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  Moisture Studies


Moisture Problems in Manufactured Homes: Understanding Their Causes and Finding Solutions
This guide is the MHRA's second volume in its Excellence in Design, Manufacturing and Installation Series. This 60-page guide is designed to assist manufacturers, retailers, setup crews, and homeowners in recognizing and solving moisture sources, movement, and accumulation, and offers strategies for avoiding moisture problems and curing problems when they do arise.
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Measured Permeance Values for Selected Interior Wall Assemblies
In March 2000, HUD issued a proposed waiver concerning condensation control for exterior walls of manufactured homes sited in humid climates. This proposed waiver would permit the optional placement of the vapor retarder on the outside of exterior wall insulation in hot, humid climate regions with the provision that the interior wall board and finish must attain a combined perm rating of 3.0 of greater. MHRA collected samples of wall constructions from manufacturers and coordinated a series of test, applying the ASTM E96-95 protocols, to measure perm ratings for wall systems of manufactured homes currently in use in hot and humid climates.
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  Moisture Field Study
The objective of this study was to examine manufactured homes in the Gulf Coast area, gather information on the moisture problems, and determine the contributing factors to those problems. The potential contributors to moisture problems were identified and studied.
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