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Abstract
AS A FORENSIC architect practicing in the US and specializing in the assessment of existing and design of new roofing and waterproofing systems, the author has encountered too many underperforming roof assemblies. These roofs have reduced service lives, often falling well short of the typical manufacturer's material warranty period of 20 years. See Figure 1 for an example of a typical underperforming roof. Why is this so?
AS A FORENSIC architect practicing in the US and specializing in the assessment of existing and design of new roofing and waterproofing systems, the author has encountered too many underperforming roof assemblies. These roofs have reduced service lives, often falling well short of the typical manufacturer's material warranty period of 20 years. See Figure 1 for an example of a typical underperforming roof. Why is this so?
Date
3/2026
3/2026
Author(s)
Jason Wilen
Jason Wilen
Page(s)
26-33
26-33
Source
IIBEC Interface
IIBEC Interface
Keyword(s)
building; code; climate; zone
building; code; climate; zone