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Secondary facade layers in building refurbishment and their potential impact on building performance

Jentsch, M.F., James, P.A.B. and Bahaj, A.S. (2006) Secondary facade layers in building refurbishment and their potential impact on building performance In World Renewable Energy Congress 2006. Elsevier Science..

Record type: Conference or Workshop Item (Paper)


New building regulations coming into force within the member states of the EU will have a clear impact on building refurbishment of large scale commercial buildings, which will need to comply with minimum requirements for energy performance. The integration of an internal or external fa?e layer whilst retaining the original fa?e offers specific potential for refur-bishment of multi-storey office buildings. It reduces thermal losses in winter and minimises disruption caused by construction. This paper discusses basic fa?e refurbishment options for office buildings at the end of a refurbishment cycle, comparing them in respect of their impact on comfort, operational energy performance and future building maintenance. The energy performance of a naturally ventilated cellular office in the UK is simulated, compar-ing the original fa?e solution with three fa?e refurbishment solutions: a fa?e replace-ment, a secondary internal and a secondary external fa?e layer. It is shown that whilst improvements in the energy performance of the building can be achieved, provision for some form of summer cooling will be necessary. The relative performance of the three fa?e refurbishment options is discussed and their sensitivity to climate change analysed.

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More information

Published date: 1 August 2006
Venue - Dates: World Renewable Energy Congress (WREC-IX), 2006-08-19 - 2006-08-25


Local EPrints ID: 53451
ISBN: 0080450563
PURE UUID: e5b5c897-a48e-4666-bca6-c1b93d8aabce
ORCID for A.S. Bahaj: ORCID iD

Catalogue record

Date deposited: 28 Jul 2008
Last modified: 17 Jul 2017 14:38

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