Because water runs down these valleys on a regular basis it is a common place for erosion of.
Granular loss roof.
As your roof ages it s completely normal to lose some granular textures.
However other things can cause this too such as tremendous rains hail branches strong wind storms and exceptionally intense hot and sunny days.
These valley form a v and may have overlapping shingles.
Photos and text guide diagnosis of asphalt roof failures causes effects of loss of protective mineral granules from roof shingles description of different causes of roof shingle granule loss.
Roof valleys are usually located where the main part of the house meets the garage roof or an addition to the home.
Granule loss is the leading instigator of roof replacements as it s the heaviest and most prevalent symptom of a very aged roof.
Granule loss is the leading instigator of roof replacements as it s the heaviest and most prevalent symptom of a very aged roof.
Though age is the most common cause of granule loss there are several other factors that can contribute to the premature loss of this protective coating.
Your roof is new if you ve just purchased a new roof then you may be experiencing granule loss.
However other things can cause this too such as tremendous rains hail branches strong wind storms and exceptionally intense hot and sunny days.
Normal defective product storm damage foot traffic etc.
Severe weather such as heavy rain hail or strong winds can also knock your granules loose.
If your granules are falling off due to roof age then you should consider replacing your roof.