Since 1966, IMPER ITALIA has been producing bitumen-polymer waterproofing membranes and is the "leader" both in product quality and in its presence in the national and international markets. This is also confirmed by certificates of technical suitability issued by ITC (CNR) and member institutions of the UEAtc (Union Européenne pour l'Agrément Technique dans la Construction), such as: CSTB (France), BBA (UK), IAB (Ireland), UEAtc ( Belgium), as well as other certificates of international organizations such as EMI (Hungary), JIS (Japan), BRANZ (New Zealand), Factory Mutual System. (USA), Bureau Veritas (France), SOCOTEC (France), Laboratoire Central Ponts et Chaussées (France).