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  1. Lexicon
  2. G
  3. Geschlossenzellig
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Lexicon: G
Geschlossenzellig
A B D F G H I M N O P R S T U W
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A B D F G H I M N O P R S T U W Start Page Table of Contents

Geschlossenzellig

Geschlossenzellig – was bedeutet das beim Schallschutz?

Geschlossenzellig beschreibt die Struktur eines Schaumstoffs, bei dem die einzelnen Zellen vollständig voneinander getrennt sind. Im Gegensatz zu offenzelligen Materialien kann weder Luft noch Feuchtigkeit in das Material eindringen. Dadurch entstehen ganz eigene Einsatzmöglichkeiten im Bereich Schallschutz, Dämmung und Entkopplung.

Geschlossenzellige Schaumstoffe werden häufig dort eingesetzt, wo Vibrationen, Körperschall oder Feuchtigkeit eine Rolle spielen – zum Beispiel in Kellerräumen, Garagen, Werkstätten oder technischen Anwendungen im privaten Bereich.


Welche Eigenschaften haben geschlossenzellige Schaumstoffe?

Geschlossenzellige Materialien überzeugen vor allem durch ihre robuste und widerstandsfähige Struktur:

• Luft- und wasserdicht
   Ideal für feuchte Umgebungen wie Keller, Hauswirtschaftsräume oder Garagen.
• Sehr gute Vibrations- und Körperschalldämmung
   Schwingungen werden wirksam reduziert, bevor sie sich auf Bauteile übertragen.
• Formstabil & langlebig
   Auch bei Druckbelastung oder Temperaturschwankungen bleibt das Material stabil.
• Unempfindlich gegenüber Schmutz & vielen Chemikalien
   Praktisch für Werkstatt, Hobbyraum oder Technikbereiche.

Wichtig: Geschlossenzellige Schaumstoffe absorbieren Luftschall nur begrenzt, sind aber hervorragend geeignet, um Dröhnen, Vibrationen und Körperschall zu minimieren.


Wo werden geschlossenzellige Schäume eingesetzt?

Auch im privaten Bereich gibt es viele sinnvolle Anwendungen:

• Unter Waschmaschinen oder Trocknern (gegen Vibrationen)
• Zur Entkopplung von Lautsprechern oder Geräten
• Im DIY-Bereich zur Dämmung von Gehäusen oder Verkleidungen
• In Werkstatt, Garage oder Hobbyraum

Im professionellen Umfeld kommen sie zusätzlich in Maschinenbau, Fahrzeugtechnik oder technischen Anlagen zum Einsatz.


Unterschied zu offenzelligem Schaumstoff

Ein häufiger Irrtum: Nicht jeder Schaumstoff wirkt gleich.

• Geschlossenzellig: blockiert Schwingungen und dämmt
• Offenzellig: nimmt Schall auf (z. B. für Raumakustik)

Beide Materialien erfüllen also unterschiedliche Aufgaben im Lärmschutz.


Fazit

Geschlossenzellige Schaumstoffe sind die richtige Wahl, wenn es darum geht, Schwingungen zu reduzieren, Bauteile zu entkoppeln und Lärm gar nicht erst weiterzuleiten. Für eine bessere Raumakustik werden sie meist mit anderen Materialien kombiniert.


FAQ – Häufige Fragen zu geschlossenzelligem Schaum

Was bedeutet „geschlossenzellig“ einfach erklärt?
Das Material besteht aus vielen kleinen, vollständig abgeschlossenen Zellen. Dadurch kann weder Luft noch Wasser hindurchdringen.

Sind geschlossenzellige Schaumstoffe für feuchte Räume geeignet?
Ja. Durch ihre geschlossene Zellstruktur nehmen sie keine Feuchtigkeit auf und eignen sich daher hervorragend für Keller, Garagen oder Technikräume.

Kann ich geschlossenzelligen Schaumstoff selbst zuschneiden?
Ja, viele Produkte lassen sich einfach mit Cutter oder Messer zuschneiden und sind damit ideal für Heimwerker und DIY Projekte.

Wo sollte ich geschlossenzelligen Schaumstoff nicht einsetzen?
Nicht optimal sind sie für:

• reine Raumakustik
• Echoreduzierung
• Verbesserung der Sprachverständlichkeit

Hier sind offenzellige Akustiklösungen die bessere Wahl.

Kann ich geschlossenzellige und offenzellige Schaumstoffe kombinieren?
Absolut. Diese Kombination bietet oft die besten Ergebnisse, da sowohl Vibrationen als auch Luftschall gezielt reduziert werden.

Standing roll of black sealing tape soni NBR Standing roll of black sealing tape soni NBR
soni NBR sealing tape
Order your sealing tape from soniflex Our sealing tape is one of various products that can be used for sealing off specific areas or decoupling different elements from each other: an ideal and easy to use solution! soni NBR sealing tape is a closed-cell sealing material produced on the basis of NBR. Sealing tape from soniflex offers you a high level of safety, reliability and quality that you can rely on! Properties of soni NBR sealing tape The self-adhesive sealing tape is made of a closed-cell material and scores with a range of specific properties that make it particularly versatile to use. This sealing tape can withstand temperatures from -40 to +80 degrees and also offers a high level of safety and reliability. Thanks to its self-adhesive equipment, the application of soni NBR sealing tape is quick and easy. The high adhesive strength ensures a secure and reliable application. The sealing tape comes in 40 mm wide rolls and can be cut to the desired length with the appropriate tool. Each roll contains five meters of tape. The use of soni NBR sealing tape A typical application of soni NBR is in the construction of a curtain wall, where the tape is used to acoustically decouple the wooden lathing. As our product is suitable for contact with oils, e.g. engine oil, our sealing and decoupling tape has also proven its effectiveness and practical use in many technical areas, for instance in vehicles, machines, housings, hoods and other areas for many years now. What is more, our soni NBR is extremely resistant to deformation and wear, which makes it much more durable than other products in this field. The self-adhesive rear face makes installation fast and easy. Do you have any questions about our soni NBR sealing tape or other products from our soniflex shop? If so, please get in touch and we will be happy to help you.

Content: 5 m (€1.58* / 1 m)

€7.90*
Section of a soni RESIST PE foam panel for sound insulation and damping Section of a soni RESIST PE foam panel for sound insulation and damping
soni RESIST
Ordering acoustic panels from soniflex Our soni RESIST noise protection panel consists of closed-cell polyethylene foam with both sound-insulating and sound-absorbing properties. Its closed-cell structure makes soni RESIST especially suitable for applications where it may come into contact with moisture or humidity. The extremely robust and impact-resistant sound-insulation material does not constitute a medium for microorganism growth and can be wet-cleaned if necessary. soni RESIST is flame-retardant according to DIN 4102, as proven under B1 test conditions. Therefore the product is an excellent noise-control solution wherever you need to reduce the sound level with materials that meet strict fire safety regulations. Furthermore, soni RESIST ceiling and wall elements meet the ball impact resistance requirements of DIN 18032-3, making them ideal for noise reduction in sports halls and sports halls. The use of soni RESIST The optional self-adhesive rear face facilitates the installation of the panels. When mounted overhead or on uneven surfaces, (additional) mechanical fixation is required.

Content: 0.5 m² (€27.80* / 1 m²)

From €17.90*
Details
PE foam board in puzzle form for the production of a sound insulation box PE foam board in puzzle form for the production of a sound insulation box
soni RESIST Box - Single Element
Easy assembly – modular use soni RESIST Box are sheets for a customizable noise-control box that assembles in just a few minutes. The interlocking acoustic elements are made of a closed-cell polyethylene foam. They are available in two different sizes and can be joined quickly and easily. The excellent sound-insulating and sound-absorbing properties of the material make the soni RESIST Box perfect for use as a versatile compressor enclosure. Please note: What we offer here is not a complete box, but individual noise-protection elements with which you can assemble a sound-insulation box. Please order the required number of elements (at least 5). Uses for the soni RESIST box UV For pool pumps and heat pumps that are exposed to the weather, the special version soni RESIST Box UV is a practical and effective noise-control solution thanks to the UV stability of its acoustic elements.Please note: For permanent outdoor use, wind loads and severe weather conditions must be taken into account. Additional securing, e.g. with a wooden box, might be necessary.

Variants from €17.90*
€29.90*
Details
Section of a soni RESIST PE foam panel for sound insulation and damping Section of a soni RESIST PE foam panel for sound insulation and damping
soni RESIST NK (special offer)
Ordering acoustic panels from soniflex Our soni RESIST noise protection panel consists of closed-cell polyethylene foam with both sound-insulating and sound-absorbing properties. Its closed-cell structure makes soni RESIST especially suitable for applications where it may come into contact with moisture or humidity. The extremely robust and impact-resistant sound-insulation material does not constitute a medium for microorganism growth and can be wet-cleaned if necessary. soni RESIST is flame-retardant according to DIN 4102, as proven under B1 test conditions. Therefore the product is an excellent noise-control solution wherever you need to reduce the sound level with materials that meet strict fire safety regulations. The use of soni RESIST The optional self-adhesive rear face facilitates the installation of the panels. When mounted overhead or on uneven surfaces, (additional) mechanical fixation is required. 

Content: 0.4 m² (€24.75* / 1 m²)

Variants from €12.90*
€9.90*
Details
Section of a soni RESIST PE foam panel for sound insulation and damping Section of a soni RESIST PE foam panel for sound insulation and damping
soni RESIST SK (special offer)
Ordering acoustic panels from soniflex Our soni RESIST noise protection panel consists of closed-cell polyethylene foam with both sound-insulating and sound-absorbing properties. Its closed-cell structure makes soni RESIST especially suitable for applications where it may come into contact with moisture or humidity. The extremely robust and impact-resistant sound-insulation material does not constitute a medium for microorganism growth and can be wet-cleaned if necessary.  soni RESIST is flame-retardant according to DIN 4102, as proven under B1 test conditions. Therefore the product is an excellent noise-control solution wherever you need to reduce the sound level with materials that meet strict fire safety regulations. The use of soni RESIST The optional self-adhesive rear face facilitates the installation of the panels. When mounted overhead or on uneven surfaces, (additional) mechanical fixation is required. 

Content: 0.35 m² (€0.00* / 1 m²)

Variants from €15.90*
€0.00*
Details
soni RESIST UV soni RESIST UV
soni RESIST UV
Effective noise protection in outdoor areas: Order UV-stable acoustic panels from soniflex Noise can become a problem not only indoors, but may also cause considerable discomfort in outdoor areas. Whether noise from traffic, construction sites or lively neighbors – soundproofing solutions for outdoor use are an essential tool for creating a quiet environment and improving your quality of life. Noise barrier walls and noise protection fences made of soni RESIST UV are an effective and durable solution for this purpose. soni RESIST UV is a hard-wearing and acoustically effective closed-cell PE foam treated with special UV stabilization for outdoor applications. The soni RESIST UV sound insulation board is available in black and grey and offers excellent weather and UV resistance. Hence this product can be exposed to sunlight without concern and is ideal for use as a noise barrier to neighboring properties. The advantages of soni RESIST UV: - Extremely low water absorption - High stability and structural strength - Stain-resistant and easy to clean - Good weather and UV resistance - No medium for micro-organism growth - Tested according to DIN EN 13501 (grey) Installation instructions: To ensure effective sound absorption, the material must be installed facing the sound source. The surface should remain uncovered so that sound strikes the absorber directly and can be absorbed there. The joints between the panels must be covered with a trim (e.g. a fence slat or aluminium sheet) to prevent gaps from forming. After installation, the entire surface can be covered with vegetation (e.g. ivy) or covered with fence netting. The covering should be air- and sound-permeable so that sound absorption is not affected. For RESIST UV panels, please also note the following: In the event of prolonged exposure to direct sunlight, the panels must be installed vertically only. Horizontal installation is not recommended in this case. You can find application images and customer testimonials here.

Content: 0.5 m² (€67.80* / 1 m²)

From €23.90*
Details

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