A closed cut roof valley will have at least four layers of roof materials.
Roof hog valley.
And damaged flashing is behind most roof leaks.
Valleys are a prime leak area so it s important to be careful.
One layer each of felt underlayment mineral surfaced roll roofing and two layers of shingles.
Closed cut shingle valleys work fine with strip shingles and laminated asphalt shingles.
Weaving a shingle valley by dunn contracting 727 410 5717 james dunn.
A hog valley is a section of roof that is usually a lower pitch or angle of roof that collects a lot of water from the other two steeper roofs that flow into it.
In either situation the leaking roof valley can be fixed by removing affected shingles and structural elements and upgrading your roof s flashing.
There is usually a wall that this valley meets at the narrow end causing water to accumulate at.
The hog valley is much wider at the top than the bottom.