A small black and white dog lies on a black bitumen heavy foil soni HEAVY

Synthetic heavy layer

soni EVA is a flexible sound-deadening layer made from a blend of synthetic materials on the basis of EPDM / EVA polymers with an admixture of special flame-retardant minerals.

Our synthetic soni EVA heavy layer scores with excellent sound insulation capacity, very good fire behavior and even higher temperature resistance than bitumen-based heavy layers. The installation of soni EVA 3-01 is easy and clean. The material is flexible, not sensitive to pressure and does not emit dust or cause smudges.

As part of combination products like soni COMPOSITEsoni EVA 3-01 is combined with a PUR-ether acoustic foam laminated with a black non-woven surface layer. This ideal combination ensures a twofold noise-control effect: sound absorption plus sound insulation – for especially high overall effectiveness.

soni COMPOSITE
Color: black | Thickness: 32 mm
soni COMPOSITE sound insulation mat – effective sound insulation and sound absorption in one product The soni COMPOSITE sound insulation mat from soniflex is a highly effective combination of sound insulation and sound absorption. This acoustic product consists of a heavy plastic film (soni EVA) and high-quality acoustic foam with a decorative felt surface. This intelligent combination of materials reduces both airborne and structure-borne noise, resulting in a noticeable reduction in noise levels – ideal for use in living spaces, offices, workshops or technical facilities. Double effect – sound absorption & sound insulation While the soni EVA heavy-duty film reliably reduces sound penetration, the open-pored acoustic foam layer absorbs the sound within the room. This dampens the noise at its source and prevents it from spreading – a real advantage over single-layer materials. Typical areas of application: ✔ Partition walls & neighbouring walls in flats and offices ✔ Machine cladding & engine rooms ✔ Workshops & technical rooms ✔ Suspended ceilings & drywall constructions ✔ Music rooms & recording studios Use of soni COMPOSITE – versatile & effective The soni COMPOSITE sound insulation mat is particularly suitable for soundproofing walls and ceilings. Installed, for example, on the wall separating you from your neighbours or behind a facing shell, the material significantly reduces disturbing noises and ensures pleasant room acoustics. Thanks to its decorative felt surface, soni COMPOSITE is available in a range of colours – ideal when function and design are equally important. Easy processing & secure installation Processing soni COMPOSITE is straightforward and does not require any special tools: ✔ The mat can be cut to size precisely using a craft knife or scissors. ✔ The self-adhesive backing serves as an installation aid – however, mechanical fastening (e.g. screws, press studs or strips) is recommended for permanent attachment,     especially on vertical surfaces or for ceiling installation. ✔ Ensure that the substrate is dry, dust-free and smooth to ensure optimum adhesion. If necessary, you can cut soni COMPOSITE to the desired size with a craft knife. The self-adhesive backing serves as an installation aid. Tip: To create a clean finish at the joints, you can cover them with a wooden strip (8–10 cm wide) – this ensures a neat appearance and provides additional support. Safety & quality – tested for professional use soni COMPOSITE materials are age-resistant, moisture-resistant and free of fibres that are harmful to health. This makes this sound insulation mat a durable and safe solution for effective noise protection in both private and commercial areas.

Content: 0.5 m² (€65.80* / 1 m²)

€32.90*
soni EVA
Rear face: not self-adhesive (nk) | Thickness: 1.5 mm
soni EVA – Elastic heavy layer for sound and vibration insulation soni EVA is a soft, elastic heavy layer based on EPDM/EVA polymers with an admixture of flame-retardant minerals. It is ideal for technical applications, vehicle construction and mechanical engineering, where vibrations, rumbling and sound transmission need to be reduced. High-quality properties of soni EVA ✔ Vibration damping: Reduces the rumbling and vibration of metal and sheet metal structures. ✔ Sound insulation: Prevents the transmission of noise and ensures a quieter environment. ✔ Mechanical & self-adhesive: The self-adhesive backing serves as an installation aid, especially for horizontal surface mounting. For vertical or overhead mounting,     additional mechanical fastening is recommended. Areas of application for soni EVA soni EVA is a proven material for: ✔ Vehicles: doors, bonnets, boot, interior trim. ✔ Mechanical engineering: covers, metal structures, vibration protection plates. ✔ Technical applications: sound insulation in workshops, industrial plants, metal structures.

Content: 0.5 m² (€27.80* / 1 m²)

€13.90*
soni SB 700
Our soni SB 700 sound-insulation panel is a two-layer product consisting of a highly sound-absorbing, hydrophobic polyester non-woven and a synthetic heavy layer (soni EVA 6-01). This newly developed combination has both sound-absorbing and sound-insulating capacity with especially high effectiveness in the frequency range of compressors. This makes it the optimum solution for substantially reducing the noise pollution caused by the compressors typically used in heat pumps or air-conditioning systems. In a few simple steps you can build a DIY compressor jacket from our soni SB 700 noise control panels. All you need to do is to measure the compressor’s dimensions and cut corresponding parts from the soni SB 700 acoustic panel with a carpet knife. Then fit the pieces like a shell around the compressor and seal the joints with soni VLC adhesive tape.  Our assembly instructions illustrate the three easy steps to building a compressor shell.

Content: 0.5 m² (€65.80* / 1 m²)

€32.90*
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Installation

On request, nearly all our products can be delivered with self-adhesive rear faces, enabling easy, clean and time-saving installation – perfect for retrofit applications in rooms that are already in use.

Noise control

Thanks to their open-cell structure, our noise protection materials absorb sound waves and effectively attenuate bothering noise. A satisfactory result can already be achieved by lining 30 to 50 % of the ceiling and wall surfaces.

Fire protection

Many of our noise-control products are classified as flame-retardant according to DIN 4102 or DIN EN 13501. Please contact your local authorities in advance for information about the required fire protection class.

Applications for synthetic heavy layer

Frau liegt im Garten relaxt auf einer hölzernen Hängemappe und lacht zufrieden
Outdoor area | Pool
2 Mechaniker stehen unter einem Auto, bekleidet im blauen Overall
Car | Motor | Boat
Ein Maschinenbediener steht vor einer Maschine und macht Einstellungen im Display.
Machine | Compressor | Utility room