Serena™ Underlay Mat

Serena™ Underlay reduces footfall (impact) noise and airborne sound energy, all in one step. Serena™ Underlayment can be utilized on many floor types and available in multiple thicknesses.

3/8″ Serena Mat Soundproofing Floor Underlay can reduce footfall noise (IIC) and block airborne sound (STC) all in one step. Serena Mat Floor Underlay can be used on many floor types, with any sub floor assembly, without making any changes to your current construction. For details on soundproofing your floor make sure you take a look at our “How to Soundproof a Floor” solution article. If you can not deal with the problem floor itself and want some peace a quiet in the room below make sure you read “How to Soundproof a Ceiling.”


Serena Underlay Mat™ Soundproofing Flooring Underlay Features

Serena™ Underlay
Soundproofing Floor Underlayment – Serena™ Underlay – 3/16″, 3/18″ Rolls

Serena Underlay Mat has been used in hundred’s of new and renovation soundproofing installation projects.

  • 93% Recycled Materials
  • Made in the United States
  • Serena Mat adds weight to the floor, blocking airborne sound giving it a high STC rating.
  • Serena Mat absorbs the noise from footsteps on rigid floors. You will hear fewer footsteps from above.
  • Serena Mat™ Underlay will be used to “float” a new double layered sub floor, effectively decoupling the direct connection An excellent option when compared to poured gypsum topping and an additional plywood subfloor.
  • Serena Mat Floor Underlay can be glued down directly for Engineered Hardwood.



  • Material: Serena Mat is three different densities of recycled crumb rubber bonded into sheets.
  • Pattern: Flat Textured
  • Features: Resists mold, mildew, and fungal growth.
  • Thickness: 3/16″ and 3/8″
  • Size: 4′x25′ (100 sqft)
  • Weight: 3/16” is 75 lbs per roll, and 3/8” is 140 lbs. per roll
  • Color: Black
  • Flammability: Pill Test CPSC Std. FF 1-70 PASSEDR-Value: ASTM C518 0.14-.019
  • Tensile Strength: ASTM D412 (psi)129 min (5/64” thick mat)
  • Installation: Latex Adhesive

Acoustical Reports

6 Concrete Structure - Acoustical Report

STC IIC Source Side Underlayment Slab Test #
48 28 None None 6" Concrete TLF-96-139a
53 34 Wood
52 34 Vinyl
50 32  Tile
62 41  Carpet / Padding
55 46  None 3/8" Serena Underlay Mat™
57 55  Wood
56 55  Vinyl
52 53  Tile
62 70  Carpet and Padding

Serena Underlay on TJI Framing - Acoustical Report

STC IIC Source Side Underlayment  Framing Test #
47 44 None None Plywood Wood TJI R19 Insulation 5/8" Gypsum TLF_97-025a
57 54  Wood 3/8" Serena Underlay Mat™
54 53  Laminate
52 51 Tile
69 58 Carpet and Padding
14-929 Serenity Slideshow9

Soundproofing Floor Solutions

Weight 140 lbs
Dimensions 48 x 12 x 12 in