This study aimed to analyze the evolution of Brazilian wood doors exports in the period 2005-2015, as to itsheir concentration. mMonetary values of exports were collected in the UNCONTRADE database and deflated (base year 2005). To determine the concentration, we used the methods of Herfindahl-Hirschman, and the concentration ratio (CR2, CR4 and CR8), classified in Bain criteria. The real value of Brazilian exports ports for the reporting period increased from US $ 227.3 million in 2005 to US $ 154.3 million in 2015.