Ohagin Roof Vents Calculator

In addition to all the design construction features and color choices of the o hagin standard line this patent pending attic vent features an interior stainless steel diffuser that breaks down wind driven rain and snow before it can enter the attic space.

Ohagin roof vents calculator. Use avp s roof vent calculator to determine the number and size of exhaust vents you will need. Our soffit vents round back vents pop vents and universal vents make excellent intake vents. For instance o hagin s whole roof ventilation system encourages superior air movement by exhausting air from the upper eave vents. O hagin is a recognized leader in attic ventilation testing and design o hagin products hold local and national approvals including.

For the complete pdf version of the installation instructions in english and in spanish please follow one of the links below. 877 324 0444 instructions complete step by step installation instructions are. Is recognized for its industry leading efforts in research development and testing. Attic ventilation may also reduce the build up of ice dams in cold areas and may play an important role in prolonging the life of your roof.

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. Determine the total square footage of the attic floor space to be ventilated. Class a fire rated miami dade county product control approved for complete testing information call. 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. And holds multiple domestic and international patents. 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. 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.

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. Ventilation requires the free flow of air which may be achieved through the use of different methods and products. The best ventilation solution for tile roof applications in areas where rain or snow may be a concern.