Bathroom Vent Vented To Attic

The problem with this approach is that all of the moisture in the air goes onto the wood sheathing insulation wood rafters and wood ceiling joists which can lead to mold growth and rot.

Bathroom vent vented to attic. Moisture though is the real problem since it can create potentially hazardous mold and mildew eating away at your walls ceiling and trim. Smells are merely an annoyance. We explain how to install bathroom exhaust fans or vents the vent ducting the vent termination at the wall soffit or roof vent fan wiring bath vent duct insulation bath vent lengths clearances routing and we answer just about any other bathroom ventilation design or installation question you may have. It eliminates the need for routing ductwork through the house and these fans usually dry the bathroom more quickly.

No you cannot vent the bathroom exhaust fan into the soffit vents. 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. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. This involves running ductwork from the fan usually though an attic and out through the roof.

Vent your bath and kitchen exhaust fans through the roof through a special roof hood. Two bathrooms two roof vents each bathroom has its own exhaust fan. Bathroom fan vent code requirements include no venting to attic areas to help reduce mold or structural problems. If you vent the bathroom exhaust fan to close to the soffit vents which are vented plates under your homes outer edge and roof your home the air can be sucked right back into the attic from the soffit.

On my home inspections it is still a common sight for me to see bathroom vents going directly into the attic spewing moisture. Bathrooms can only benefit from some type of exhaust venting system but which type do you need and what does the bathroom exhaust fan venting. Bathroom exhaust fans perform an important function by removing excess moisture from your home. Can you vent a bathroom exhaust fan into the soffit vents.

Bathroom ventilation codes require a bathroom exhaust fan to vent to the exterior not the attic for health and structural reasons. Both bathrooms are vented by a single in line fan that has one exhaust vent running through the roof. Each fan vents separately out the roof. Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof.