It's also a bad idea to use an existing roof vent for bathroom exhaust. You'll partially block the vent with the duct pipe, reducing the flow of cooling air through your attic. Moreover ...

Although a new motor costs about the same as a new fan, a bathroom vent fan motor replacement saves time and trouble. You don ...

You might not find anything wrong with going to the bathroom while getting roof repairs on your home ... Houses are equipped with plumbing vent pipes. This is the pathway that air must ...