Get all the details on the master flow power attic vent roof mount erv4 here.
Gaf attic ventilation fans.
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.
Hit the calculate button for the recommended amount of exhaust and intake ventilation.
The first step is to check out this 60 second video and learn about the 300 1 rule the difference between intake and exhaust ventilation and why proper ventilation is so important to get right to help calculate your attic ventilation needs visit gaf ventilation calculator.
Gaf roof vents roofing attic ventilation the home depot store finder.
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.
2 see master flow powered ventilation products limited warranty for complete coverage and restrictions.
The amount of exhaust ventilation should never exceed the amount of soffit ventilation.
Find gaf s documents for master flow power attic vent erv4 roof mount here.
See quantities below for each gaf ventilation product typically rounded up.
Enter the length and width of the attic floor or the total square footage of the attic floor.
Master flow power attic vents exhaust a large volume of hot humid air from the attic which can help save on cooling costs.
This american designed fan is designed to reduce attic temperatures and remove destructive moisture thus making your home more comfortable and reducing the load on your hvac system and lowering your electricity bills.
Get all the details here.
Always have a balanced attic ventilation system.
1 based on gaf ashrae ansi standard airflow testing.