Here a video on how i install a o hagin vent on a shingle roof.
O higgins roof vents.
Is recognized for its industry leading efforts in research development and testing.
For pricing and availability.
For the complete pdf version of the installation instructions in english and in spanish please follow one of the links below.
And holds multiple domestic and international patents with many more pending.
Today o hagin has local and national testing approvals.
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.
The rvk1a steel roof cap kit is an the rvk1a steel roof cap kit is an easy to install vent for ventilation fans bath rec room home gym etc.
Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof.
It is compatible with 3 or 4 ductwork and includes a 3 to 4 adapter for convenience.
This cap features both a back draft damper and bird screen preventing outside air from entering the home and birds and small pests from entering duct work.