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Replacing bathroom vent in tight workspace

I'm replacing our old bathroom vent fan (a contractor blew joint compound all over it and froze up the motor), which is a small bathroom in the basement of our split-foyer home. The old fan vented outside through a short length of rigid metal ducting that was hooked up to an exhaust port on the side of the house.

Problem is, when I removed the old fan, I discovered that the ducting wasn't mounted to anything, including the fan or the port, and now I've got a 4' length of tube rolling around above my ceiling that I can't figure out how to remove. On top of that, I can't figure out how to either hook it back up to the outside port, or run new tubing.

I've got an 8"x8" hole for the ceiling fan to work with, and I'd really rather not tear down any of the ceiling because it's popcorn and I lack the skills, tools, or inclination to repair it. Is there any way to do this using my available access? There's no other way in beyond these two holes (the hole for the fan and the exhaust port).

Re: Replacing bathroom vent in tight workspace

Sounds similar to my setup. Grab a ladder and prop it up outside. Remove the old exhaust cap by removing the nails or screws that secure it. You can then possibly reach in to grab the old rigid duct and pull it out. Secure the two together (or replace them with new pieces) using foil tape. You can then slip the new assembly into the hole and secure it again.

I used this as a chance to wrap mine with insulation, making rings of insulation with the foil tape and then sliding them onto the tube from the bathroom hole.

The fan that I chose, a Panasonic slim fit (WhisperFit Lite) could then have its connection bracket installed and finally the fan itself inserted.

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