Sound insulation material Comfortmat Blockshot Gen2

Sound insulation material Comfortmat Blockshot

Comfortmat Blockshot Gen2 is a new generation sound insulation material developed based on Aerospace technology using Vacuum Spheres granules. Compared to the first generation, it offers significant improvements in acoustic insulation, body stabilisation and resistance to extreme conditions. The basis of the design is a special polymer base with unique Vacuum Spheres granules, which have an extremely low density (0.00002 kg/cm³) and function as hollow microcapsules that disperse sound energy. Thanks to the precisely defined distribution of these granules, sound is effectively absorbed across a wide spectrum, especially in the mid-frequency range, where conventional polyethylene and polypropylene-based insulation loses its effectiveness. The upper side of the material consists of a protective textile surface with a PE Barrier nano barrier, which protects against moisture and extends the service life. The total thickness of 7 mm and increased sound insulation capacity of up to 36 dB ensure a combination of very high noise reduction and easy application. The second-generation Comfortmat Blockshot is thus a cutting-edge solution for professional applications in the field of automotive soundproofing.

Increased sound insulation

Thanks to new sound insulation layer technology with Vacuum Spheres granules and an innovative 2 mm thick membrane, there has been a significant increase in acoustic attenuation (ΔR) exceeding 36 dB, which is 4 dB more than in the first generation. This makes Blockshot probably the most effective material on the market in its price category. However, Blockshot excels not only in its sound insulation capabilities, but also in other important properties thanks to its revolutionary composition, see below.

Complete elimination of resonances

Another advantage of Blockshot Gen2 material is the complete elimination of resonance. While conventional polypropylene and polyethylene membrane materials cause a drop in efficiency in the critical mid-frequency range (1000–2000 Hz), Blockshot Gen2 ensures uniform attenuation without acoustic dips. This provides stable sound insulation even under higher loads on the car body and contributes to a significantly quieter interior.

Improved anti-vibration capabilities

Another strong point is the ability to increase the acoustic loss factor (MLF) of the vibration isolation layer. Tests confirm that the combination of anti-vibration material, such as Comfortmat Cobra, and second-generation Blockshot achieves up to 200% higher vibration attenuation than untreated sheet metal. This is particularly true at low and high temperatures, which are problematic for conventional materials. This preserves the insulating properties even in freezing temperatures or summer heat.

Mechanical reinforcement of the bodywork

The last, but no less important effect is the significant reinforcement of the treated areas of the car body. The combination with anti-vibration material can increase the rigidity of standard car body sheet metal by up to 85%, thereby reducing deflection, vibration and mechanical shaking of the structure. In real-world operation, this manifests itself in a greater subjective feeling of rigidity and lower cabin noise levels.

Where to apply Comfortmat Blockshot

Comfortmat Blockshot is most often used for soundproofing floors, front and rear wheel arches, or the entire boot. It is applied as a second layer on top of anti-vibration material. Thanks to its multi-layer composition with a noise-reducing membrane, it fully replaces the second and third layers of soundproofing. If you are unsure about the choice of suitable material, we recommend using our soundproofing configurator, which will offer suitable materials and the number of pieces according to the type of car. The most common uses of Comfortmat Blockshot soundproofing material:

• Floor
• Front and rear wheel arches
• Luggage compartment
• Glove compartment
• Engine compartment
• Centre tunnel

About Comfortmat soundproofing materials

Comformat has been operating on the market since 2010 and has quickly established itself as a leading global manufacturer of anti-vibration and sound insulation materials. Comfortmat has brought new technologies to the automotive industry that enable maximum efficiency, lower material weight, consistent performance even in extreme temperatures and, last but not least, very easy application. In recent years, Comfortmat has been setting the pace in vehicle soundproofing and regularly brings to market materials with record-breaking efficiency and excellent properties that were previously unattainable. All this is only possible thanks to many years of research in Comfortmat's laboratories, the highest quality control at every stage of production, the modernisation of production machinery with the involvement of leading global experts in the automation of production lines, and the creation of a research centre equipped with state-of-the-art equipment. Comfortmat's highly qualified experts have extensive scientific and manufacturing experience, regularly perform the necessary physical and mechanical tests, and have expertise in the field of vibroacoustic properties of cars. Thanks to this, Comfortmat products can meet the most demanding requirements of today's automotive market.

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