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Maintenance programmes for flat roofs in existing buildings

João Morgado (Instituto Superior Tecnico, Universidade de Lisboa, Lisbon, Portugal)
Inês Flores-Colen (Instituto Superior Tecnico, Universidade de Lisboa, Lisbon, Portugal)
Jorge de Brito (Instituto Superior Tecnico, Universidade de Lisboa, Lisbon, Portugal)
Ana Silva (Departamento de Engenharia Civil, Arquitectura e Georrecursos, Instituto Superior Tecnico, Universidade de Lisboa, Lisbon, Portugal)

Property Management

ISSN: 0263-7472

Publication date: 19 June 2017

Abstract

Purpose

The purpose of this paper is to propose a maintenance programme for flat roofs in existing buildings, based on the inspection of 26 buildings in-service conditions, located in the Lisbon region, in Portugal. A proactive maintenance of flat roofs in existing buildings allows reducing their pathology, thus improving their performance and service life.

Design/methodology/approach

The maintenance plan was established based on the degradation state of the maintenance source elements (MSEs) analysed, the aggressiveness of the surrounding environment and the age of the roofs and maintenance actions carried out during the roofing systems’ life cycle.

Findings

The maintenance plan proposed in this study includes the prioritization of the interventions, the definition of the required maintenance operations and the definition of the frequency of the intervention, considering the service lives of the MSEs.

Research limitations/implications

The study addresses only roofs located in the Lisbon area. Even though a relatively large sample of 26 roofs was used, the findings and conclusions can clearly be extrapolated for a much wider scope.

Practical implications

The maintenance plan proposed in this study considers a planning of proactive maintenance operations to continuously and effectively monitor all the relevant MSE.

Originality/value

This plan allows minimizing the incidence and spread of defects, thus enabling the optimization of resources, reducing the costs of the entire maintenance system and improving the quality of the built environment.

Keywords

  • Building defects
  • Flat roofs
  • Maintenance plans
  • Priority of interventions

Citation

Morgado, J., Flores-Colen, I., de Brito, J. and Silva, A. (2017), "Maintenance programmes for flat roofs in existing buildings", Property Management, Vol. 35 No. 3, pp. 339-362. https://doi.org/10.1108/PM-08-2016-0040

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Emerald Publishing Limited

Copyright © 2017, Emerald Publishing Limited

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