Vent pipes penetrate all the way through the roof in several locations of the house, and each one needs to be maintained to keep water out. Vent pipe leaks during heavy rain can occur if you have cracks in your vent pipe boot or flashing.
Active Ventilation Products Round Back Roof Jack is Active Ventilation Products Round Back Roof Jack is excellent for venting a duct. The design is great for terminating air from bathrooms and range hoods. Made of rust free aluminum with a 3 in. Dia adapter (tail pipe) with inner vertical louvers which prevent insects wildlife rain and snow from
I really hate cutting holes in roofs, but it was this or run 15 feet of vent hose through a gable end. So if you like, then climb a couple ladders with me and watch how I put a bath vent fan duct
Bathroom code does address the issue of moving odor- and moisture-laden air from the bathroom to the outside. Surprisingly, bathroom fans are not required by some building codes. All municipalities have different requirements, but some do not draw a hard line on requiring exhaust fans.
If you have access to the attic, the fan can vent either through a gable wall or roof. Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof. Avoid venting through a soffit vent or ridge vent. The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent.
Bathroom exhaust fans perform an important function by removing excess moisture from your home. When venting a bathroom exhaust fan, make sure to vent the air to the outside, rather than into your attic where it can cause mold and mildew to form. Options for venting a bathroom exhaust fan include