Products / OmniRoll OR-20
OmniRoll OR-20
OmniRoll (model OR-20) is Lomanco's 20-foot rolled shingle-over ridge vent. The flyer prints a full 18 square inches of net free area per linear foot (360 per roll), a 2/12 to 16/12 roof pitch range, exterior convolute baffles, patented molded fanfold end plugs, supported nail holes every foot, cut lines at one foot intervals and no filter to clog, and lists airflow of 95, 235 and 430 CFM per 4-foot section at wind velocities of 3, 8 and 15 mph. It is marked CSA Approved and states a Lifetime Limited Warranty; Lomanco's shingle-over warranty names the OR-20.
Manufacturer
Material
Product line
Omni Series
Warranty
limited-lifetime (material)
Status
active
Spec sheet
Related
Related guides
Sources
- media.lomancovents.com verified 2026-09-25
- media.lomancovents.com verified 2026-09-25
- lomanco.com verified 2026-09-25