ABSTRACT: The lack of housing in Brazil is around 5,430 million. Nowadays, this problem is one of the biggest challenges of the country. This situation must encourage the research of technological solutions for the production of satisfactory performance houses. Wood Frame housing system could be an option. It is used in North America, Asia and Europe and now is opening space in Latin America, countries like Chile and recently in Brazil. The system presents quick execution and less waste, and also high quality control. A case study was realized for wood frame low-cost houses, mainly about the thermal performance of the walls and to verify the application potentiality of Wood Frame low-cost houses in the city of Foz do Iguaçu-PR. This study was conducted through the execution on-site case study, evaluation of housing execution parameters in residential buildings in which the system was used. Thermal properties were determined for walls and the results analyzed based on parameters of the climate of Foz do Iguaçu-PR and NBR15220 standards and NBR15575. Furthermore, were scored general aspects, such as implantation, type of structure, roof system, electrical and plumbing installations. The technical feasibility of the Wood Frame system for low-cost housing is expected to be affirmed for Foz do Iguaçu-PR, aiming to decrease execution time and confirming sustainability conditions that can be achieved with the system use.
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