75' (450 sq. ft.) contractor size rolls

100% Synthetic SBR Rubber foam underlayment with attached polypropylene film 
Thickness — .085" 
Density — 16 LBS 
Weight — 2.24 oz/sq.ft. 
Moisture Barrier — with lip and tape sealing system 
Antimicrobial Treatment — ULTRA-FRESH™ 
Thermal Resistance — R-Value .20 
Compression Resistance @ 25% — 8.6 psi 
Compression Set @ 25% — 10.3 % 
Flammability Rating — Passes Federal — Flammability Standards DOC-FF-1-70 
Smoke Density — Passes, 85 max 
Product Emissions — Exceeds VOC emissions requirements, environmentally friendly

Impact Insulation Class (IIC) This method is to measure the impact sound transmission performance of a floor-ceiling assembly (sound transmission through the floor) 
IIC – Flooring – Sub-Floor 
70 – Laminate – 6" concrete with ceiling assembly 
59 – Hardwood – 6" concrete with ceiling assembly

Sound Transmission Class (STC) This method is to measure the air-borne sound insolating property of a partition element for effectiveness in blocking sound
STC – Flooring – Sub-Floor 
71 – Laminate – 6" concrete with ceiling assembly 
53 – Hardwood – 6" concrete with ceiling assembly

Delta IIC The db rating difference between a floor measured with an underlayment and with no underlayment 
Δ IIC 22

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