Most ancient or traditional buildings in Italy show steep-slope roofs covered by red clay tiles. As the rooms immediately below the roof are often inhabited in historical or densely urbanized centres, the combination of low solar reflectance of tile coverings and low thermal inertia of either wooden roof structures or sub-tile insulation panels makes summer overheating a major problem. The problem can be mitigated by using tiles coated with cool colours, that is colours with the same spectral response of clay tiles in the visible, but highly reflecting in the near infrared range, which includes more than half of solar radiation. Cool colours can yield the same visible aspect of common building surfaces, but higher solar reflectance.Studies aimed at developing cool colour tile coverings for traditional Italian buildings have been started. A few coating solutions with the typical red terracotta colour have been produced and tested inthe laboratory,using easily available materials. The spectral response and the solar reflectance havebeen measured and compared with that of standard tiles.

Spectral response data for development of cool coloured tile coverings / Libbra, Antonio; L., Tarozzi; Muscio, Alberto; Corticelli, Mauro Alessandro. - In: OPTICS AND LASER TECHNOLOGY. - ISSN 0030-3992. - STAMPA. - 43:2(2011), pp. 394-400. [10.1016/j.optlastec.2009.07.001]

Spectral response data for development of cool coloured tile coverings

LIBBRA, Antonio;MUSCIO, Alberto;CORTICELLI, Mauro Alessandro
2011

Abstract

Most ancient or traditional buildings in Italy show steep-slope roofs covered by red clay tiles. As the rooms immediately below the roof are often inhabited in historical or densely urbanized centres, the combination of low solar reflectance of tile coverings and low thermal inertia of either wooden roof structures or sub-tile insulation panels makes summer overheating a major problem. The problem can be mitigated by using tiles coated with cool colours, that is colours with the same spectral response of clay tiles in the visible, but highly reflecting in the near infrared range, which includes more than half of solar radiation. Cool colours can yield the same visible aspect of common building surfaces, but higher solar reflectance.Studies aimed at developing cool colour tile coverings for traditional Italian buildings have been started. A few coating solutions with the typical red terracotta colour have been produced and tested inthe laboratory,using easily available materials. The spectral response and the solar reflectance havebeen measured and compared with that of standard tiles.
2011
43
2
394
400
Spectral response data for development of cool coloured tile coverings / Libbra, Antonio; L., Tarozzi; Muscio, Alberto; Corticelli, Mauro Alessandro. - In: OPTICS AND LASER TECHNOLOGY. - ISSN 0030-3992. - STAMPA. - 43:2(2011), pp. 394-400. [10.1016/j.optlastec.2009.07.001]
Libbra, Antonio; L., Tarozzi; Muscio, Alberto; Corticelli, Mauro Alessandro
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/618842
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