Products / Lomanco OmniRidge OR-4

OmniRidge is Lomanco's shingle-over ridge vent, sold in 4-foot stick sections (model OR-4) with a net free area of 72 sq in per 4-foot piece, equal to 18 square inches of net free area per linear foot. It fits roof pitches from 2/12 to 16/12, features an external venturi baffle, weatherproof under-lapping joint, external water shield, and 8 drain holes (4 per foot per side). All Omni Series Shingle-Over Ridge Vents ship with a lifetime limited warranty and are stated to last as long as the roof's shingles. The catalog's product-listing table also marks OR-4 with Miami-Dade County, Texas Department of Insurance (TDI), and CSA approval checkmarks alongside its ICC-ES listing, plus WUI (Wildland Urban Interface) prescriptive compliance.