Granular Loss On Roof

As roofs age the bond between the granules and the asphalt shingle become looser allowing the granules to fall off.

Granular loss on roof.

Granule loss is the leading instigator of roof replacements as it s the heaviest and most prevalent symptom of a very aged roof. Over time the bond between the granules and asphalt deteriorates and granules will be loosened and carried away by runoff. 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. With older roofs even marble size hail may loosen granules.

Aging roofs can experience shingle granule loss. Blistering shingles can. Prolonged exposure to hail can also loosen granules. However other things can cause this too such as tremendous rains hail branches strong wind storms and exceptionally intense hot and sunny days.

Normal granule loss on new asphalt roofs. Roof valleys are particularly vulnerable to granular loss. Because water runs down these valleys on a regular basis it is a common place for erosion of. Severe weather such as heavy rain hail or strong winds can also knock your granules loose.

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. Since the granules on shingles are exposed to the elements on a regular basis there s no way all of them will stay stuck to the shingles themselves. Granule loss which is uniform across the roof is usually a result of normal weathering. 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. Roof valleys are usually located where the main part of the house meets the garage roof or an addition to the home. 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. Easton roofing is a trusted provider of roofing and attic insulation services.

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. These valley form a v and may have overlapping shingles. As your roof ages it s completely normal to lose some granular textures. A new roof typically has some excess granules which it will shed during installation and over a short period after that.

Granule loss indicates aging of a roof. Granule loss can also happen on newly installed asphalt roofs but it s usually not a cause for worry. Causes effects of loss of protective mineral granules from roof shingles asphalt roof shingle defects.