FLEXIM is a ready-to-use, permanently elastic roof mortar. An important component is the natural product linseed oil, used for centuries in building construction. FLEXIM contains no asbestos, or any other harmful substance and due to an addition of lightweight polystyrene (CFC-free) is extremely easy to handle on roofs. FLEXIM is now being used for many types of market application, including repair, restoration and the construction of new buildings.