It seems like it may be coming in through the vent when the rain wind blows sideways during a heavy rain fall.
Exhaust fan roof vent leaks during heavy rain.
My bathroom exhaust vent leaks when there is a heavy rain.
The flapper may be missing or poorly sealed or the flashing is damaged.
We have inspected the attic and there is no rotting wood and we cannot figure out how to stop the problem.
It wants to vent to the outside and be.
When the water leaking through the roof it will cause a big mess and more than just that it can also cause water damage to the roof.
In the unfortunate chance that you have a roof vent style that can let water in through its sides then this could be a reason why it s leaking during a hard rain.
Roof leaks in heavy rain learn why.
The areas of your roof that are prone to pooling water can lead to a leak during heavy rain.
I have checked the bathroom fan seal as well and it is not condensation because it is only during heavy rains.
Have someone climb on the roof and assess the area around your stove vent.
The basic plumbing of a house can sometimes put a house at risk for roof leaks.
This is an unsuitable installation of the vent fan.
Quick fix for roof vent leak during heavy rain by rooflast posted on july 25 2019 july 11 2020.
I have a bathroom fan that leaks during heavy rains.
You may find that your vent cap was blown off or that the shingles around the base of your vent were torn blown off leaving your screws nails exposed to the rain or that the seams on your vent are not sealed tight or that the roofing tar around the base of the vent are brittled and cracked from too much sun.
And on occasion a hard driving rain with whipping wind will cause roof vents to leak water.
It this is the case you need to create a breathable shield to slow the driving rain drops while still allowing air flow.
Even if your roof is well maintained or fairly new heavy rainfall is still a cause for concern.
If your roof vent leaks during heavy rain the rain may be blowing up under the hood and into the vent.
Check the flashing on the roof look for popped up nail heads proper installation shingles should top half and not the bottom half and just the general condition of it.
Leakages can occur with something as simple and essential as a ventilation fan duct.
Not to mention your gutters simply may not be able to keep up with the downpour.
A good roofing contractor would have installed a roof vent that prevents water intrusion.
You need to get a contractor or roofer to check out the exterior vent cover.
How do i fix.
Homepage roof repair quick fix for roof vent leak during heavy rain.
Depending on the plumbing setup some houses may be more vulnerable to leaks during heavy rains than others.