Additionally placement of o hagin vents both high and low should provide an equal.
O hagin low profile roof vents.
The patented o hagin balanced ventilation system utilizes o hagin vents placed strategically with in the field of roofing material both high near the ridge for exhaust and low near the eave for in take this strategic high and low placement of o hagin vents allows the balanced system to fully optimize both wind and thermal effects to provide superior passive ventilation throughout the attic.
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From its founding roots as a roofing company over 40 years ago o hagin has grown into a nationally recognized designer and producer of top quality state of the art attic ventilation solutions.
Today o hagin has local and national testing approvals.
Designed to seamlessly blend form and function the tapered vent provides superior airflow without detracting from the aesthetics of the roof.
O hagin s standard line of attic vents for tile offer superior net free ventilation area nfva while maintaining the aesthetics of the surrounding roofing material.
Is recognized for its industry leading efforts in research development and testing.
O hagin patented attic vents for tile roof applications are manufactured as a two piece system consisting of a primary vent sub flashing and a profile specific secondary vent cover.
The o hagin tapered low profile composition vent designed for slate shake or composition shingle roofs provides 72 square inches of net free ventilation area nfva.