ABSTRACT
The thermal insulating lime plaster developed in this work is regarded as an alternative interior insulation approach suitable for historic and protected buildings in Denmark. The insulating lime plaster matches the original materials in a technical, aesthetic and historic manner. The insulating lime plaster is prepared as a multi coat system. The multi coat system consists of a lower coat for better adhesion and the thermal insulating lime rendering mortar. Re-insulation is a possibility to reduce these heat losses. In addition, re-insulation can improve the indoor environment as the temperature of the inner wall is increased. Regarding re-insulation, application of inappropriate materials can result in moisture build-up and mould formation causing bad indoor environment. The tendency of a material to hold moisture is important in relation to renovation and re-insulation. The main components of the thermal insulating rendering mortar is lime and insulating aggregates.
