In this distinct overview from Home Inspector Secrets, we will certainly be going over the reason of a bathroom exhaust fan dripping water and also what to perform around it. You will certainly learn...

You are watching: Why is there water dripping from bathroom fan

why a bathroom fan leaks as soon as it is rainingjust how to fix a bathroom fan that drips waterwhy you need to check for mold issuepresent to check out your attic to see what"s going onthe many common bath vent cover issues that enable in water drips


The most common reason a bathroom exhaust fan leaks once it rains is bereason the bath vent hose is in a vertical slope and exhausts on height of the roof.

It"s a good thing (and also forced by code) that it"s venting to the outside, but the downside is that if it isn"t installed effectively or if the cover is defective, rain can leak via the bathroom vent.

Also, as soon as cleaning a bathroom vent, a roof departure is the many difficult to deal with.

The phrase "out of sight, out of mind" comes right into the image. Since the ceiling bathroom exhaust fan terminates on height of the roof, it deserve to be incredibly tough to save a cshed eye on it.

Fixing a leaking bathroom fan have the right to come to be a little facility, and it isn"t constantly a DIY project. That"s why I created my own contractor search tool that will administer you cost-free quotes from trusted contractors that have been pre-vetted.

Read Also:How To Oil A Bathroom Exhaust Fan?

You might be tempted to simply vent your bathroom vent right into the inner, yet this is an also worse concept.

The moisture spewed right into your attic of wall cavity may result in mold expansion, wood damage, and also may attract termites.

A Defective Roof Vent Cover

If the bathroom fan is dripping water when it rains, it means that the flashing or some component of the vent cover is permitting in water. It also might be that the damper (flap) is loose or lacking --- and is permitting in water.

In brief, you will certainly have to gain someone onto the roof to fix it.


How Do You Fix A Bathroom Vent Cover If It Is Leaking Water?

When you are inspecting the exterior bathroom vent cover, you desire to look for any kind of hairline cracks wright here water is acquiring with. Closely look alengthy the edges of the vent cover.

It"s additionally crucial to make sure that the asphalt shingles aren"t damaged about the vent hood. The roofing shingles must be on top of the top percentage of the bathroom vent flange.

It"s additionally a great idea to check the nails or screws wbelow the bath vent cover was mounted right into the roof sheathing. Water may obtaining in through the nail heads and also onto your bathroom vent.

When you are up on the roof, it is additionally vital to check that the flap is functioning appropriately. If the vent flapper is stuck open up or is missing, when tbelow is heavy rain, water have the right to easily enter into your vent cover, take a trip down the hose, and drip all the means down right into your bathroom.

Fixing a leaking bathroom fan have the right to end up being a bit complex, and also it isn"t always a DIY task. That"s why I developed my own contractor search tool that will carry out you cost-free quotes from trusted building contractors who have been pre-vetted.

Read Also:What Are The Best Ultra Quiet Bathroom Exhaust Fans?

Should I Inspect For Water Damage From A Dripping Bathroom Exhaust Fan?

It"s additionally an excellent principle to go into the attic, ceiling, or wall (depending upon where you bathroom fan is venting) and also look for any possible water damages.

If your bathroom vent goes to the roof --- according to the U.S. Department of Energy --- tbelow are a variety of signs of water intrusion through your roof and also into your attic such as warped sheapoint, mold, and also wet insulation. You might also need to replace some of the roof sheathing if the water leak has been going on for some time.

When you are inspecting a room for water damage, you will desire to look carefully for any type of indications of mold or mildew.

An attic or ceiling cavity is a dark place wbelow mold loves to prosper, so once you add in a water resource from hefty rain, you may have mold thriving on the underside of the roof sheathing or the back of drywall. When released into the air, mold spores can travel all throughout the residence.

I very recommfinish going right into the attic and also to check the vent hose termination carefully through a high powered flashlight.

Read Also:What Are The Best Bathroom Exhaust Fans With Humidity Sensors?

Should I Install A New Roof Vent Cover?

If your roof vent cover has actually some cracks, the flapper is not functioning, or is otherwise defective, it might be smarter just to replace the totality cover via a brand-new unit.

Bathroom vent covers aren"t meant to last forever, and also they are pretty cheap to relocation.

Of course, if you hire a qualified contractor to relocation the vent cover, you will have to pay for labor --- more than likely in the $100 to $250 selection just for labor depending upon your market, and the details of the project.

Just replacing the cover will certainly be cheaper than having to readjust the whole hose.

Should I Check My Ceiling For Damage?

If your leaking bathroom exhaust fan has been going on for some time, it might be a really great idea to rerelocate the actual bathroom exhaust fan and examine for damages in the ceiling cavity.

There might be damaged insulation, damaged drywall, damaged lumber framing, and tright here might be mold growing.

To remove the bathroom exhaust fan, you will certainly first have to rerelocate the plastic cover by pulling it down, and squeezing the metal clips.

Before you unscrew and pull out the bathroom exhaust fan, you will certainly desire to unplug the unit (occasionally there is an actual plug behind the cover) or you have to revolve off the electrical energy at the breaker box.

Please carry out not acquire electrocuted!

Read Also:How To Vent A Bathroom Fan Into An Attic?

Once you have actually the power off, just rerelocate any type of screws holding the bathroom fan in location in the ceiling. When the bathroom fan is removed, you deserve to inspect the ceiling cavity through a flashlight to look for any kind of damage or mold problems.

It is additionally crucial to oil your bathroom exhaust fan once a year and also currently is a good time to perform it given that it is removed. Check out our guide on oiling a bathroom fan here.

Of course, if the bathroom fan is on the upper level of your home, it might be less complicated just to go into the attic to carry out the inspection. Just be cautious not compush (ruin) any of the insulation, and also make sure that you action closely and do not go via the drywall ceiling. Be cautious!

Read Also:How To Relocation A Bathroom Exhaust Fan Without Attic Access?

What"s The Bottom Line On A Leaking Bathroom Exhaust Fan Throughout Rainstorms?

It"s a pretty bad instance when you have actually water dripping from your bathroom fan in the time of storms. The bathroom exhaust fan is intended to rerelocate moisture from your bathroom, not be resource of actual water!

Luckily, there is commonly a very simple reason for this which is that the vent exterior cover is simply damaged or not sealed appropriately. Or, heaven forbid, tbelow is a leak somewhere else in your attic and also it is leaking onto the bathroom vent hose (but it"s unlikely).

See more: If Eras Are Marked By Major Changes In Life Forms, What Distinguishes One Period From The Next?

Anymeans, when your roof is dry, it"s crucial for you or a contractor to gain out there as quickly as possible and also to closely check the bathroom exhaust fan cover. It might need to be replaced.