Invention Grant
US08171687B2 Water vapor barrier for a concrete flooring system 有权
混凝土地板系统的水蒸汽屏障

Water vapor barrier for a concrete flooring system
Abstract:
A water vapor barrier material for a building structure includes a base entangled net material and a composite nonwoven. The composite nonwoven includes a film layer with a nonwoven layer on each side of the film layer. The film layer has a water vapor transmission rate of less than 10.0 g-MIL/100-in2/day at a temperature of 100 degrees Fahrenheit and 90 percent relative humidity.
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