Changes in solar reflectance of membrane waterproofing materials exposed to different atmospheric conditions

Naoyuki Koshiishi, Takashi Shoji, Ichiro Shimizu, Kyoji Tanaka

Research output: Contribution to journalArticlepeer-review

Abstract

The development of energy-efficient roofing systems has been of intense interest in numerous countries in recent years, as a measure for reducing the energy consumption of air conditioning during hot weather. In this study, fifteen kinds of membrane waterproofing materials with high solar reflectance were exposed respectively to varying atmospheric environments at six locations within Japan in order to investigate the range of reflectance reduction. In addition, the relationship between the retention rate of reflectance after exposure and the mass of the ingredients and their composition adhered to the surface of waterproofing materials exposed.

Original languageEnglish
Pages (from-to)1349-1357
Number of pages9
JournalJournal of Structural and Construction Engineering
Volume78
Issue number690
DOIs
Publication statusPublished - 2013 Aug 1

Keywords

  • Brightness
  • Color difference
  • Dust fall
  • Membrane waterproofing
  • Outdoor-exposure test
  • Solar reflectance

ASJC Scopus subject areas

  • Architecture
  • Building and Construction

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