One of the most important strategic tasks, the solution of which is aimed at the development of the construction complex, is to improve the quality and competitiveness of construction products. In work the technique of an estimation of competitiveness of building production with the account of the criteria characterizing the basic properties and cost of considered objects is offered. The application of this methodology allows us to obtain not only reliable results of assessing the competitiveness of products, but also to determine the degree of improvement for each of the analyzed criteria after the corrective and preventive measures taken to improve the quality of products.

Keywords: quality, competitiveness, plastic window construction, profile system, weight ratio, integrated priority