A protective drainage wrap comprises a cross-woven material portion, cross-laminate material portion or mesh material portion in first and second directions and a breathable solid layer portion. The material in the first and second directions comprises a polyolefin, polyester, nylon or combinations
A protective drainage wrap comprises a cross-woven material portion, cross-laminate material portion or mesh material portion in first and second directions and a breathable solid layer portion. The material in the first and second directions comprises a polyolefin, polyester, nylon or combinations thereof. The first direction being roughly perpendicular to the second direction. The cross-woven, cross-laminate or mesh material portions being adapted to facilitate a drainage path. The breathable solid layer portion is attached to the cross-woven material portion, cross-laminate material portion or mesh material portion. The breathable solid layer portion is adapted to allow water vapor to flow therethrough.
대표청구항▼
1. A protective drainage wrap comprising: a first portion having cross-woven, cross-laminate or mesh material in a first direction and in a second direction, the first direction and second direction defining a first plane;wherein the material in the first direction comprises a plurality of substanti
1. A protective drainage wrap comprising: a first portion having cross-woven, cross-laminate or mesh material in a first direction and in a second direction, the first direction and second direction defining a first plane;wherein the material in the first direction comprises a plurality of substantially flat tapes having a first thickness in a third direction which is generally perpendicular to the first plane;wherein the material in the second direction comprises a plurality of cords, each of the plurality of cords having a second thickness in the third direction, the second thickness being at least about 2 times greater than the first thickness, the plurality of cords facilitating drainage in the second direction when the protective drainage wrap is installed with the cords oriented generally vertically; anda coating disposed on the first portion, the coating being adapted to allow water vapor to flow therethrough. 2. The protective drainage wrap of claim 1, wherein each of the plurality of cords comprises a single fiber or a yarn strand. 3. The protective drainage wrap of claim 1, wherein the material in the first direction comprises a polyolefin, polyester, nylon or combinations thereof. 4. The protective drainage wrap of claim 1, wherein the material in the second direction comprises a polyolefin, polyester, nylon or combinations thereof. 5. The protective drainage wrap of claim 1, wherein the material in the first and second directions each comprises a polyolefin, polyester, nylon or combinations thereof. 6. The protective drainage wrap of claim 1, wherein the material in the first and second directions and the coating each comprises a polyolefin, polyester, nylon or combinations thereof. 7. The protective drainage wrap of claim 1, wherein the protective wrap is perforated and the coating is adapted to allow water vapor to flow therethrough, at least by reason of the perforations. 8. The protective drainage wrap of claim 1, wherein the coating is a water vapor permeable coating. 9. The protective drainage wrap of claim 8, wherein the water vapor permeable coating comprises a polyolefin, polyester, polyester, nylon or combinations thereof. 10. The protective drainage wrap of claim 1, wherein each of the plurality of cords has a generally oval or generally circular cross-section in a second plane generally perpendicular to the second direction. 11. The protective drainage wrap of claim 1, wherein the material in the first direction has between 6 and 24 substantially flat tapes per inch. 12. The protective drainage wrap of claim 1, wherein each of the plurality of machine direction tapes comprises a single fiber or filament, or a plurality of fibers or filaments aligned with each other. 13. A protective drainage wrap comprising: a first portion having cross-woven, cross-laminate or mesh material generally in a first direction and in a second direction, the first direction and second direction generally defining a first plane,wherein the material in the first direction comprises a plurality of substantially flat tapes having a first thickness in a third direction which is generally perpendicular to the first plane, the material in the first direction comprising a polyolefin, a polyester, a nylon, or combinations thereof, the material in the second direction comprising a plurality of spaced cords having a second thickness in the third direction, the second thickness being at least about 2 times greater than the first thickness, the plurality of cords facilitating drainage in the second direction when the protective drainage wrap is installed with the cords oriented generally vertically; anda coating on the first portion, the coating being adapted to allow water vapor to flow therethrough. 14. The protective drainage wrap of claim 13, wherein each of the plurality of cords comprises a single fiber or a yarn strand. 15. The protective drainage wrap of claim 13, wherein the protective wrap is perforated and the coating is adapted to allow water vapor to flow therethrough, at least by reason of the perforations. 16. The protective drainage wrap of claim 13, wherein the coating is a water vapor permeable coating. 17. The protective drainage wrap of claim 16, wherein the water vapor permeable coating comprises a polyolefin, polyester, nylon or combinations thereof. 18. The protective drainage wrap of claim 13, wherein the material in the first direction has a count of between 6 and 24 substantially flat tapes per inch. 19. A method of facilitating drainage of moisture in a wall system comprising: providing a protective drainage wrap having a first surface and a second surface, the protective drainage wrap comprising a first portion and a second portion,the first portion having a cross-woven, cross-laminate or mesh material in a first direction and in a second direction, the first direction and second direction defining a first plane, wherein the material in the first direction comprises a plurality of substantially flat tapes having a first thickness in a third direction which is generally perpendicular to the first plane and the material in the second direction comprises a plurality of cords, each of the plurality of cords having a second thickness in the third direction, the second thickness being at least about 2 times greater than the first thickness, andthe second portion comprising a coating, the coating disposed on the first portion and adapted to allow water vapor to flow therethrough; andthe method further including fastening the protective drainage wrap to a plurality of framing members or to sheathing with the cords oriented generally vertically. 20. The method of claim 19, wherein the cords define generally vertical drainage channels to facilitate drainage of moisture through generally vertical channels formed on one or both sides of the protective drainage wrap between adjacent ones of the plurality of generally vertically oriented cords. 21. The method of claim 19, wherein the plurality of cords comprise an absorbent material adapted to provide wicking of moisture, and each of the plurality of cords provides a drainage channel at least by reason of the downward flow of water due to gravity through the plurality of cords. 22. The method of claim 19, wherein each of the plurality of cords has a generally oval or generally circular cross section in a second plane generally perpendicular to the second direction. 23. The method of claim 19, further including disposing an exterior finishing over the second surface with the protective drainage wrap located between the exterior finishing and the plurality of framing members or the sheathing. 24. The method of claim 23, wherein the exterior finishing comprises siding, brick, masonry, stucco or concrete veneer. 25. The method of claim 19, wherein the each of the plurality of substantially flat tapes comprises a polyolefin, polyester, nylon or combinations thereof. 26. The method of claim 19 wherein each of the plurality of cords comprises a single fiber or a yarn strand. 27. The method of claim 26 wherein each of the plurality of single fibers or yarn strands comprises a polyolefin, polyester, nylon or combinations thereof. 28. The method of claim 19, wherein the fastening includes fastening the protective drainage wrap to the sheathing, wherein the sheathing comprises at least one of a composite lamination, fiberboard, oriented-strand board, plywood, polyisocyanurate foam, extruded polystyrene foam, and molded expanded polystyrene foam. 29. The method of claim 19, wherein each of the plurality of substantially flat tapes and each of the plurality of cords comprises a polyolefin, polyester, nylon or combinations thereof. 30. The method of claim 19, wherein the protective drainage wrap is perforated and the coating is adapted to allow water vapor to flow therethrough, at least by reason of the perforations. 31. The method of claim 19, wherein the coating is a water vapor permeable coating. 32. The protective wrap of claim 1, wherein the second thickness is at least 3 times greater than the first thickness. 33. The protective wrap of claim 1, wherein the second thickness is at least 4 times greater than the first thickness. 34. The protective wrap of claim 1, wherein the second thickness is between 6 and 8 times greater than the first thickness.
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