If your home has an older style conventional metal ridge vent wind blown rain leaks in high wind areas are a well known topic.
Roof vent leaking in high wind.
And on occasion a hard driving rain with whipping wind will cause roof vents to leak water.
Most vents have an integrated base flashing typically made.
They should not be loose in the channels.
Minimizing water intrusion through roof vents in high wind regions 3 of 8 r oofing 7 12 10 checking soffit material installation as previously noted the most critical soffit installa tions to check are those where vinyl or aluminum soffit panels are used.
Hemming the edges of the roof means bending the underneath to an angle of 180 degrees.
It this is the case you need to create a breathable shield to slow the driving rain drops while still allowing air flow.
Hemming the roof edges.
If your roof vent leaks during heavy rain the rain may be blowing up under the hood and into the vent.
Leaks typically occur at the exposed roofing nails used to nail down the ridge vent and worse leaks when wind blowing rain up roof overpowers the rather low about 1 high flange flashing along the lower edges of the ridge vent.
Soffits should be fastened to the eave structure.
Roof vent leaking there are many possible parts of the roof potentially leaking but one of the most common ones is the area around the roof vent.
This will stop the rain getting under and causing roof leaking by wind driven rains.