Massa Bassa Butyl anti-vibration material, pack of 5 sheets 750 x 470 mm

STP Standartplast
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€ 129,00
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STP Massa Bassa Highly specialized vibration-dampening material

STP Massa Bassa is a butyl vibration-dampening material designed to reduce vibrations and resonances of metal surfaces in automotive and car audio applications. The structure composed of a high-density butyl layer and a surface aluminum lamina allows for improved sheet metal behavior by reducing noise and vibrations generated during driving or from the audio system. The package includes 5 sheets of 750 x 470 mm (4.2 mm thickness) and is suitable for treatments on doors, floor pan, trunk and interior panels of the vehicle.


Why use a vibration-dampening material

Metal surfaces of the car tend to resonate generating vibrations and noises perceptible inside the cabin. STP Massa Bassa helps to:

  • reduce sheet metal vibrations
  • limit structural resonances
  • improve acoustic comfort
  • decrease road noise
  • improve door panel behavior in car audio systems

The material works by increasing the damping of treated surfaces and contributing to stiffening areas subject to vibration. Thanks to the butyl structure it is also more stable over time compared to traditional bituminous materials.

Recommended applications

STP Massa Bassa is designed for automotive applications aimed at improving comfort and reducing vibrations. Typical applications:

  • doors
  • cabin floor pan
  • trunk
  • wheel arch
  • side panels
  • roof
  • spare tire compartment

It is particularly suitable for:

  • OEM comfort upgrade
  • car soundproofing
  • car audio systems
  • vibration and noise reduction

The relatively flexible structure allows for adapting the material to slightly shaped surfaces as well.

Installation and use

Recommended procedure:

  1. clean the surface thoroughly
  2. remove dust, grease and moisture
  3. cut the sheet to the desired size
  4. remove the protective film
  5. apply exerting uniform pressure
  6. use a roller to improve adhesion and contact with the surface

For better results it is recommended to treat the areas most subject to vibration.


STP Massa Bassa is a practical and effective solution to reduce vibrations and noise in automotive applications through a simple and versatile treatment. Thanks to the butyl structure and the good balance between weight, performance and ease of installation, it represents a suitable solution both for improving cabin comfort and for carrying out car audio treatments aimed at reducing structural resonances.

STP Massa Bassa Technical specifications

  • Type: butyl vibration-dampening material
  • Structure: butyl + aluminum lamina
  • Package contents: 5 sheets
  • Sheet dimensions: 750 x 470 mm
  • Thickness: 4.2 mm
  • Surface weight: approximately 3.2 kg/m²
  • Application: self-adhesive
  • Use: automotive / car audio / soundproofing
  • Properties: vibration-damping and resonance dampening
€ 129,00 Price incl. VAT