STP119

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

    Published: Jan 1952


      Format Pages Price  
    PDF Version (740K) 15 $25   ADD TO CART
    Complete Source PDF (2.7M) 15 $55   ADD TO CART


    Abstract

    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.
    Professor of Engineering Research, The Pennsylvania State College, State College, Pa.


    Paper ID: STP46238S

    Committee/Subcommittee: C16.30

    DOI: 10.1520/STP46238S


    CrossRef ASTM International is a member of CrossRef.