The lower half of the flange sits on top of the shingles.
How to replace a bathroom roof vent.
Slide clamps over the flexible duct at both the roof cap and the fan housing then slip the clamps over the tailpieces.
Nail the lower corners with roofing nails and tar the heads.
Pry up the old jack and remove it by pulling it up over the vent pipe.
Camco 40161 40168 white unbreakable polycarbonate vent lid ventline pre 2008 elixir since 1994.
Carefully pry up the shingles around the roof jack using a flat pry bar.
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Video tutorial on how to replace your bathroom exhaust fan in 5 minutes or less.
Slide the vent under the shingles so they cover the top half of the vent flange.
Detach the flexible vent pipe from the old fan s housing.
The vent pipe may be attached to the housing with hvac tape.
Apply a bead of asphalt roof cement on the bottom of the vent.
I ve replaced lots of this style broan fan and they are very popular.
Slide a new roof jack sized to fit your vent pipe over the pipe.
How to replace the box vent on your roof.
Cut a piece of drywall to make the ceiling hole the right size for your fan.
Remove any roofing nails and slide out the shingles.
To replace a damaged roof vent jack on your home.
The vent pipe will run from a vent in your roof to the fan housing.
Wrap the joints with duct tape.
If you know what is.
These are designed to fail sometimes but you can repair these very easily.
If the hole is too big you ll need to patch the ceiling.
The patched areas can be repaired with spackling later.
Disconnect the vent pipe.
Attach the drywall filler to a larger piece of wood set it in the hole and drive screws through the ceiling into the wood.