Solar radiation is an important variable in architectural design, influencing the thermal comfort and luminal environments. In architecture there are the external solar protection elements that regulate the amount of sunlight in buildings. This work seeks to analyze briefly was employed as the solar protection elements (brises and balconies) in the buildings of the central city of Foz do Iguaçu-PR, checking the type of sun protection and guidance that were applied in buildings. For this survey was carried out on the spot where he was examined and photographed the types of elements used on the facades of buildings of 70 blocks of the downtown area. Through research it was found that the solar protection elements are used in a balanced manner on all fronts , the north facade (26.7 %) is the most used to least used and south (23.3 %) of these protective elements solar. The south facade, despite not need sun protection in Foz do Iguaçu, has 23.3 % of the use of these elements. Of total external solar protection elements, stands on the balcony with 59 % usage, and soon after the horizontal louvers (21 %). The louvers and mixed Cobogó are the least used, with only 5 % and 3 % respectively.