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Title
Adequate Ventilation of Low-Slope Roof Systems: The Need for Better Understanding and Guidance
Adequate Ventilation of Low-Slope Roof Systems: The Need for Better Understanding and Guidance
Date
2/2024
2/2024
Author(s)
Domenico D'Amato, Antonio Renzullo, and Domenic Chiovitti
Domenico D'Amato, Antonio Renzullo, and Domenic Chiovitti
Page(s)
34-39
34-39
Source
IIBEC Interface
IIBEC Interface
Keyword(s)
roof; architects; ventilation; attic
roof; architects; ventilation; attic
Abstract
IN MONTREAL, QUEBEC, low-rise residential buildings with low-slope roof systems are an important part of the city's architectural character. However, the current building code requirements and typical design and construction practices for these structures do not always provide for adequate ventilation of attic spaces. This article explains how the current code requirements were derived and uses case studies to illustrate ventilation problems and the repair strategies employed. Collaborative research efforts to address gaps in our knowledge and provide better guidance to architects and building enclosure professionals are also described. Low-slope roof systems refer to a roof system with a slope less than 1 :6 and are commonly called "flat" roofs, such as throughout this article.
IN MONTREAL, QUEBEC, low-rise residential buildings with low-slope roof systems are an important part of the city's architectural character. However, the current building code requirements and typical design and construction practices for these structures do not always provide for adequate ventilation of attic spaces. This article explains how the current code requirements were derived and uses case studies to illustrate ventilation problems and the repair strategies employed. Collaborative research efforts to address gaps in our knowledge and provide better guidance to architects and building enclosure professionals are also described. Low-slope roof systems refer to a roof system with a slope less than 1 :6 and are commonly called "flat" roofs, such as throughout this article.