Insurance intended to cover a loss, before other insurance that the insured or a third party may have subscribed. In divided co-ownership, when insurance policies against the same risks and covering the same property has been subscribed separately by the syndicate of co-owners and by a co-owner, those subscribed by the syndicate constitutes primary insurance.
Water damage is the leading cause of loss in co-ownership. It is more and more costly, for syndicates and their insurers. In the last ten years, occurrences of water damages have more than doubled.
Lack of maintenance, sub-standard construction and climate changes are the main culprits. In most cases water damage affects equally common and private portions, thus it is one of the most complex loss to adjust.