Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge.
Ohagin roof vents calculator.
Use avp s roof vent calculator to determine the number and size of exhaust vents you will need.
For the complete pdf version of the installation instructions in english and in spanish please follow one of the links below.
Determine the total square footage of the attic floor space to be ventilated.
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.
For the complete pdf version of the installation instructions in english and in spanish please follow one of the links below.
O hagin is a recognized leader in attic ventilation testing and design o hagin products hold local and national approvals including.
Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space.
Class a fire rated miami dade county product control approved for complete testing information call.
Determine the total square footage of the attic floor space to be ventilated.
Profile specific attic vents for tile roofing applications.
877 324 0444 instructions complete step by step installation instructions are.
Today o hagin has local and national testing approvals.
Ventilation calculator let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator.
Is recognized for its industry leading efforts in research development and testing.