Ohagin Roof Vents Calculator

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. Use avp s roof vent calculator to determine the number and size of exhaust vents you will need. O hagin is a recognized leader in attic ventilation testing and design o hagin products hold local and national approvals including.

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Vent Calculator O Hagin

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Is recognized for its industry leading efforts in research development and testing.

Ohagin roof vents calculator.

877 324 0444 instructions complete step by step installation instructions are. 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. For balanced ventilation an equal amount of intake vent area net free area should also be installed. Profile specific attic vents for tile roofing applications.

For the complete pdf version of the installation instructions in english and in spanish please follow one of the links below. Today o hagin has local and national testing approvals. 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.

Class a fire rated miami dade county product control approved for complete testing information call. O hagin vent calculator quick vent calculation guide for o hagin s standard weathermaster and fire ice attic vents there are two important pieces of information required in order to calculate the adequate number of vents required for your project. Quick vent calculation guide for o hagin s standard weathermaster and fire ice attic vents there are two important pieces of information required in order to calculate the adequate number of vents required for your project. Determine the total square footage of the attic floor space to be ventilated.

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. For the complete pdf version of the installation instructions in english and in spanish please follow one of the links below.