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Low-slope roofs are widely used but they are often vulnerable to water damage. As removal of water is difficult and expensive, low-slope roofs often have short service life and poor cost-performance ratio. To improve the durability of low-slope roofs, a dryable-on-demand roofing system has been proposed. The design, which includes a mechanism for moisture detection, was evaluated by means of numerical modeling and laboratory measurements. Compared to traditional low-slope roofs, the suggested design offers several advantages including better cost-effectiveness, lower replacement costs, and lower use of resources. The paper shows that building envelope components that are prepared for repair and maintenance may be cost-effective.

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