International Noise Abatement Day

Every year, on the last Wednesday of April, International Noise Abatement Day is celebrated. The aim is to encourage people to take action against harmful noise in the environment in which they live, work and rest. Hearing unwanted noises can lead to a number of serious health problems, including hearing damage, stress, sleep disorders, high blood pressure and heart disease. Noise manifests itself in different forms. It could be the noise of the next door closing, the traffic jam on the boulevard, or renovations and construction in the neighborhood. If the walls are not insulated with proper materials – you can easily hear your neighbors and to violate your own privacy. DI Trade Group Ltd. offers modern, innovative solutions for improving the sound insulation of existing buildings and reducing the problems created by noise.

How to deal with noise and how to avoid it?
Leave the car and walk, cycle or use public transport;
Talk quieter, turn down the volume on the radio and TV;
Drive at a reasonable speed in populated areas, do not force the car and do not use the horn;
Inform yourself about the noise level emitted by household appliances;
Stay away from noisy restaurants, go for a walk in the mountains;
Insulate your home with modern materials and coatings with soundproofing properties.

Home soundproofing is a necessity, not a luxury …
Although thermal insulation is the first type of insulation that people think about, noise insulation should not be overlooked either. Soundproofing helps to minimize the adverse effects of noise, in the same way that thermal insulation reduces your bills.
Sound insulation in residential buildings is a serious problem because in most of them the necessary measures were not taken during construction.

The types of noise created in a building are divided into three main types:

Air noise
Sounds that are generated and propagated through the air are called airborne noise. Typical sources of airborne sounds are human speech, musical equipment, televisions, musical instruments, etc. Insulation from airborne noise can be achieved in two main ways – through single-layer and multi-layer constructions. A single-layer construction is a construction consisting of a uniform layer or a second layer (e.g. wall and plaster) tightly adhered to it. The sound insulation of such baffles depends on their mass, being weaker in the low-frequency region, where there is a frequency called the “wave-matching frequency” at which it is minimal. The law of mass states that increasing the mass twice improves sound insulation by 6 dB. Multilayered structures are structures that consist of two or more unconnected layers. In these, the sound insulation is based on a mass-resonator-mass system, which produces the mechanical equivalent of a low-pass filter. The lower the tuning frequency of this filter, the better the sound isolation at mid and high frequencies. Di Trade Group Ltd. offers developed systems for sound insulation of walls, produced by the Italian company “Isolgomma”. To make the best choice you can consult our specialists.

Impact noise
Along with measures to insulate against airborne noise, insulation must also be made against the passage of impact noise. It is caused by a collision between two hard objects, e.g. when walking with high-heeled shoes on a wooden or tiled floor, when jumping, more exuberant dancing or playing by children, dropping various objects, dragging tables and chairs, etc. Soundproofing floor structures from impact noise cannot be achieved by increasing their mass alone. The most effective increase in the sound attenuation capacity of floor structures is achieved by placing an intermediate damping layer of soft pads or loose materials over the bearing slab. Di Trade Group Ltd. offers a special range of rubber products, produced by the Italian company “Isolgomma”. They are divided into several series according to their application: under carpet and synthetic flooring, under wooden flooring, under ceramic and stone flooring or under floating floors.
To make the best choice you can consult our specialists.

Structurally distinct noise
Structural noise in buildings results from the operation of various machines, building systems, lifts, etc. The isolation of each structural noise requires an individual solution. Consult us to find the solution to your problem.

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