What is covered by the ten-year guarantee?
The ten-year guarantee is a responsibility that weighs on the builders with regard to the project owners.
It covers certain damages that may affect a construction in its solidity or make it unfit for its intended purpose and this, for a period of 10 years from the acceptance of the work.
You must ask the company for a copy of its ten-year guarantee certificate.
Then check the subscribed activities. In addition, you can call the insurer to verify that his insurance contract is valid.