Title
Positioning is everything
Positioning is everything
Date
5/2021
5/2021
Author(s)
Mark Graham
Mark Graham
Page(s)
22-24
22-24
Keyword(s)
retarder; layer; vapor; low-slope; diffusion
retarder; layer; vapor; low-slope; diffusion
Abstract
A vapor retarder layer sometimes is specified as an additional component in low-slope roof systems to minimize the potential for condensation to occur. When used, a vapor retarder layer can reduce water vapor diffusion from a building’s interior into roof system components. For a vapor retarder layer to function as it should, it must be placed in a proper location within a low-slope roof system’s cross-section. The following are some guidelines for proper vapor retarder layer placement.
A vapor retarder layer sometimes is specified as an additional component in low-slope roof systems to minimize the potential for condensation to occur. When used, a vapor retarder layer can reduce water vapor diffusion from a building’s interior into roof system components. For a vapor retarder layer to function as it should, it must be placed in a proper location within a low-slope roof system’s cross-section. The following are some guidelines for proper vapor retarder layer placement.