The present invention provides a water management building wrap that may be useable between a frame structure of a building and an exterior building covering. In at least one embodiment, the building wrap comprises a permeable membrane and an extruded polymeric drainage structure secured to the seco
The present invention provides a water management building wrap that may be useable between a frame structure of a building and an exterior building covering. In at least one embodiment, the building wrap comprises a permeable membrane and an extruded polymeric drainage structure secured to the second side of the membrane. In at least one embodiment, the drainage structure includes a plurality of generally vertical members having a first thickness and forming boundaries for generally vertical water drainage channels, and a plurality of generally horizontal members attached to the generally vertical members and having a second thickness less than the first thickness and forming integral joints at intersections of the generally vertical members and the generally horizontal members that provide dimensional stability to maintain the orientation of the generally vertical members and form stable vertical water drainage channels.
대표청구항▼
What is claimed is: 1. A water management building wrap, the building wrap being for use between a frame structure of a building and an exterior building covering, said building wrap comprising: a permeable membrane disposable over at least a portion of the frame structure, the membrane, when the m
What is claimed is: 1. A water management building wrap, the building wrap being for use between a frame structure of a building and an exterior building covering, said building wrap comprising: a permeable membrane disposable over at least a portion of the frame structure, the membrane, when the membrane is disposed over the frame structure, having a first side facing the frame structure and a second side facing away from the frame structure; and a drainage structure secured to the second side of the membrane, the drainage structure including a plurality of generally vertical members having a first thickness and spaced apart from each other such that adjacent pairs of the generally vertical members form boundaries for a generally vertical water drainage channel, the drainage structure further including a plurality of generally horizontal members attached to the generally vertical members and having a second thickness less than the first thickness, the drainage structure being an extruded polymeric material forming integral joints at intersections of the generally vertical members and the generally horizontal members, the joints providing dimensional stability to maintain the orientation of the generally vertical members and form stable vertical water drainage channels; wherein the polymeric drainage members comprise a core of polypropylene and an outer layer, surrounding at least a portion of the core, of ethylene vinyl acetate. 2. A water management building wrap comprising: a membrane having a first side and a second side; and an extruded polymeric netting structure secured to one of the sides of the membrane, the netting structure including a plurality of generally vertical members having a first average thickness and spaced apart from each other such that adjacent pairs of the generally vertical members form boundaries for a generally vertical water drainage channel, the netting structure further including a plurality of generally horizontal members extending between and attached to the generally vertical members and having a second average thickness less than the first thickness, the netting structure having integral joints at intersections of the generally vertical members and the generally horizontal members, the joints providing dimensional stability to maintain the orientation of the generally vertical members and form stable vertical water drainage channels; wherein the polymeric netting members comprise a core of polypropylene and an outer layer, surrounding at least a portion of the core, of ethylene vinyl acetate. 3. The building wrap of claim 2, wherein the membrane is vapor permeable. 4. The building wrap of claim 3, wherein the membrane is water resistant. 5. The building wrap of claim 4, wherein the first average thickness is 1.25 to 25 times the second average thickness. 6. The building wrap of claim 5, wherein the first average thickness is 1.5 to 10 times the second average thickness. 7. The building wrap of claim 6, wherein the first average thickness is 2 to 5 times the second average thickness. 8. The building wrap of claim 2, wherein the first average thickness of the generally vertical members is 4 to 290 mils. 9. The building wrap of claim 2, wherein the second average thickness of the generally horizontal members is 0.5 to 50 mils. 10. The building wrap of claim 9, wherein the first average thickness of the generally vertical members is 4 to 290 mils. 11. The building wrap of claim 10, wherein each of the joints have an average thickness of 5 to 300 mils. 12. The building wrap of claim 3, wherein the permeable membrane comprises spun bonded synthetic fibers. 13. The building wrap of claim 3, wherein the permeable membrane has a thickness of 1 to 75 mils. 14. The building wrap of claim 13, wherein the netting is laminated to the permeable membrane. 15. The building wrap of claim 2, further comprising a second membrane. 16. The building wrap of claim 15, wherein the second membrane is vapor permeable. 17. The building wrap of claim 2, wherein the generally vertical members are spaced apart from each other with a first frequency and the generally horizontal members are spaced apart from each other with a second frequency greater than the first frequency. 18. The building wrap of claim 2, wherein the generally vertical and the generally horizontal polymeric members comprise non-coated polymeric members. 19. The building wrap of claim 2, wherein the membrane is impermeable. 20. A water management building wrap, the building wrap being for use between a sheathing of a building and an exterior building covering, said building wrap comprising: a permeable membrane disposed on at least a portion of the sheathing, the membrane having a first side and a second side, the first side, when the membrane is disposed on the sheathing, facing the sheathing; and an extruded polymeric netting structure secured to the second side of the membrane, the netting structure including a plurality of generally vertical members having a first thickness and spaced apart from each other such that adjacent pairs of the generally vertical members form boundaries for generally vertical water drainage channel, the netting structure further including a plurality of generally horizontal members extending between and attached to the generally vertical members and having a second thickness less than the first thickness, the netting structure having integral joints at intersections of the generally vertical members and the generally horizontal members, the joints providing dimensional stability to maintain the orientation of the generally vertical members and form stable vertical water drainage channels; wherein the polymeric netting members comprise a core of polypropylene and an outer layer, surrounding at least a portion of the core, of ethylene vinyl acetate. 21. A water management building wrap, the building wrap being for use between a sheathing of a building and an exterior building covering, said building wrap comprising: a first membrane disposable on at least a portion of the sheathing, the membrane having a first side and a second side, the first side, when the membrane is disposed on the sheathing, facing the sheathing; a second membrane spaced from the first membrane; and an extruded polymeric netting structure between the first and second membrane, the netting structure including a plurality of generally vertical members having a first thickness and spaced apart from each other such that adjacent pairs of the generally vertical members form boundaries for a generally vertical water drainage channel, the netting structure further including a plurality of generally horizontal members extending between and attached to the generally vertical members and having a second thickness less than the first thickness, the netting structure having integral joints at intersections of the generally vertical members and the generally horizontal members, the joints providing dimensional stability to maintain the orientation of the generally vertical members and form stable vertical water drainage channels; wherein the polymeric netting members comprise a core of polypropylene and an outer layer, surrounding at least a portion of the core, of ethylene vinyl acetate. 22. A method of forming a water management building wrap for use between a sheathing of a building and an exterior building covering, said method comprising: disposing a permeable membrane over at least a portion of the sheathing, the membrane having a first side and a second side, the first side, when the membrane is disposed on the sheathing, facing the sheathing; and disposing an extruded polymeric netting structure over the second side of the membrane, the netting structure including a plurality of generally vertical members having a first thickness and spaced apart from each other such that adjacent pairs of the generally vertical members form boundaries for a generally vertical water drainage channel, the netting structure further including a plurality of generally horizontal members extending between and attached to the generally vertical members and having a second thickness less than the first thickness, the netting structure having integral joints at intersections of the generally vertical members and the generally horizontal members, the joints providing dimensional stability to maintain the orientation of the generally vertical members and form stable vertical water drainage channels; wherein the polymeric netting members comprise a core of polypropylene and an outer layer, surrounding at least a portion of the core, of ethylene vinyl acetate. 23. A netting usable with a membrane to provide a water management building wrap having vertical water drainage channels, the netting comprising: an extruded polymeric netting structure securable to one side of the membrane, the netting structure including a plurality of generally vertical members having a first average thickness and spaced apart from each other such that adjacent pairs of the generally vertical members form boundaries for a generally vertical water drainage channel, the netting structure further including a plurality of generally horizontal members extending between and attached to the generally vertical members and having a second average thickness less than the first thickness, the netting structure having integral joints at intersections of the generally vertical members and the generally horizontal members, the joints providing dimensional stability to maintain the orientation of the generally vertical members and form stable vertical water drainage channels; wherein the polymeric netting members comprise a core of polypropylene and an outer layer, surrounding at least a portion of the core, of ethylene vinyl acetate. 24. The building wrap of claim 2, wherein the netting structure is extruded as a single continuous unit and the integral joints are formed during the extrusion process.
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