The discussion of the thermal insulation and its pecularities

In the first part of this study, a short knowledge for the subject and the contents of the study are presented. And the second part gives us some base know ledges about the importance of thermal insulation and its benefits, the relation between the thermal and the heat is presented, and is given a place some definition is used in the calculation. And the third part of the study, the description of materials that are used for thermal insulation, especially the technical properties of these materials when they are used on walls in the buildings are explained. Forth part of the study, tells about the techniques of thermal insulation on the walls, roofs, windows and the upholsteries and these are showed by the diagrams In the fifth part, for an experimental 4 flat- building thermal insulation have been calculated by the rules of Thermal Insulation Techniques TS 825 and then the results are explained.