Two bathrooms two roof vents each bathroom has its own exhaust fan.
Exhasut fan vent through roof.
I recommend replacing the vent pipe with insulated vent pipe.
Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.
Next make sure it is securely fastened on both ends of the pipe.
Bathroom ventilation fan duct routing routing a bath vent duct down out or up through an attic or roof out.
The best way is to mark with nails in the middle of the rafter bay.
Each fan vents separately out the roof.
Most bath vents for homes are 3.
I see many questions about leaking bath exhaust vents.
Next make sure you have one of the new roof exhaust vents on the roof and properly sealed.
Therefore i should take a more direct route to vent the fan right out through the roof.
You need to take a nail and you are going to drive it right through the roof sheathing through the roof shingles and it will stick up.
In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal proof vent cover.
Vent your bath and kitchen exhaust fans through the roof through a special roof hood.
Step 1 first we must set a mark of the vent hole.