Lomanco offers OmniRoll™, a roll-out shingle-over ridge vent.

Lomanco, Jacksonville, Ark., offers OmniRoll™, a roll-out shingle-over ridge vent. The 20-foot roll is 18 square inches per linear foot. It can be used on any roof pitch up to 16:12. The exterior convolute baffles have an in-curved design allowing flexibility to roll up and out while maintaining shape. The air-flow acceleration design maximizes ventilation capacity. The product comes with a 30-year transferable warranty.