Effective impact sound insulation with PCI products

In Germany, binding criteria for impact sound insulation are set out in DIN 4109. These represent the minimum requirements for building inhabitants. In general, impact sound in residential buildings should not exceed a value of 53 dB. In individual cases, more stringent limits as low as 46 dB apply.

Impact sound insulation for flooring can be provided either using rigid boards or elastic mats. As a general principle, the less a material can be compressed, the higher its quality and the more effective the impact sound insulation it provides – as in the case of our premium product PCI Pecilastic® U. In addition, PCI Pecitape® Silent insulating strips should be used to avoid sound transmission paths when applying leveling compounds or tile adhesives. The advantage of these products is that they can be used on a wide variety of substrates including screeds, flooring or untreated floors and in wet and dry rooms. 

Product subgroups

Product subgroups

What impact sound insulation can achieve

The main function of conventional impact sound insulation is to reduce the impact sound caused by footfalls on floors and staircases in buildings. In addition, the acoustic climate of a room can be significantly improved using appropriate materials. If this approach is adopted, steps on hard floors or in large rooms do not echo as intensively. The insulating mats of the PCI Polysilent® family can be installed on various old floor coverings such as ceramic tiles, wooden boards, chipboards or cement screeds.

The waterproofing and insulating membrane PCI Pecilastic® U is suitable for use in wet areas without pressing water. To obtain information on the right impact sound insulation product for your project, just contact your local PCI specialist adviser. 

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Insulating mats precisely tailored to the requirements of your flooring material

In buildings, impact sound is transmitted to lower floors via the flooring material. This is why it makes sense to install a floating screed on reinforced concrete floors. This means that the floor covering is then acoustically insulated from other components of the building as the screed is not directly joined to the wall or floor at any point.

Flexible flooring materials also provide additional impact sound insulation but are no substitute for the effect of the screed. The ideal PCI impact sound insulation product should be selected on the basis of the flooring material which is later to be used. This is the only way of achieving good results in the long term.

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