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DEKOZELL® SYSTEMS

DEKOZELL® SYSTEM MAXI-SWING

Technical data sheet
Text for invitation to tender

Seamless COATING of acoustic sandwich panels

Strong. Soft. Decoupled. A sandwich panel with a patent.

  •  For ceilings and walls
    • Just about every acoustic plaster manufacturer has mineral wool with an expanded glass granulate precoat. In our case, however, the precoat layer is a full 12 mm thick and has a reinforcing mesh on the inside.
    • This makes the panel so unusually impact-resistant that it can even be used on walls.
    • Our patented rectangular joint increases processing reliability significantly compared to conventional V-joints. We only use German mineral wool with the RAL quality mark to ensure maximum health safety.
  • Mineral wool as a decoupling layer
    • The soft intermediate layer of mineral wool is excellent at absorbing sound.
    • However, it also decouples movements of the substrate from the acoustic plaster surface
    • This also enables decoupling of sound transmission from room to room. So, you will only hear the neighbor’s marital quarrel in your living room in a much more muffled way.
  • Installation depth for spotlights
    • If required, the panel thickness of 52 mm offers sufficient space for recessing spotlights or concealing power cables.
  • Not for swimming pools or exterior walls
    • Once the mineral wool is wet due to dew point problems, massive problems can arise. We therefore advise against using it in swimming pools or on cold exterior walls. As a stress-free alternative, we recommend our ROBUST system.
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Acoustic Calculator

1. Types of utilisation

DIN 18041 (audibility in small and medium-sized rooms) distinguishes between different types of room utilisation. When a room is used for making music, a certain amount of reverberation is desirable so that the room “carries” the sounds. If the room is used for speech, two people can have a reasonable conversation, but if there are many children in the room, the individual sound pressure levels quickly add up again. If a room is used for normal school lessons or as a kindergarten room, the requirements for the amount of sound absorber capacity to be installed are correspondingly higher. However, a compromise often has to be found between the reverberation time to be achieved and the actual structural possibilities.
We would be happy to advise you on this for your specific project, including solutions from other manufacturers.

Overview of the categorisation of types of use

Music

  • Music classroom with active music-making and singing;
  • Council and banqueting hall for musical performances.

Speech

  • Courtroom and council chamber
  • Community hall, meeting room
  • Music rehearsal room in music schools or similar
  • Sports hall and swimming pool with an audience

Lessons

  • Classroom (except for music);
  • Music classroom with audiovisual presentation
  • Group rooms in kindergartens and day care centres, day care centres for the elderly
  • Seminar room, interaction room
  • Lecture theatre
  • Room for tele-teaching
  • Meeting room, conference room
  • Performance room for electro-acoustic use only

Sport 1

  • Sports halls and swimming pools without an audience for normal use and/or single class operation (one class or sports group, standardised communication content)

Sport 2

  • Sports halls and swimming pools without an audience for multiple classes
2. acoustically open window A o.F.

In order to reduce the reverberation time in a room to a certain value, a corresponding amount of so-called “acoustically open window” must be installed. This is an arithmetical auxiliary value that is specified in virtual square metres. A large window front that can be opened completely is an almost sound-reflecting surface when closed. When open, however, precisely this window surface forms an “acoustically open window” from an acoustic point of view – even with an efficiency (sound absorption coefficient) of 100%! In order to reduce the reverberation time in the room to an appropriate level, a corresponding amount of “acoustically open window” must also be installed in the room – strategically distributed throughout the room. The calculation value for the acoustically open window results from the sum of all sound-absorbing surfaces in the room, which have previously been multiplied by their respective sound absorption coefficient. We would be happy to advise you on this for your specific project, including solutions from other manufacturers.

3. Reverberation time T N-set

The reverberation time is the measurement by which you can judge the “reverberation” of a room. If a loud bang is produced in a room (e.g. by clapping your hands vigorously), you can almost count how long it takes for the reverberation to subside if the reverberation time is longer than 1.5 seconds. The eardrum in the human ear has a moment of inertia of approximately 0.7 seconds. Accordingly, reverberation times of more than 0.7 seconds are usually perceived as quite reverberant, while reverberation times of less than 0.7 seconds are much more pleasant. However, the actual target reverberation time for a room depends on its volume and the planned type of use for the room. Please use the acoustics calculator above. We would be happy to advise you on this for your specific property, including solutions from other manufacturers.

Professionally, the reverberation time is determined using appropriate sound pressure level measuring devices that measure the decay of the reverberation in the room. In simpler cases, the sound pressure level required for the measurement is generated by a shot from a shotgun or the bang of a starter flap, such as is used in a 100m race. In professional measurements, which also measure individual frequencies individually, special loudspeakers are set up in the room (so-called dodecahedrons), through which the room is filled with special noise. The decay time of the sound pressure level generated by the noise in the room is then measured. Should such a measurement be necessary, we will be happy to help you find a professional room acoustician.

Acoustic calculator

Type of use. Room volume. Reverberation time. Acoustically open window. Calculate target values.

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Quantity Calculator

Product quantity calculator

Calculate the approximate amount of product you need for your project.

Full acoustic plaster power ahead

Our sound killer. With 80% off through the wall.

The highest possible technical efficiency in a seamless direct bonding system: the incredible sound reduction of 80% is made possible by the smart combination of porous absorber and semi-permeable panel resonator. The absorber material is a sandwich composite of 40 mm mineral wool, pre-coated ex works with 12 mm sound-permeable expanded glass granulate as a robust precoat.

Noisy Neighbours No More

Let’s MAXI-SWING with our DEKOZELL acoustic spray filler: you can create a sound-transparent, jointless, smooth finish with much less effort. Or even a textured surface. And deliver durable renovatability and, if necessary, partial, practically invisible repairs.

Up to 30% time saving

Compared to the competition. The finished bonded shell can be efficiently sanded by machine with the Giraffe. And no surface scaffolding is required during installation, which also saves immense costs.

Let us convince you
and inspire you.

DEKOZELL Kontakt

Let us advise you

Talk to our Dekozell specialists. We “only” make seamless acoustic plaster systems, but we do it uniquely well and with enthusiasm. And we go the extra mile for you to find the best solution for your project.

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Request a free sample

Only your professional judgement decides. So request your product sample from us and take the Dekozell quality check into your own hands. We will ensure that you receive your sample as quickly as possible.

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DEKOZELL® Acoustic plaster systems

The right system for every project.

The well thought-out variety of our systems enables perfect room acoustics to be seamlessly integrated into all conceivable buildings, halls and rooms. Configure your DEKOZELL acoustic plaster system according to your requirements. If you do not know exactly which system is suitable, we will be happy to help you.

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DEKOZELL® System Distance Easy

DEKOZELL® System

Distance-Easy

No hole marking, super easy installation, very good acoustics, with ceiling cavity. Simply more beautiful and discreet hanging.

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DEKOZELL® System Flexopanel

DEKOZELL® System

Flexopanel

Our best-selling system: very flat, light as a feather, uniquely sound absorbing. Simply wallpaper walls and ceilings, even in swimming pools.

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DEKOZELL® System GK

DEKOZELL® System

Heating & Cooling Ceiling

Turn any GK perforated panel into a seamlessly smooth heating/cooling acoustic ceiling. Even Flying-ball-proof for sports and multi-purpose halls.

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DEKOZELL® System Robust

DEKOZELL® System

Robust

Flying-ball-proof, even for walls: maximum impact resistance, installation depth of up to 5 cm for spotlights and cables, suitable for swimming pools and weathered outdoor areas.

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DEKOZELL® System Maxiswing

DEKOZELL® System

Maxi-Swing

Anyone who likes mineral wool will get their money’s worth here. The all-rounder for heat and sound insulation. Up to 5 cm installation depth for spotlights and cables, not suitable for swimming pools or external walls.

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DEKOZELL® System Moderat

DEKOZELL® System

Moderat

Prime, spray on, done. Inexpensive, possible on very uneven substrates. For revitalised rough surfaces, popular in brutalist architecture such as the industrial look or on unplastered concrete.

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