Bathroom Vent Fan Dripping Water

Most vent connectors through the roof or sidewall should also have a damper to keep cold air out and it should open and close with fan operation.

Bathroom vent fan dripping water. Redirect water away by installing what s called a cricket. This is the first thing you have to check. The problem might be the condensation in the cold duct.

If your bathroom vent fan has water leaking around or next to it the problem may not be your roof but could be the ventilation system itself. Another potential source is a buildup of ice on the roof in winter which may melt in reaction. You may find dripping water during or shortly after a shower.

If you notice the fan starts dripping shortly after taking a shower there may be a condensation issue in the duct. The first step is to head to the attic. You will notice the problem mainly in the winter.

There is a good chance that there is condensation inside the duct. It also may be that the damper flap is loose or missing and is allowing in water. If bath fan ducting isn t properly insulated the moist air from your house will condense inside the duct.

Here are the possible solutions. Replace the cover of the chimney. Builder s best roof vent cap.

You may notice water dripping during or shortly after taking a shower. In short you will have to get someone onto the roof to fix it. This damper responds to fan pressure and gravity.

Create a more secure water barrier by replacing the flashing and surrounding shingles. It should open when the fan is on and close when the fan turns off. During the winter when the warm air meets the cold air from the attic it leads to condensation.

Fill gaps and holes using a flexible roof sealant. Many people notice the issue. The fan s damper can also get stuck in the open position allowing hot air into the cool duct and creating condensation.

If the bathroom fan is dripping water when it rains it means that the flashing or some part of the vent cover is allowing in water. Water drips from bathroom exhaust fan two common reasons. Condensation in the duct.

In most of the dripping water from the bathroom fan cases this is the main culprit that you have to consider first. Water stains on the ceiling around your bath fan may indicate a leak coming from the vent cap on your roof but condensation is the more likely culprit.