The roof wasn t installed properly so it is the roofer s fault.
Square roof vent leaking.
This is the most common reason and the next reason is the second most used excuse.
A roof that leaks around a vent pipe is a common cause of small water stains on a ceiling or water leaking into a home.
And on occasion a hard driving rain with whipping wind will cause roof vents to leak water.
The problem with this type of roof vent is that when it is a still day you will not have the venting power that you want or that you would get from an electric roof vent.
The vents can also leak when a roof contractor fails to overlap or sufficiently extend the pieces enough.
These are very easily recognizable as they are rather large when compared to other types of roof vents and they tend to squeak or rattle when they are moving.
Given the most common causes is cracked or damaged rubber boot the most ideal solution is to remove it and replaced it with a new one.
How to replace the box vent on your roof.
The roofing material is faulty so it is the manufacturer s fault.
Annual roof inspections can help you avoid this roofing problem.
If your roof vent leaks with gentle rains as well you may have a problem with the shingles around the vent or exposed or loose nail heads.
It this is the case you need to create a breathable shield to slow the driving rain drops while still allowing air flow.
The leaking may first be seen in the attic but if you don t catch it right away you may see water coming into the house dripping on the floor.
Another cause of leaky vents is improper sealing.
If your roof vent leaks during heavy rain the rain may be blowing up under the hood and into the vent.
The sealant should run uninterrupted along the sections of the vent.
Watch this video to see how that s done.
When the roof vent is leaking the actual cause must be identified first.
Roof leaks around vent pipes is relatively common.
How to repair roof vent leaks.
For this it is better to hire a professional roofer to handle the work.
Without it rain can easily enter through the gaps between the shingles and vents and into your attic.
Other causes of leaking roof vent are including broken seams on the metal base loosen nails and rusty metal collars around the vent pipe.
However leaking roof vent usually happens at the worst time.
The roof wasn t maintained loose flashing or a cracked vent boot were found for example that allowed water through.
