Top 5 car sound insulation Company List and Products Compared

The Importance of Car Sound Insulation

As driving environments become increasingly complex and consumers demand greater comfort, car sound insulation has evolved from a luxury to a necessity for modern vehicles. Advanced car sound insulation materials reduce road, engine, and wind noise, resulting in a quieter, more comfortable interior and improving overall ride quality. With innovations driven by leading companies, choosing the optimal car sound insulation solution can be overwhelming. we introduce the top 5 car sound insulation companies, analyze their core products, pros, cons, and discuss cutting-edge technologies for automotive acoustic applications.

ASLONG: High-Performance Butyl Rubber Sound Damping Mat

Advantage Product: Butyl Rubber Sound Damping Mat

Advantages:

ASLONG’s signature Butyl Rubber Sound Damping Mat is specifically engineered for manufacturers and car owners seeking High Quality car sound insulation. Offering superior vibration and noise reduction, this product provides efficient soundproofing with eco-friendly, odorless materials that are easy to install. By reducing resonance across car doors, floors, and firewalls, ASLONG sound insulation ensures a quiet and comfortable driving experience.

Disadvantages:

Compared to foam-based dampers, Butyl rubber mats may be heavier, adding minimal weight to the vehicle. For extremely wet or corrosive conditions, additional sealing may be required.

Technical Points:

• Material: High-purity butyl rubber, aluminum foil composite
• Sound Transmission Loss (STL): ≥ 27dB
• Temperature Resistance: -40°C to 120°C
• Thickness: 2-4mm standard
• Odor-free and RoHS compliant

Applications:

Widely used in car doors, trunks, floors, roofs, and engine hoods, the ASLONG Butyl Rubber Sound Damping Mat is suitable for sedans, SUVs, trucks, commercial vehicles, and high-spec custom installations. Its mass loaded property makes it ideal for both OEMs and aftermarket upgrades, providing outstanding sound insulation while enhancing the vehicle's thermal efficiency.

Dynamat: The Popular Choice for DIY Car Sound Insulation

Advantage Product: Dynamat Xtreme Bulk Pack

Advantages:

Dynamat Xtreme is renowned among car audio enthusiasts for its easy application and effective noise-reducing capabilities. With an aluminum-coated butyl base, it controls resonance and eliminates rattles. Dynamat’s reputation for reliability and performance has made it a staple in the automotive aftermarket.

Disadvantages:

High Quality pricing makes Dynamat less affordable for large-scale projects. The aluminum layer, while adding durability, can make cutting and shaping a bit challenging.

Technical Points:

• Material: Butyl rubber with aluminum constraining layer
• STL: 25-27dB
• Temperature Stability: Up to 120°C
• Thickness: ~1.7mm

Applications:

Commonly used in car doors, floors, trunks, and speaker enclosures, Dynamat Xtreme is favored for custom car audio builds and restoration projects, as well as enthusiasts seeking an easy, reliable sound insulation upgrade.

3M: Multi-functional Acoustic Solutions

Advantage Product: 3M Thinsulate Acoustic Insulation

Advantages:

3M Thinsulate is a lightweight, non-woven fibrous mat designed to dampen noise while also acting as thermal insulation. It is hydrophobic, resisting moisture and mold, and is compatible with OEM manufacturing requirements. Easy to install, it can be cut to size and is favored for its environmental safety and versatility.

Disadvantages:

While effective for airborne noise, Thinsulate is less effective against structure-borne vibration and may not match the damping power of butyl mats. Modest thickness may limit low-frequency absorption.

Technical Points:

• Material: Microfiber blend (polyester + polypropylene)
• STL: 18-22dB depending on thickness
• Fire Resistance: Meets OEM requirements
• Thickness: 6-18mm

Applications:

Applied in car doors, headliners, and behind dashboards, 3M Thinsulate excels at reducing wind and road noise. It’s a popular OEM choice for lightweight vehicles and EVs requiring a balance of acoustic, thermal, and environmental performance.

Second Skin Audio: Customizable Mass Loaded Vinyl (MLV)

Advantage Product: Luxury Liner Pro MLV Barrier

Advantages:

Second Skin Audio’s Luxury Liner Pro is a mass loaded vinyl barrier featuring a foam decoupler. Offering exceptional sound blocking for vehicle floors and firewalls, this car sound insulation product targets airborne and low-frequency noise. Its high mass-to-thickness ratio delivers industry-leading soundproofing.

Disadvantages:

MLV is dense and heavier compared to foam or composite mats, potentially affecting total vehicle weight and installation complexity. Its cost is higher due to specialized formulation.

Technical Points:

• Material: Mass loaded vinyl with closed-cell foam decoupler
• Sound Transmission Loss: Up to 30dB
• Thickness: 7-10mm
• Odor: Low-VOC and certified non-toxic

Applications:

Best suited for underfloor, firewall, rear seats, wheel wells, and trunk partitions in luxury, performance, or utility vehicles. Second Skin’s MLV is a favorite for custom installers and automotive professionals pursuing the highest level of interior quiet.

FatMat: Cost-Effective Bulk Sound Deadening

Advantage Product: FatMat Self-Adhesive Rattletrap

Advantages:

FatMat offers an affordable, easy-to-install solution for reducing noise and vibrations in cars. Its aluminum-foil backed butyl sheets are self-adhesive, making them suitable for DIY enthusiasts and car owners seeking quick results without a high price tag.

Disadvantages:

Effective at reducing mid-high frequency noises, FatMat may require additional layers or pairing with dense mats to block low-frequency sound. The material is not as thick or robust as more High Quality options.

Technical Points:

• Material: Butyl rubber with aluminum foil
• STL: 20-22dB
• Thickness: 1.5-2.5mm
• Maximum Temperature: 100°C

Applications:

Applied on doors, floors, roof panels, or trunk areas of cars, FatMat is targeted at the mass market for everyday vehicles or quick car sound insulation upgrades on a budget.

Comparison Table of Top 5 Car Sound Insulation Company Products

Conclusion: Choosing the Right Car Sound Insulation for Your Needs

The global car sound insulation market is expanding rapidly, driven by growing demand for quieter, more comfortable driving experiences. When considering sound insulation for vehicles, product choice depends heavily on the specific noise problem, intended application, and budget.

ASLONG stands out for its balance of advanced technology, environmental responsibility, and reliable performance. Our proprietary Butyl Rubber Sound Damping Mat delivers superior noise reduction with professional-grade materials—suitable for both OEM and aftermarket upgrades. With over 10,000 square meters of modern production base, global export capabilities, and a comprehensive product portfolio, ASLONG is ready to meet all your car sound insulation and acoustic material needs.

Whether your goal is the highest quality, cost-effectiveness, or easy installation, evaluating the advantages and drawbacks of leading brands—like ASLONG, Dynamat, 3M, Second Skin Audio, and FatMat—helps you make an informed, effective choice. As new-energy and electric vehicles evolve, expect continued innovation in car sound insulation products worldwide.

Ready to experience the ASLONG difference? We are actively recruiting agents, and welcome partners globally to join us. For customized solutions or partnership opportunities in car sound insulation, contact ASLONG (Guangdong Welllink New Materials Co., Ltd.) today.

FAQ

What is car sound insulation and why is it important?
Car sound insulation refers to materials installed in vehicles to reduce unwanted noise from outside and vibrations from moving components. It enhances comfort, reduces driver fatigue, and improves audio quality inside the car.

How do I choose the best car sound insulation material?
Consider factors such as the type of noise, application area, material thickness, weight, environmental performance, and budget. For structural noise, dense mats like butyl or MLV work best. For airborne noise, fibrous and foam materials are suitable.

Are ASLONG car sound insulation products environmentally friendly?
Yes. ASLONG sound insulation materials are developed to meet strict RoHS and environmental standards. Our products are non-toxic, odorless, and safe for automotive interiors.

Can car sound insulation be installed DIY?
Yes. Many products from ASLONG, FatMat, and Dynamat are designed for easy installation, requiring only basic tools. For optimal results and complex projects, professional installation is recommended.

What warranty and support do ASLONG car sound insulation products offer?
ASLONG provides comprehensive after-sales technical support and warranty backed by decades of research and manufacturing experience. Contact us for details specific to your region.

Which regions does ASLONG export to?
ASLONG has an established export presence in Europe, North America, Asia, Africa, and more, serving both OEM automotive and aftermarket clients worldwide.

How can I become an ASLONG agent or distributor?
We are actively recruiting agents globally. Reach out via our website or contact us directly to discuss cooperation and distributorship opportunities.

ASLONG (Guangdong Welllink New Materials Co., Ltd.) – Innovating for a Quieter, Greener, and More Comfortable Automotive Future.