Space the holes 12 to 14 in.
Exhaust fan soffit vent installation.
Drill a reference hole draw a mark on the bathroom ceiling where you d like to install the vent fan.
Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.
In most cases a do it yourself enthusiast can install the vent in.
Check the damper and the screen in prior to installation.
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.
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.
Remove the tape from the fan first.
Screw holes through both flanges.
This exhausts a greater volume of hot.
Installing a soffit vent is not difficult.
How to install a bathroom fan vent in the soffit.
Next we must slip a worm drive metal clamp on the inside part of duct liner.
For optimum performance locate it between.
Raise the vent up to the soffit photo by merle henkenius next lay the strip vent down on a flat wood surface such as a plywood sheet or long 2 x 4 and drill 1 8 in dia.
Measure the vent fan.