Figure 3 - Bathroom vent pipe diagram
Avoid through-roof bath vent exits: Our photo (left) shows a typical attempt
Bathroom fan venting - InterNACHI Message Board
And here is a sketch of the plumbing plans for the new 2nd floor bathroom.
Improper venting of bathroom into soffit. Optimal attic ventilation is done
How to improve bathroom venting, reduce indoor condensation, avoid bathroom
fixtures within a bathroom, or groups of bathrooms, to be “wet vented”
Drains and venting a basement bathroom
How to vent this bathroom if the main stack vent in the house is lower than
Well, there's no specific building code requirement for the bathroom vent
Basement Bathroom Plumbing & Venting - Need Help!
Jeff Howell: 'it is vital that bathroom extractor fans are vented to the
Bathroom Duct Venting Into Attic
Here somebody combined their bathroom vents into a plumbing vent stack.
In some places you can wet vent a bathroom lav over a toilet,
Bathroom exhaust fan general requirements
An example of back-vented plumbing as applied to the bathroom.
Insulating and Venting a Vaulted Bathroom Ceiling
3) Can the wet vent be on the last fixture downstream?
A bathroom on the second floor using flat venting and wyes.