The apartments of a co-ownership must be adequately sound proofed; otherwise, discord will be on the menu of the community of co-owners. Quite simply, appropriate soundproofing should be on top of your shopping list.

The coveted apartment can be in an immovable to be built, newly built or in existence for many years. Warning: a casual visit of the premises does not generally allow you to evaluate the nuisances caused by inadequate soundproofing. The causes of such nuisances are numerous and complex. Therefore, we recommend that you make numerous visits of the premises where you wish to reside. Go back at different dates and at various times of the day.

During your observations, you should obtain answers to the following questions:

  • Were acoustical specifications prepared for the construction of the building?

  • Are the soundproofing standards in the specifications sufficient?

  • If this is the case, what are they?

  • Is it possible to obtain and consult the acoustical specifications of the building? And if not, why not?

  • Has an independent professional tested and approved the soundproofing of the premises?

  • If this is the case, are the written findings of this professional available?

  • Are there rules in the declaration of co-ownership related to the acoustical performance of the building?

  • If this is the case, how are those rules drafted?

  • Are those rules sufficient to insure the adequate acoustical performance, not only for aerial noises, but also for impact noises?

  • Has there been modifications by the co-owners to their apartments? If so, have those modifications reduced the acoustical performance of the building?

  • Are there conflicts caused by noise between the co-owners and the syndicate (or between the co-owners)?


WHAT YOU SHOULD KNOW ! It is useful to read the declaration of co-ownership, which can limit or prohibit certain types of noises.

WARNING ! Noise constitutes one of the most frequent disturbance in a co-ownership. Many conflicts between co-owners are caused by the noise generated by one another. These seeds of discord may lead to many conflicts and litigation.

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