Granular Loss On Roof

Because water runs down these valleys on a regular basis it is a common place for erosion of.

Granular loss on roof.

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. Aging roofs can experience shingle granule loss. Causes effects of loss of protective mineral granules from roof shingles asphalt roof shingle defects. A new roof typically has some excess granules which it will shed during installation and over a short period after that.

With older roofs even marble size hail may loosen granules. Granule loss is the leading instigator of roof replacements as it s the heaviest and most prevalent symptom of a very aged roof. As your roof ages it s completely normal to lose some granular textures. As roofs age the bond between the granules and the asphalt shingle become looser allowing the granules to fall off.

Normal defective product storm damage foot traffic etc. Granule loss can also happen on newly installed asphalt roofs but it s usually not a cause for worry. 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. Severe weather such as heavy rain hail or strong winds can also knock your granules loose.

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. Prolonged exposure to hail can also loosen granules. Granule loss is the leading instigator of roof replacements as it s the heaviest and most prevalent symptom of a very aged roof. 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.

However other things can cause this too such as tremendous rains hail branches strong wind storms and exceptionally intense hot and sunny days. What causes granular loss. Blistering shingles can. Easton roofing is a trusted provider of roofing and attic insulation services.

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. Granule loss indicates aging of a roof. These valley form a v and may have overlapping shingles.

Granule loss which is uniform across the roof is usually a result of normal weathering. Roof valleys are usually located where the main part of the house meets the garage roof or an addition to the home. Normal granule loss on new asphalt roofs.