The idea of roof vents existed for hundreds of years with natural vents employed in chinese buildings during the tang dynasty natural ventilation ducts in the buddhist monks caves and wind catchers incorporated in arabian architecture.
O hagin roof vents.
Today o hagin has local and national testing approvals.
Attic vent for clay flat tile roofing.
For the complete pdf version of the installation instructions in english and in spanish please follow one of the links below.
Attic vent for composition shingle slate shake roofing.
4 inch subflashing with diverter cap sheet pickle n paint technique video.
It is compatible with 3 or 4 ductwork and includes a 3 to 4 adapter for convenience.
And foreign patents are pending.
Vent roofs with steeples towers or cupolas can be found in different buildings from barns to cathedrals.
Attic vent for 2 piece clay tile roofing.
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.
Benefits of attic ventilation best vents for compo roofs o hagin vents are manufactured and protected under one or more of the following patents other u s.
The building codes and building science for.
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.
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.