Venting bathroom fan through the drain vent people suggest connecting the bathroom fan with the drain vent.

Bathroom fan vent through roof. Let us tell you right away, that it is a bad idea to do so. Make sure to cut your hole large enough to accommodate the fan but small enough so the fan cover will cover any exposed beams. Install the fan in your bathroom.

Through the roof or an exterior gable wall. If you complete this step successfully, you will have completed 60% of the work of venting a bathroom fan through the roof. The answer is that it depends on the type of bathroom exhaust fan you have.

The best exhaust fan venting is through smooth, rigid ducts with taped joints and screwed to a. As i said above, the very first step in installing a bathroom fan roof vent is. Venting your bathroom exhaust fan through your home’s soffit is indeed an option.

In years past, venting a bathroom fan to the attic was. Cutting your hole right will make it so that you. The proper way through which you can vent a bathroom fan through your attic is by terminating the vent either to the gable wall or to the roof.

If you want to vent. According to section 1505.4.4 of the international residential code, the minimum required exhaust fan cfm rating stands at 50. Venting directly through the roof seems to make sense, but living in the northeast we get a lot of snow on the roof in the winter, so am concerned about ice dams, leaking, etc.

No matter what you pick, the vent will directly go. Options for venting a bathroom exhaust fan include (best to worst): The cost to install a new bathroom fan is $250 to $950 to vent the fan outside through the roof or wall.