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Abstract
A reliable prediction of the performance and service life of roofing membranes is necessary for effective maintenance and rehabilitation decision making and for optimal system selection. However, the prediction of the service life of roofing membranes is a very complex problem owing to the inherent variability of the consistent materials in service conditions. environmental. factors. workmanship quality and variety of membrane systems. At present, there is neither a standardized nor a reliable approach for service life prediction of building envelope components. Simplistic empirical methods such as the factorial approach have been proposed; however, these are inadequate because their deterministic format cannot be readily ascertained and the selection of the standard life of components and related degradation adjusting factors is somewhat arbitrary. This paper provides an outline of the developments required to ?? the service life prediction of roofing membranes using field investigations and inspection related to the condition assessment rating of the membrane.
A reliable prediction of the performance and service life of roofing membranes is necessary for effective maintenance and rehabilitation decision making and for optimal system selection. However, the prediction of the service life of roofing membranes is a very complex problem owing to the inherent variability of the consistent materials in service conditions. environmental. factors. workmanship quality and variety of membrane systems. At present, there is neither a standardized nor a reliable approach for service life prediction of building envelope components. Simplistic empirical methods such as the factorial approach have been proposed; however, these are inadequate because their deterministic format cannot be readily ascertained and the selection of the standard life of components and related degradation adjusting factors is somewhat arbitrary. This paper provides an outline of the developments required to ?? the service life prediction of roofing membranes using field investigations and inspection related to the condition assessment rating of the membrane.
Date
12/1998
12/1998
Author(s)
ASTM
ASTM
Page(s)
1-20
1-20
Keyword(s)
elastomeric; coating; hail
elastomeric; coating; hail