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EXTREME VIBRATION DAMPING

EX4 HD

The AutoFun EX4 HD is the pinnacle of vibration control, utilizing unique ‘Sandwich’ technology to achieve maximum energy absorption. At a robust ~3.5 mm thickness, it is the uncompromising solution for tackling the heaviest road noise and structural vibration in any vehicle.
Built for the Extreme

Details​

This heavy-duty material possesses superior adhesiveness, firmness, and thermal stability. The unique multi-layered construction is engineered to withstand excessive vibration and high temperatures, making it the most durable and effective way to achieve an ultra-quiet cabin environment.

Installation

Essential for High-Noise Zones. Apply EX4 HD to the most aggressive vibration areas—the floor, wheel arches, and firewall—for the highest performance results, completely isolating the cabin from road turbulence.

Floor

Wheel Arches

Bulkhead

Boot Floor

Multi-Layer Sandwich Composition

Materials

EX4 HD is defined by its quality multilayer structure, which combines high-grade mastic with multiple layers of heat-treated aluminum foil. This firm, yet flexible, composition provides the ultimate solution for damping across wide frequency and temperature ranges.

Data

Corrosion Protection 95%
Water & Moisture Resistance 100%
Vibration Damping 98%
Sound Insulation 75%
Thermal Insulation 70%