Mass Loaded Vinyl Products



Acoustical Shielding
A Mass Loaded Vinyl used in Wall Cavity Applications

Product Attributes:

  • Dampens sound and blocks noise by up to 75%
  • Easy to install—reduces labor and production costs
  • Improves HVAC effeciency
  • Mold and mildew resistant

Technical Specifications

  • Material: Mass Loaded Vinyl manufactured from recycled Acoustical Grade Polymer
  • Roll Dimensions: 4′ x 25′
  • Roll Weight: 1.0 lb/ft² nominal (4.89 Kg M2) @ 0.100″ thickness
  • Minimum STC 25 per ASTM E 90-02 or SAE j1400
  • Flammability rating of class 1 per ASTM E 84 Rev. A, behind minimum 3/8″ drywall
  • No fungal or algal growth and no visible disfigurement per ASTM D3273 and ASTM G 21
  • Thermal Resistance minimum of 0.3 per ASTM C 518
  • Meets acceptance of ASTM E 119 – 08A one hour burn test

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Acoustical Shielding
A Mass Loaded Vinyl used in Floor Applications

Product Attributes:

  • May be used under carpet, vinyl, tile, wood, laminate and resilient floorings.
  • Made of highly engineered & recycled polymer-sound abatement material which has been used in the auto industry for 30+ years.
  • STOMP Mass Loaded Vinyl is a minimum of 5 times heavier than other underlayment.
  • Mold and mildew resistant.

Technical Specifications:

  • Surface weight = .75 lb. per sq.ft.
  • Thickness 0.150”
  • 4’ x 25’ (1.2 x 7.6 m) Rolls (One Roll per Box)
  • Product = Mass Loaded Vinyl EVA Fiber
  • Mold and mildew resistant
  • Passed G-21 Test (the only underlayment in the industry that passed).
  • Mold and mildew: Tested in accordance with ASTM D 3273-00. Rating = 10 (no growth)
  • Values vary depending upon the assembly. Here are some standard installations.1/2″ engineered hardwood over STOMP on 6″ concrete non-insulated slab: IIC = 46 | STC = 46.1/2″ engineered hardwood over STOMP on wood joist with 1.5″ thick gypsum concrete: IIC = 55 | STC = 538″ concrete slab with insulated acoustical drop ceiling below and laminated hardwood flooring on top: IIC = 58 | STC = 58
  • Meets 1 hour fire resistance floor test complying to ASTM E119-12.

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Project Spotlight


Cape Haze Resort is a six-building, 144-unit condominium development in southwest Florida. Completed in 2007, the units are configured so that the master bedrooms back up to each other. While the walls are solidly constructed— two layers of 1/2" drywall and two layers of 5/8" drywall on each wall with steel studs in between — some of the condo owners were hearing their neighbors...

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