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Coating solutions to fight noise
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Noise protection
to make sure that important things are heard

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  2. Solutions
  3. Noise Protection / Sound Deadening Coatings

Coatings for noise protection / sound deadening

Noise is one of the most unpleasant and health-hazardous effects. In particular monotonous levels or high, impulsive tones can lead to unbearable workplace conditions. For noise abatement basically two types of noise transmission have to be distinguished:

Airborne sound – spreads in the room and can only be combated after its formation by absorbing or sound-breaking measures. These are usually bulky and must be visibly attached as plates, cones or geometric construction in the area of ​​preferred sound propagation.

Structure-borne sound – initially spreads in the material of the sound source and then passes into airborne sound. Fortunately, structure-borne noise can be effectively combated already during its formation by resonance-altering measures directly at the sound source. This leads to a significant reduction in sustained noise levels and in particular to a huge reduction in peak effects, e.g. by impact. In addition, the overall pitches are lowered and thus subjectively classified as being more pleasant.

Noise protection / drone protection to make sure that important things are heard Objectives Providing sound deadening for surfaces by means of structure-borne noise coatings – seamless, humidity-protected and decoratively – as required in accordance with international FDA pharmaceutical and food standards. Technical solutions in detail MetaLine 440 - Sound deadening and noise protection coating

Downloads

MetaLine 440 Brochure: Sound Deadening
Repair-Enquiry

Objectives

Seamlessly dethrone metallic surfaces and sound boxes with a structure-borne noise-inhibiting coating - if required due to international FDA pharmacy and food standards. The system tends to eliminate high frequencies. Components sound deeper (bass-like). No fading / No Echo / No Reverb. 

The de-drumming takes place on the non-visible inside or, in the case of conveyors, on the outside facing away from the load - wear-free!

Note: Not efficient for wall thicknesses above 5 mm (3/16 inch) or for pure airborne noise abatement.

Technical solutions in detail

MetaLine 440 –

Trowel- or sprayable sound deadening coating. Self-applicable. Waterbased!

More information

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Explained in simple terms...

Video: Noise Protection / Sound Deadening

Body sound reduction - this chute in a food packaging machine has been noise reduced with MetaLine 440 and a top coat of MetaLine 795. The smooth and non-porous surface structure offers perfect cleaning capabilities and an undisturbed long-time function
Sound deadening coating - this metalic connector in a pneumatic feeding system has lost all its disturbing noise character after the professional treatment with MetaLine 440
Noise absorbing coating - metalic feeding unit of an assembly unit. A 3 mm thick coat of MetaLine 440 optimizes the body sound properties. Without any resonance after treatment - like a FRP structure
Noise reducing treatment - the MetaLine 440 sound isolated part can be overpainted with most varnishes. The sealing of the porous surface structure is essential in order to avoid moisture absorption
Sound reducing coating - a treatment with MetaLine 440 can be finalized with a top coat of MetaLine's FDA approved (pharmaceutical) Series 500 or 700 coatings
Noise minimizing coating - after treating this sprial chute a significant drop of 12 dB(A) in noise could be realized. This without disturbing the inner sliding characteristics of the chute
Sound reduction - this term is not technically correct. Our structure-borne sound-reducing coating prevents sound from being generated in the first place. Sound that is already spreading in the air can no longer be neutralised with a coating. In other words, MetaLine "gets to the root of the problem"!
Noise encapsulation - Reducing structure-borne noise with MetaLine 440 does not have to be a full-surface application. Depending on the material and the component geometry, a partial coating is sufficient - money saved!
Droning reduction - droning reduction with MetaLine 440 is visually dull, somewhat uneven and not attractive. MetaLine 440 should be imperatively sealed by painting or MetaLine Series 500/700 coating in case of moisture, liquid contact, presence of organic substances and similar!
Noise inhibition - it's pure physics! The design of the coating has an influence on its effectiveness. MetaLine is a specialist in textures of coatings to achieve the best possible results. There is no substitute for experience!
Sound insulation - can be so beautiful! MetaLine coatings can satisfy visual needs and improve functionality. Design meets optics!
Noise control - quietness in the workplace is not a luxury, but a health need. MetaLine 440 reduces all high frequencies and eliminates reverberant resonance - a perfect start!
Drone protection - in the food and pharmaceutical sectors. With its FDA conformity, MetaLine is a safe bank in hygiene applications. Not only because of the certification - but because nothing can flake off from a rubber! Unlike rigid paint systems!
Noise emission - in this case triggered by metallic fittings. A constant banging and clanking. Watch the MetaLine 440 video and you will know how quiet the machine has become after our treatment!