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Trapezoidal profile foams Silphon? | with self-adhesive

Trapezoidal profile foams Silphon?
without self-adhesive
with self-adhesive

Highly sensitive acoustic absorber with trapezoidal profile with self-adhesive.

Highly effective acoustic foam with trapezoidal profile made of PUR acoustic foam is a further development of the well-known pyramid foam classic. The trapezoidal absorber with self-adhesive is a very versatile product but is preferably used in technical areas such as mechanical engineering and room acoustics. We offer Silphon® trapezoidal profile foams in standard panel format in various thicknesses and qualities or individually tailored to customer requirements. Order this top acoustic product in a few clicks!

Media

Item no.
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  		Surface
  		Length
mm 		Width
mm 		Thickness
mm 		Color
  		Bulk density
kg/m³ 		Detail
  		Price
/pce 		Delivery period
  		Graduated price
  		 
  		 
  		quantity
  		Graduated price
 
Silphon® trapezoidal foams
High quality acoustic absorber
Sound absorber with good heat and flame resistance
Trapezoidal foam for sound insulation cabins

Frequently asked questions (FAQ)

The foams can be ordered already equipped with a one-sided self-adhesive. With the self-adhesive made of high-quality acrylate, the foam adheres to most surfaces easily and permanently. The adhesive selection can be found in our online shop. In individual cases, depending on the installation situation, the weight or the difficult environmental conditions, it may be necessary to fix the foam insulation materials mechanically in addition. Heavy foils without self-adhesive device are permanently fixed with 2-component polyurethane adhesive from our product range due to their high own weight. In general, our processing instructions must be observed.
Sound attenuation can be understood as the prevention of sound spreading through the absorption of airborne sound. The sound energy is converted into inaudible oscillation waves during sound absorption and as a result the reflection at a boundary surface is reduced. The acoustics within the room are improved and the noise is reduced.
By using foam absorbers or foam bass traps, the reverberation time is reduced evenly across the entire frequency spectrum. Thereby a clearer and drier room sound is created. With the targeted use of absorbers, especially the disturbing initial reflections from the walls can be attenuated. The booming bass range can be specifically absorbed by bass straps. The sound image of the room through the use of absorbers becomes more homogeneous, softer and more lively.
The positioning of the acoustic elements on the wall and ceiling can be determined by using a mirror. Viewed from the listening position, the mirror is thereby shifted to the ceiling or wall until the speakers are visible in it. This is the perfect position for the most important acoustic elements. The Silphon bass traps are most effective when positioned in the corners of a room, because of the sound reflection from the ceiling, walls and floor. In principle you start with the lineup behind the boxes. The siphon bass traps can be stacked until the desired absorption is achieved.
Booming bass frequencies are often the cause of resonances of sound in the room. Silhouette bass traps effectively suppress the low frequencies and can contribute to an improvement and stop the annoying booming.
Various factors can influence the room acoustics. For example, organic materials such as cork floors, wooden parquet, wooden ceilings or wooden walls are very well suited for pleasant room acoustics. Smooth concrete walls, granite floors and glass surfaces reflect sound very strongly and as a result are acoustically unfavourable. The interior design has a great influence on the sound spreading and as a result on the sound image in the room. A lounge seating area or a fitted carpet has an absorbing effect and a book shelf on the wall ensures that the sound is diffused. However, a specific improvement of the room acoustics can only be achieved by combining special Silphon acoustic modules.
Materials such as concrete, glass or tiles are placed under sound-reflecting surfaces, which reflect the sound waves up to 100% and as a result do not insulate or absorb the sound. To reduce the volume (sound pressure) and the reverberation time in hard rooms, hard surfaces must be reduced and replaced by surfaces with sound absorbers that absorb the sound. The sound absorbers allow the sound waves to penetrate the structure and as a result the sound energy is converted into heat or kinetic energy.
In general, it can be said that the more surface of walls and ceiling is covered with foam materials, the less sound can be reflected from them. From experience, it can be assumed that approx. 40% - 50% of the ceiling and wall surfaces should be covered. With 100% cladding there is no more natural sound and this leads to unpleasant acoustics.
In general, the thicker the foam, the better and more efficient the sound absorption. If mainly middle or higher frequencies have to be optimized, good results can be achieved already from a thickness of about 30 mm. If low frequencies (bass tones) are involved, thicknesses from approx. 50 mm are advantageous. In general, it should be noted that the lower the frequencies and the higher the room, the thicker the foam panels should be. If a material is too thin, it only absorbs treble. If the material is thicker, it also absorbs low frequencies
Basically, neither pyramid foams nor nubbed foams are suitable for sound insulation to the outside. These two sound insulation materials mainly reduce noise or reverberation in rooms and are used to absorb sound. Above all, the room acoustics are improved. The nubbly foam as well as our pyramid foam are produced "swiss made" in the Vibraplast AG. The pyramids are produced by cross-cutting on a horizontal contour cutting machine, the nubs are produced with a profiling roller. Since the production of pyramid foam takes longer, the price is correspondingly higher than that of nubbed foam. The panel thickness defines which frequencies are absorbed. The thickness of the foam defines which frequencies are absorbed. Thin foam boards tend to absorb in the higher frequency range, while thicker foam boards tend to absorb in the lower frequency range. For the same material thickness, nubbed and pyramid foams are equivalent. It is up to you to decide which look suits which room better.
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