Bathroom Vent Fan Dripping Water
There is a good chance that there is condensation inside the duct.
Bathroom vent fan dripping water. It should open when the fan is on and close when the fan turns off. 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. During the winter when the warm air meets the cold air from the attic it leads to condensation.
If you notice the fan starts dripping shortly after taking a shower there may be a condensation issue in the duct. This is the first thing you have to check. Redirect water away by installing what s called a cricket.
Fill gaps and holes using a flexible roof sealant. It also may be that the damper flap is loose or missing and is allowing in water. Water from the roof.
If bath fan ducting isn t properly insulated the moist air from your house will condense inside the duct. Water drips from bathroom exhaust fan two common reasons. You may find dripping water during or shortly after a shower.
This damper responds to fan pressure and gravity. Replace the cover of the chimney. Another potential source is a buildup of ice on the roof in winter which may melt in reaction.
Many people notice the issue. The first step is to head to the attic. Here are the possible solutions.
The fan s damper can also get stuck in the open position allowing hot air into the cool duct and creating condensation. Eventually the water drip back to the bathroom through the exhaust fan. In most of the dripping water from the bathroom fan cases this is the main culprit that you have to consider first.
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. Condensation in the duct. Builder s best roof vent cap.
Check the small damper at the fan. 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. 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.
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.