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ASTM Selected Technical Papers
Water Vapor Transmission Through Building Materials and Systems: Mechanisms and Measurement
By
HR Trechsel
HR Trechsel
1
H. R. Trechsel Associates
,
Germantown, MD 20874
;
symposium cochairman and coeditor
.
Search for other works by this author on:
M Bomberg
M Bomberg
2
Institute for Research and Construction National Research Council of Canada
,
Ottawa, Ontario, K1A OR6 symposium cochairman and coeditor
.
Search for other works by this author on:
ISBN-10:
0-8031-1254-8
ISBN:
978-0-8031-1254-4
No. of Pages:
181
Publisher:
ASTM International
Publication date:
1989

This paper reviews key issues addressed during the ASTM Symposium on Mechanisms and Measurements of Water Vapor Transmission through Materials and Systems. It presents unresolved issues in the laboratory measurements and postulates actions to be considered in the future development of ASTM test methods.

1.
Johnson
,
A. W.
, “
Do We Have a Moisture Problem
,”
Moisture Control in Buildings, Workshop at Building Thermal Envelope Coordinating Council
,
Washington, DC
, 25–26 Sept. 1984.
2.
Gavin
,
P. M.
, “
Moisture Migration in Walls: A Summary of Current Understanding
,”
Moisture Control in Buildings, Workshop at Building Thermal Envelope Coordinating Council
,
Washington, DC
, 25–26 Sept. 1984.
3.
Adamson
,
B.
,
Ahlgren
,
L.
,
Bergstrom
,
S. G.
and
Nevander
,
L. E.
, “
Moisture, Moisture Problem in Building Technology
,” (in Swedish),
Swedish Building Research Council
, Program 12,
Stockholm
,
1970
.
4.
Kjaer
,
A.
and
Christensen
,
G.
, “
Measurement of Moisture Transfer in Building Materials
,” SBI Report 79,
Danish National Institute for Building Research
, Copenhagen,
1971
.
5.
Tveit
,
A.
, “
Measurements of Moisture Sorption and Moisture Permeability of Porous Materials
,” Report No. 45,
National Building Research Institute
, Oslo,
1966
.
6.
Zehendner
,
H.
, “
Water Permeability of Cellular Plastic Foams
” (in German), Isolierung 4,
LambdaVerlag
,
Munchen
,
1978
.
7.
Joy
,
F. A.
and
Wilson
,
A. G.
, “
Standardization of the Dish Method for Measuring WVT
,”
Humidity and Moisture
, Vol.
4
,
Reinhold Publishing Co.
,
1965
,
New York
, pp. 259–270.
8.
Babbitt
,
J. D.
, “
The Diffusion of Water Vapour Through Various Building Materials
,”
Canadian Journal of Research
 0366-6581, Vol.
17, A
, No.
2
,
1939
, pp. 15–32.
9.
Babbitt
,
J. D.
, “
On the Diffusion of Adsorbed Gases Through Solids
,”
Canadian Journal of Physics
 0008-4204, Vol.
29
,
1950
, pp. 437–446.
10.
Chang
,
S. C.
, “
Water Vapour Permeability Tests for Building Papers
,” thesis,
University of Saskatchewan
,
1951
.
11.
German Standard DIN 52615
,
Testing of Thermal Insulation, Determination of Water Vapor Permeability of Building and Insulating Materials (in German)
,
06
1973
.
12.
Hens
,
H.
, “
Some Considerations About the Measurement of Diffusion Resistance Number “mi” of Building and Insulation Materials
,”
Catholic University in Leuven (KUL)
, presentation to CIB W-40 meeting,
Washington, DC
,
1976
.
13.
Wilkins
,
W. L.
and
Pullan
,
M. R.
, “
Effect of Barometric Pressure Changes on WVT Measurements
,” presentation to the Water Vapor Transmission Symposium from Fiberglass Canada Inc.,
10
12
1988
.
14.
Yaseen
,
M.
and
Ashton
,
H. E.
, “
Water Vapor Permeation Through Clear Coatings
,”
Journal of Coating Technology
 0361-8773, Vol.
50
, No.
645
,
1978
, pp. 50–59.
15.
Chang
,
S. C.
and
Hutcheon
,
N. B.
, “
Dependence of Water Vapour Permeability on Temperature and Humidity
,”
Transactions
,
American Society of Heating, Refrigeration and Air Conditioning Engineers
, Vol.
62
, Paper 1581,
06
1956
, pp. 437–450.
16.
Fournier
,
D.
, “
Study About ISO-DIS 1663-2 Water Vapor Transmission Characteristics of Cellular Plastics
,” Technical Report to ISO/TC 61/SC 10 meeting,
04
1981
,
Centre de Recherches Industrielles de Rantigny
,
St. Gobain, France
.
17.
Chang
,
S. C.
and
Hutcheon
,
N. B.
, “
Performance of Desiccants in the Dry Pan Test for Water Vapour Permeance of Membranes
,”
Canadian Journal of Technology
, Vol.
31
,
1953
, pp. 175–192.
18.
Bomberg
,
M.
, “
Laboratory Methods for Determining Moisture Absorption of Thermal Insulations, Part I: Review
,”
Journal of Thermal Insulation
, Vol.
6
,
1983
, pp. 232–249.
19.
Forgues
,
A. O.
,
Part II: Comparison of Three Water Absorption Test Methods with Field Performance Data
,”
Journal of Thermal Insulations
, Vol.
7
,
1983
, pp. 128–137.
20.
Strzepek
,
W. R.
, “
Non-Isothermal Water Absorption Methods
,” presentation to the Water Vapor Transmission Symposium from Dow Chemical USA,
10
12
1988
.
21.
Swiss Standard SIA 279 on Thermal Insulation
, “
Water Absorption by Diffusion
,” Test No. 7,
1980
.
22.
Tobiasson
,
W.
,
Greatorex
,
A.
, and
Van Pelt
,
D.
, “
Wetting of Polystyrene and Urethane Roof Insulations in the Laboratory and on a Protected Membrane Roof
,”
Journal of Thermal Insulation
, Vol.
11
,
10
1987
, pp. 108–119.
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