Volver a Blog Maintenance, OPEX, CAPEX: The Perfect Balance in Industrialised Construction septiembre 8, 2021 Building maintenance represents 75% of the total expenditure over the asset’s lifetime, making OPEX a key indicator in a 30 or 50-year BTR project. A model that integrates Industrialised Building solutions allows for an optimisation of the CAPEX and OPEX of the project in the long term.