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US 8,171,687 B2Granted
Water vapor barrier for a concrete flooring system
AssigneesDell SeVen, Inc., Maxxon Corporation, Southeast Nonwovens, Inc.
InventorsAllan Marcus Dellinger, Patrick H. Giles, Steven F. Nielsen
Life of this patent
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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.
Claims18
A water vapor barrier material for a building structure comprising:
- a base entangled net material;
- and
- a composite nonwoven;
- said composite nonwoven including a film layer with a nonwoven layer on each side of said film layer;
- said film layer having 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.
2 more elements
A building structure with a water vapor barrier comprising:
- an inner structure;
- an outer structure;
- and
- a water vapor barrier material between said inner structure and said outer structure comprising:
- a base entangled net material;
- and
- a composite nonwoven;
- said composite nonwoven including a film layer with a nonwoven layer on each side of said film layer;
- said film layer having 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.
6 more elements
Dependencies are inferred from the claim text.