When the insulation was in place and cured we could trim the exhaust duct down extension to its proper length to permit first installation of the soffit covering solid plywood in this case as the roof is an un vented hot roof design and then the installation of the exhaust vent terminating cover.
Exhaust fan soffit vent installation.
Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.
For optimum performance locate it between.
In most cases a do it yourself enthusiast can install the vent in.
Idea 5 connecting the duct to the bathroom fan.
Space the holes 12 to 14 in.
Drill a reference hole draw a mark on the bathroom ceiling where you d like to install the vent fan.
The additional vent assists with circulating the air which helps the fan do its job.
When passive methods aren t sufficient an electric fan installed at a soffit vent draws additional outside air into the attic to augment the chimney effect.
How to install a bathroom fan vent in the soffit.
Remove the tape from the fan first.
Screw holes through both flanges.
Check the damper and the screen in prior to installation.
This exhausts a greater volume of hot.
Installing a soffit vent is not difficult.
Measure the vent fan.