Granular Loss On Roof

Severe weather such as heavy rain hail or strong winds can also knock your granules loose.

Granular loss on roof.

Granule loss indicates aging of a roof. Some other aging clues are curling at shingle corners lack of tab adhesion and broken off pieces as the shingles get more brittle with age. 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. What causes granular loss.

Causes effects of loss of protective mineral granules from roof shingles asphalt roof shingle defects. Blistering shingles can. Over time the bond between the granules and asphalt deteriorates and granules will be loosened and carried away by runoff. With older roofs even marble size hail may loosen granules.

Roof valleys are usually located where the main part of the house meets the garage roof or an addition to the home. However other things can cause this too such as tremendous rains hail branches strong wind storms and exceptionally intense hot and sunny days. Granule loss can also happen on newly installed asphalt roofs but it s usually not a cause for worry. 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.

Granule loss is the leading instigator of roof replacements as it s the heaviest and most prevalent symptom of a very aged roof. Roof valleys are particularly vulnerable to granular loss. It s completely normal to lose some of the granular textures on the roof and it doesn t necessarily mean you need a roof repair or shingle replacement. Granule loss is the leading instigator of roof replacements as it s the heaviest and most prevalent symptom of a very aged roof.

Aging roofs can experience shingle granule loss. A new roof typically has some excess granules which it will shed during installation and over a short period after that. Normal defective product storm damage foot traffic etc. These valley form a v and may have overlapping shingles.

As your roof ages it s completely normal to lose some granular textures. Normal granule loss on new asphalt roofs. As roofs age the bond between the granules and the asphalt shingle become looser allowing the granules to fall off. Prolonged exposure to hail can also loosen granules.

Because granule loss is one of the signs that a roof is getting older it is used by inspectors as a gauge of roof condition and a way to estimate additional roof life. However other things can cause this too such as tremendous rains hail branches strong wind storms and exceptionally intense hot and sunny days. Because water runs down these valleys on a regular basis it is a common place for erosion of.