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  3. Insulation & Damping for Cars
  5. EA-3.1

DD Audio EA-3.1 Insulation

3.7m²

DD Audio EA-3.1 Insulation

Technical Highlights

  • 3 mm thick butyl rubber polymer, 100 micron aluminum.
  • High temperature resistant, self-adhesive, very sticky.
  • Dimensions: 37 cm wide, 10 m long, easy to install.
  • More technical details
€269,00
€269,00 €269,00
5% discount with prepayment
inkl. VAT , possibly plus shipping
Delivery
Mar 28, - Apr 2,
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EA-3.1 by DD Audio

The DD Audio EA-3.1 is one of the most advanced sound-damping materials on the market. It is made from a 3 mm thick, specially formulated butyl rubber polymer composite, reinforced with 100 microns of aluminum to create a sound-damping material that is twice as thick but just as light as the offerings from most leading brands, while outperforming thicker and much heavier lower-quality materials. This means easier installation and better damping of unwanted energy such as road noise, vibrations, panel resonances, and sounds coming from other vehicles with non-DD sound systems.

The DD Audio EA-3.1 is delivered in a roll. One roll is usually sufficient for a single layer in all 4 doors and the tailgate in most standard-sized vehicles or for more than one layer in small vehicles.

features

  • Alubutyl with a total thickness of 3.1 mm
  • 100 micrometer thick black aluminum top sheet with DD logo
  • High-quality butyl rubber and polymer composite material
  • High temperature resistant
  • Self-adhesive and very sticky
  • Dimensions: 37cm width x 10m length

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Frequently Asked Questions about EA-3.1

How thick is the DD Audio EA-3.1 sound-damping material?

The DD Audio EA-3.1 consists of a 3 mm thick butyl rubber polymer composite. This material is reinforced with 100 micrometers of aluminum, which explains the total thickness of 3.1 mm, and thus provides effective sound insulation that is twice as thick as most sound-damping materials of comparable products, yet at the same weight. This dense material combination achieves a significantly improved damping performance against unwanted noises such as road noise and vehicle vibrations.

What function does the 100 micrometer thick aluminum serve in the EA-3.1?

The 100 micrometer thick aluminum in the DD Audio EA-3.1 acts as a layer to enhance the damping capacity. It helps to significantly reduce vibrations and optimize the weight of the material, so that despite being twice as thick compared to many competing products, there is no additional weight. The aluminum provides the product with added stability and ensures long-lasting sound insulation even under high thermal stress. This reinforcement is crucial for maximizing the efficiency of the butyl rubber polymer composite.

How do I install the DD Audio EA-3.1 in my vehicle?

The EA-3.1 material from DD Audio is self-adhesive, which makes installation extremely easy. With a roll of 37 cm width and 10 m length, you can apply a uniform layer to all four doors and the tailgate of a standard vehicle. When applying in a smaller vehicle, the generous dimensions also allow for multiple layers for additional damping. Ensure that the surfaces are clean and free of grease to guarantee maximum adhesive strength, and avoid air pockets to not impair the damping properties.

What materials are used in the construction of the EA-3.1?

The DD Audio EA-3.1 consists of a high-quality butyl rubber combined with a polymer composite, complemented by a 100-micrometer thick aluminum layer. This choice of materials not only provides the EA-3.1 with exceptional sound insulation but also remarkable resistance to high temperatures. The butyl rubber ensures flexibility and self-adhesive properties, while the aluminum forms an additional barrier against vibrations and maintains structural integrity under extreme conditions.

Does the DD Audio EA-3.1 fit in my car?

The DD Audio EA-3.1 is designed to fit in most vehicles, regardless of brand or model, as its dimensions allow for wide application. The roll measures 37 cm in width and 10 m in length, which is sufficient to cover all door and rear area surfaces in standard vehicles completely. In smaller cars, you can even apply multiple layers with the same dimensions for optimized noise insulation. However, it should always be ensured that the selected areas are free of obstacles.

How effective is the DD Audio EA-3.1 against road noise?

The sound-damping material DD Audio EA-3.1 offers outstanding insulation properties against road noise. The 3 mm thick butyl rubber-polymer composite, reinforced with 100 micrometers of aluminum, effectively absorbs vibrations and resonances often caused by the roadway. This combination of materials, paired with high adhesive strength, ensures that shocks are minimized and the interior of the vehicle remains significantly quieter. Such insulation greatly improves the sound quality of audio systems by efficiently suppressing unwanted noises.

How heavy is a roll of DD Audio EA-3.1 sound-damping material?

Although the DD Audio EA-3.1 has a double thickness with its 3 mm thick butyl rubber-polymer composite, it remains lightweight compared to other products on the market with similar thickness. The exact weight specification is not detailed in the product description. Nevertheless, the combination of lightweight aluminum and the special polymer formulation ensures that the weight is not burdensome, making installation and handling significantly easier. Another advantage is the high damping performance at relatively low weight.

Can I use the DD Audio EA-3.1 for other applications?

The DD Audio EA-3.1 is primarily designed for use in vehicles to reduce road noise and vibrations. Thanks to its self-adhesive properties and the flexibility of the material, it can also be used in other areas where sound and vibrations need to be damped, as long as the surface conditions are similar and suitable for attachment. Examples could include household applications or in the construction industry, where vibrations also play a role. However, the application specifications should be checked before use.

What advantages does the self-adhesive property of the EA-3.1 offer?

The self-adhesive property of the DD Audio EA-3.1 significantly simplifies installation, as additional adhesives or fastening materials become unnecessary. This property ensures that the material adheres firmly to the desired surface without coming loose, even under extreme temperature conditions. The high adhesive strength supports optimal positioning of the material on uneven surfaces and provides reliable and long-lasting damping of noise and vibrations. Proper surface preparation enhances this effect.

Is the DD Audio EA-3.1 heat resistant?

Yes, the DD Audio EA-3.1 is heat resistant. The special polymer formulation combined with butyl rubber is designed to withstand high temperatures that can typically occur in vehicles under intense sun exposure. Additionally, the aluminum contributes to heat resistance by helping to maintain the structural integrity of the material under intense heat. This heat resistance ensures that the excellent adhesive performance and sound-damping properties of the EA-3.1 are not compromised under extreme weather conditions.

Manufacturer information / responsible person

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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