Draw a circle on the roof matching.
Installing a roof attic fan.
Roof fans install right through your roof and are usually installed when you are having work done on the roof to get a good seal.
Even if your roof already has ridge vents and plenty of ventilation built in it s a good idea to install gable fans or roof fans to help blow hot humid air out of the attic.
Before you begin make sure all factory installed bolts are tightened.
There are two basic attic fan designs.
In attic mark location of solar powered vent between two roof rafters.
Those made for roof installations and those intended to be mounted in a gable wall.
A licensed electrician can ensure that all aspects of your project will be completed correctly.
Discover the difference between a attic fan and a whole house fan.
Installing an attic fan on a roof 1.
Installing an attic ventilation fan will help protect the integrity of your home by reducing temperatures and humidity levels in your attic space by pushing hot air out of your home while drawing cool air into your attic.
Install roof brackets and fall arrest system to roof.
Do it yourself attic fan installation instructions calculate your eave vent size.
There are two basic types of fan installations.
Use the main fuse box or circuit breaker box to shut it off.
Consider two things for.
Cut shingles along circular outline with a utility knife.
Scribe outline of vent s flashing on roof using homemade dowel compass.
Power ventilators come in a number of sizes and are rated by cubic feet of air moved per.
Roof fans are mounted on plastic or sheetmetal bases that serve as.
Gable fans are installed at the very top of your gable end walls and vented through the walls outside.
Drive nail through center of vent location.
You install an attic fan through the roof and flashed under the shingles.
Gable fans are installed in the wall of your attic and can take the place of an attic vent beneath the gable.
Then we unbox and install an attic fan.
Turn off the electricity in your attic.
Both come in several types.
Attic ventilation fans also tend to be quite energy efficient in terms of their own operation.