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Ridge vents and methods of their use are provided. The preferred ridge vent includes an elongated flexible member having a central panel portion, a pair of lateral edges and a pair of transverse ends. A pair of vent openings are disposed proximate to said lateral edges. The central panel portion inc

Ridge vents and methods of their use are provided. The preferred ridge vent includes an elongated flexible member having a central panel portion, a pair of lateral edges and a pair of transverse ends. A pair of vent openings are disposed proximate to said lateral edges. The central panel portion includes a plurality of support ribs for supporting the central panel portion above the roof. A pair of baffles is disposed laterally from the vent openings and the lateral edges. Each of the baffles is oriented in a first direction relative to the central panel portion for at least a period of time prior to installation and is oriented in a second direction relative to the central panel portion after the installation.

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What is claimed is: 1. A rollable ridge vent for covering an opening of a roof ridge, comprising: an elongated flexible member having a central panel portion, a pair of lateral edges and a pair of transverse ends; a pair of vent openings disposed proximate to said lateral edges; said central panel

What is claimed is: 1. A rollable ridge vent for covering an opening of a roof ridge, comprising: an elongated flexible member having a central panel portion, a pair of lateral edges and a pair of transverse ends; a pair of vent openings disposed proximate to said lateral edges; said central panel portion comprising a plurality of support ribs for supporting said central panel portion above said roof; a pair of baffles disposed laterally from said vent openings and said lateral edges; each of said baffles being oriented in a first direction relative to said central panel portion for at least a period of time prior to installation and being oriented in a second direction relative to said central panel portion after said installation. 2. The ridge vent of claim 1, wherein said pair of baffles are pivotally coupled to said lateral edges. 3. The ridge vent of claim 2, wherein said time prior to installation is when said ridge vent is rolled, and in said first direction said baffles are oriented substantially parallel to a major portion of a top surface of said central panel portion. 4. The ridge vent of claim 2, wherein said second direction is more vertical than said first direction. 5. The ridge vent of claim 4, wherein said baffles are oriented at an angle between about 45-90째 relative to said central panel portion when in said second direction. 6. The ridge vent of claim 1, wherein said central panel portion has a generally planar top major surface between said lateral edges when unrolled, and wherein said pair of vent openings are formed through said central panel portion, inward of said lateral edges. 7. The ridge vent of claim 1 wherein said central panel portion is bi-axially flexible. 8. The ridge vent of claim 1 further comprising support means for assisting said baffles to be maintained in said second direction. 9. The ridge vent of claim 8 wherein said support means comprises at least one fastener associated with each baffle. 10. The ridge vent of claim 1, wherein said baffles are pivotally coupled to said lateral edges and have a height greater than said support ribs, wherein when said baffles are oriented in said second direction said baffles are at an angle less than 90째 to said central panel portion. 11. The ridge vent of claim 1, wherein said baffles each comprise a pliable portion thereof at a bottom end thereof which is conformable to contours in said roof upon installation. 12. The ridge vent of claim 11, wherein said baffles each comprise a main body portion to which said pliable portions are connected, wherein said pliable portions are thinner than said main body portion. 13. The ridge vent of claim 1, wherein said time prior to installation is when said ridge vent is rolled, wherein at least some of said support ribs from said plurality of support ribs are directly coupled to said baffles, said at least some of said support ribs shaped to provide spring tension to pull the baffles to said second direction, said second direction being more vertical than said first direction relative to said central panel portion. 14. A method of installing a ridge vent over an opening of a roof ridge, comprising: providing a ridge vent comprising: an elongated flexible member having a central panel portion, a pair of lateral edges and a pair of transverse ends; a pair of vent openings disposed laterally from said lateral edges; said central panel portion comprising a plurality of support ribs for supporting said central panel portion above said roof; and a pair of baffles disposed laterally from said vent openings and said lateral edges; covering an opening of a roof ridge with said ridge vent; orienting said baffles from a first direction to a second direction relative to said central panel portion; and affixing said ridge vent to said roof ridge so as to allow air to escape from beneath said central panel portion to ventilate a space beneath said roof. 15. The method of claim 14, wherein said orientation step comprises employing support means for assisting said baffles to maintain said second position. 16. The method of claim 14, wherein said baffles are oriented from said first direction to said second direction either manually with clips or fasteners, by employing a tendency of the flexible member to orient itself after being unrolled, or a combination thereof. 17. The method of claim 14 further comprising disposing a plurality of shingles over a portion of said ridge vent. 18. The method of claim 17 further comprising nailing through a portion of said shingles and said roof vent to secure said shingles and said roof vent. 19. The method of claim 14, wherein said pair of baffles are pivotally coupled to said lateral edges, and wherein when in said first direction said ridge vent is rolled and said baffles are oriented substantially parallel to a major portion of a top surface of said central panel portion. 20. The method of claim 14, wherein said second direction is more vertical than said first direction. 21. The method of claim 20, wherein said baffles are oriented at an angle between about 45-90째 relative to said central panel portion when in said second direction. 22. The method of claim 14, wherein said baffles each comprise a pliable portion thereof at a bottom end thereof which is conformable to contours in said roof upon installation, said method further comprising the step of conforming at least a portion of said pliable portion to contours in said roof. 23. A rollable ridge vent for covering an opening of a roof ridge, comprising: an elongated flexible member having a bi-axially flexible central panel portion, a pair of lateral edges and a pair of transverse ends, said central panel portion being generally planar when unrolled; a pair of slotted vent openings formed through said central panel portion and inward of said lateral edges; a pair of baffles pivotally connected to said lateral edges for directing air current; said central panel portion comprising a plurality of descending support ribs for supporting said central panel portion above said roof; said baffle of each side portion being oriented in a first direction relative to a proximate part of said central panel portion when rolled, and being oriented in a second direction relative to said proximate part of said central panel portion after said installation on said roof ridge. 24. The ridge vent of claim 23 wherein said central panel portion is further supported by an internal, integral corrugated gusset. 25. The ridge vent of claim 23, wherein said ridge vent further comprises a filter coupled thereto. 26. The ridge vent of claim 23, wherein said baffles are oriented substantially parallel to a major portion of a top surface of said central panel portion when oriented in said first direction. 27. The ridge vent of claim 26, wherein said baffles are oriented at an angle between about 45-90째 relative to said central panel portion when in said second direction.