Summary: This article considers the problem of natural light and insolation conditions degradation in conditions of residential areas renovation. This article provides an analysis of this degradation and considerers possible methods to increase these parameters

Key words: sun exposure, lighting, reconstruction, light well.

Summary: This article presents the results of the analysis of the characteristics and properties of composite materials, which are applicable in the building industry. Suggested a simplified classification of the given materials with a short description of their characteristics, possible application and derivable properties of the building constructions.

Key words: composite materials, design, new properties