A Method for the Assessment of Moisture Conditions of Painted Wood Siding in Historic Wood Frame Buildings
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There are many wood frame buildings in the Ottawa area with painted wood siding. As vinyl is a popular replacement, most historic buildings continue to use wood due to its heritage value. Painting the wood siding protects the underlying material from degradation from the surrounding exterior environment. For painted wood siding, periods of high moisture content can lead to premature decay of the wood or cause paint to blister. The role of the paint layer and its importance in protecting wood siding from moisture is the focus in this research. The permeability of the paint layer to vapour and liquid moisture sources is analyzed using WUFI Pro based on the Sd-value and Aw coefficient. Interior and exterior sources of moisture were found to impact the exterior siding. For Ottawa's climate, an exterior paint layer that is permeable (Sd<=0.5m) and with a lower Aw coefficient (<=0.0003 kg/m2h0.5) is recommended.
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Copyright © 2022 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 2022
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halle-amethodfortheassessmentofmoistureconditions.pdf | 2023-05-05 | Public | Download |