SYMPOSIA PAPER Published: 01 January 1952
STP46238S

Basic Concepts of Water Vapor Migration and Their Application to Frame Walls

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The laws governing water vapor flow and heat flow through solids are quite similar, but the vapor flow coefficient or permeability is not constant, relative humidity being an important factor for some materials. Vapor flow in the walls of frame dwellings is an unsteady state, and its control by a vapor barrier must consider the moisture storage capacity of wall materials as well as climatic conditions.

Author Information

Joy, F., A.
The Pennsylvania State College, State College, Pa.
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Details
Developed by Committee: C16
Pages: 2–16
DOI: 10.1520/STP46238S
ISBN-EB: 978-0-8031-6762-9
ISBN-13: 978-0-8031-6512-0