Because the shingles are covering the inner roofing area where the fasteners of the ridge vent go.
Roof ridge vent leaking.
If the fasteners are not secure a strong wind may pull up the ridge cap and let rain or snow get into the vent causing it to leak.
Without sealant rain will access the space between the shingle and vent.
The leaking tends to be concentrated so it looks serious but in reality it is a very simple and common fix.
A improper installation or b some roof feature which is directing the wind and rain into that part of the vent.
A ridge vent is typically the last structure that will ever be placed on your roof during a roofing installation.
While this is a real concern all vents that you can install for cooling your attic will have some amount of wear and tear.
Most of the time it.
The rigid plastic vents generally work well so the problem may be.
When the roof vent is leaking the actual cause must be identified first.
Vent pipe leaks during heavy rain can occur if you have cracks in your vent pipe boot or flashing.
A bead of sealant should continuously run along the sections of the vent.
One potential source of a leak is a ridge vent.
We describe methods to cure a roof that leaks at the ridge vent and we list products specifically designed to resist stormwater entry at ridge vents.
With most ridge vents being made out of durable plastic after a long time from heating and cooling this plastic can start to crack and degrade.
Sun exposure and heat especially during the summer can cause the rubber boot to crack creating the space for water to leak in.
This diy guide will show you exactly how to tell if your ridge vent is the culprit in your leaky roof.
The rain will eventually make its way into the 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.
Another problem that can lead to leaking roof ridge vents involves sealant.
Many times these fasteners aren t properly secure.
The ridge cap is a portion of the roof that tends to leak a lot.
This article describes the cause of leaks into buildings at the ridge vent on both steep and lower slope roofs during heavy winds wind blown rainy conditions or hurricanes.
For that reason many times a ridge vent leak may occur.
Roof leak detection can be as tricky as being a private eye.