US Patent 8935895 Rollable ridge vent panel

A rollable ridge vent panel includes first and second sidewalls, each including flexure portions. A side member extends in a direction that is parallel with the longitudinal extent of the ridge vent panel. A flex member includes a first wall and a second wall that are connected via a flex line and which flare from a top side of the ridge vent panel to a bottom side of the ridge vent panel. A first vented portion is disposed between the first sidewall and the body. A second vented portion is disposed between the second sidewall and the body. A plurality of primary buttresses are disposed in a parallel arrangement on an underside of the body, each being disposed substantially normal to the body. A plurality of secondary buttresses are disposed parallel to the plurality of primary buttresses on the underside of the body.