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Azman, M A, Hon, C K H, Skitmore, M, Lee, B L and Xia, B (2019) A Meta-frontier method of decomposing long-term construction productivity components and technological gaps at the firm level: evidence from Malaysia. Construction Management and Economics, 37(02), 72–88.

Belabed, Y, Kerboua, B and Tarfaoui, M (2019) New design for reducing interfacial stresses of reinforced structures with FRP plates. International Journal of Building Pathology and Adaptation, 37(02), 196–207.

Essah, E A, Sanders, C H, Baker, P and Kalagasidis, A S (2009) Condensation and moisture transport in cold roofs: effects of roof underlay. Building Research & Information, 37(02), 117–28.

  • Type: Journal Article
  • Keywords: air leakage; air tightness; cold pitched roofs; condensation; HAM-Tools; permeability; roof design; vapour-permeable underlay
  • ISBN/ISSN: 0961-3218
  • URL: https://doi.org/10.1080/09613210802645973
  • Abstract:
    Cold pitched roofs, with their form of construction situating insulation on a horizontal ceiling, are intrinsically vulnerable to condensation. This study reports the results derived from using a simulation package (Heat, Air and Moisture modelling tool, or HAM-Tools) to investigate the risk of condensation in cold pitched roofs in housing fitted with a vapour-permeable underlay (VPU) of known characteristics. In order to visualize the effect of the VPUs on moisture transfer, several scenarios were modelled, and compared with the results from a conventional bituminous felt with high resistance (200 MNs/g, Sd = 40 m). The results indicate that ventilation is essential in the roof to reduce condensation. However, a sensitivity analysis proved that reducing the overall tightness of the ceiling and using lower-resistance VPUs would help in controlling condensation formation in the roof. To a large extent, the proposed characteristic performance of the VPU as predicted by manufacturers and some researchers may only be realistic if gaps in the ceiling are sealed completely during construction, which may be practically difficult given current construction practice.

Gluch, P and Räisänen, C (2009) Interactional perspective on environmental communication in construction projects. Building Research & Information, 37(02), 164–75.

Hamzeh, F R, Faek, F and AlHussein, H (2019) Understanding improvisation in construction through antecedents, behaviours and consequences. Construction Management and Economics, 37(02), 61–71.

Hanna, A S, Iskandar, K A and Lotfallah, W (2019) Benchmarking project performance: a guideline for assessing vulnerability of mechanical and electrical projects to productivity loss . Construction Management and Economics, 37(02), 101–11.

Hilal, M, Maqsood, T and Abdekhodaee, A (2019) A scientometric analysis of BIM studies in facilities management. International Journal of Building Pathology and Adaptation, 37(02), 122–39.

Kaminsky, J (2019) The global influence of national cultural values on construction permitting. Construction Management and Economics, 37(02), 89–100.

Kenley, R (2019) CME Forum: a response to “Construction flow index: a metric of production flow quality in construction”. Construction Management and Economics, 37(02), 112–9.

Lukito, J A, Susilawati, C and Goonetilleke, A (2019) Climate change adaptation in the management of public buildings: an Indonesian context. International Journal of Building Pathology and Adaptation, 37(02), 140–62.

Mahmoud, A S, Sanni-Anibire, M O, Hassanain, M A and Ahmed, W (2019) Key performance indicators for the evaluation of academic and research laboratory facilities. International Journal of Building Pathology and Adaptation, 37(02), 208–30.

Newsham, G, Brand, J, Donnelly, C, Veitch, J, Aries, M and Charles, K (2009) Linking indoor environment conditions to job satisfaction: a field study. Building Research & Information, 37(02), 129–47.

Olbina, S and Beliveau, Y (2009) Developing a transparent shading device as a daylighting system. Building Research & Information, 37(02), 148–63.

Watts, G, Fernie, S and Dainty, A (2019) Paradox and legitimacy in construction: how CSR reports restrict CSR practice. International Journal of Building Pathology and Adaptation, 37(02), 231–46.

Zalejska Jonsson, A and Hungria Gunnelin, R (2019) Defects in newly constructed residential buildings: owners’ perspective. International Journal of Building Pathology and Adaptation, 37(02), 163–85.

Zolkafli, U K, Zakaria, N, Mohammad Mazlan, A and Ali, A S (2019) Maintenance work for heritage buildings in Malaysia: owners’ perspectives. International Journal of Building Pathology and Adaptation, 37(02), 186–95.