Delphi method application for the roofing projects

Abstract

The authors of the article carried out feasibility study of the Delphi method application to improve the decision-making in assessing of the roofs installation projects. Applied methods – there were analysis of scientific literature and other information sources, analysis of decision support systems, and study of Delphi method application for decision support system for the roofing. The authors and during Delphi method process interviewed experts had to select the essential parameters to be assessed in order to help for the customers to choose the desired project. These parameters were of properties: geometric, aesthetic, physical, ecological, economic, durability, efficiency, ecological, safety, and warranty for the roof. Selected parameters and their weights were used in the decision support system database development. In the data base, an individual roofs graphic representation and the projects costs were added to. Roof installation projects evaluation by points and these projects evaluation results presentation to the customers is helpful in choosing the right roof design.