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THE SILENCER SUPERIOR Underlayment Specifications:


The Silencer SR™

Acoustical Underlayment with

Moisture Barrier For Laminate

and Floating Wood Floors

  1. Reduces floor noise by providing excellent sound absorption

  2. Exceeds Air Quality and Flammability standards

  3. 100% recyclable and environmentally friendly

  4. Contains Ultra-Fresh anti microbial treatment

  5. Quick and easy installation (no additional seaming tape needed)

  6. Eliminates minor subfloor imperfections

  7. 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.


  1. Reduces floor noise by providing excellent sound absorption

  2. Provides cushioned comfort under laminate and floating wood floors

  3. The Silencer SR™has high density and compression resistance properties that enable your floor to perform to its fullest potential and last a lifetime

  4. The moisture barrier film and tape strip combine to lock out moisture and allow for quick and easy installation

  5. Eliminates minor subfloor imperfections

  6. Contains Ultra-Fresh™ anti-microbial which resists mold, mildew, and bacteria

  7. The Silencer SR™ adds insulation value with an R-value of 2.0

  8. Suitable for use with radiant heat flooring systems

  9. 100% recyclable, environmentally friendly, non allergenic and odorless


  1. Dry, completely cured concrete (at least 14 days old with HVAC operating)

  2. 3/4" interior plywood or OSB flooring

  3. Waterproofing and crack-isolation membranes

  4. Cement backer units


  1. Subfloor should be clean and dry

  2. 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. 1.Install The Silencer SR™ with film DOWN on subfloor

  2. 2.

  3. 3.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.

  4. 4.

  5. 5.Install flooring according to the manufacturer's installation instructions
    *NOT for glue down installations


  1. 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/Engineered – 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/Engineered – 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


Rest. Apply

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