Abreu, AntónioCalado, João Manuel FerreiraRequeijo, José2017-05-082017-05-082016-01ABREU, A.; CALADO, J.; REQUEIJO, J. – Buildings lean maintenance implementation model. Open Engineering. ISSN 2391-5439. Vol. 6, N.º 1 (2016), pp.397-4062391-5439http://hdl.handle.net/10400.21/6982Nowadays, companies in global markets have to achieve high levels of performance and competitiveness to stay "alive".Within this assumption, the building maintenance cannot be done in a casual and improvised way due to the costs related. Starting with some discussion about lean management and building maintenance, this paper introduces a model to support the Lean Building Maintenance (LBM) approach. Finally based on a real case study from a Portuguese company, the benefits, challenges and difficulties are presented and discussed.engSYSTEMjournal article10.1515/eng-2016-0055