Just like in nature a valley on a roof is designed to collect water.
Why do roof valleys leak.
During the wintertime roof valleys may collect more snow or ice than the flat slopes of your roof and could cause problems when the snow melts.
Roof valleys may include an additional barrier of protection under your shingles in the way of an ice and water shield.
It can cause water damage to your ceilings and walls mold in your home s insulation or rotting rafters and roof sheathing.
Something that starts as a small problem a roof leak can lead to big damage and even bigger headaches.
Some homeowners do not like the look of open valleys while others feel the metal accentuates the roof s shape particularly if copper or painted flashing is used.
It can be especially distressing when there appears to be no obvious cause.
Roof leaks are also very common in the winter when all the snow accumulating on a roof creates a potential for a roof leak to develop especially if a roof.
That flashing is left exposed so the roof has visible lines of metal running down the valley.
An open valley relies on metal flashing for protection.
Do we need to get a new roof.
If that water doesn t shed off the roof fast enough or gets.
In other cases water can become trapped under shingles which have been overlaid to create the valley trough.
This is where two parts of the roof join.
Either the valley metal open valley or shingles closed valley could have been damaged either accidently by other personnel or roofers stepping in them or if maintenance is neglected buildup of debris could cause water buildup.
If you have a roof leak it may well be through the valley.
This video shows the full repair from removing leaded va.
Lorrie b dunedin fl.
Roof leaks of any type cause lots of anguish.
Roof valleys are channels designed to drain runoff water and like any other part of your roof they can degrade over time with exposure to the elements.
What might be the cause.
So if you find a leak in your home don t panic.
I doubt that you need a.
The good news is the solution to the problem is very simple.
Because roof valleys function as a drain on the roof they receive as disproportionate volume of water every time it rains.
Compromised valleys the roof valley the v created where two sloping roofs meet could have been punctured.
The reason why the roof valley is such a sensitive area has to do with all the rainwater and or melting snow that accumulates and flows through the valley on its way into the gutters.
Though roof valleys are com mon leak sites on shingle roofs it s typically fairly easy to fix these problems with a little know how.
Roof valleys if not installed correctly are one of the most leak prone areas on the roof.
Taking care of a roof leak as soon as you notice it however can help prevent further deterioration that may lead to a roof replacement as well as to things such as mold mildew and interior damage.
