STIA grants 30 years warranty for an Admonter natural floor. But, honestly: who will still have the invoice at hand after 20, 25 years? STIA Holzindustrie therefore offers its customers a very special service. Simply complete the reverse of this card, have it confirmed by your dealer and return it: In this way your data will be centrally stored by us and can be easily retrieved if required. Even after 30 years!