Granular Loss On Roof Shingles

This thermal expansion and contraction can lead to granule loss and cracking over time.

Granular loss on roof shingles.

Loss of mineral granules from asphalt shingle or roll roofing roofs. Over time normal weathering can cause your granules to become looser and eventually fall off. Shingle granule loss defects occur on organic mat or fiberglass mat asphalt roof shingles and depending on the cause and extent of mineral granule loss the loosening of this protective coating can spell the end of life of an asphalt shingle roof or the demise of a mineral granule coated roll roofing roof. Granular loss is something homeowners can be made aware of without having to climb on top of their roofs.

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. Those are the causes of granule loss on asphalt shingle roofs which independently contribute to the damage and degrading of shingles and roofs. Make sure to check your roof shingles for pitting or granule loss after a storm. At high points they may be the part of the shingles showing the most wear.

When granules come loose they often run through your gutter system with water and pile up on the ground. Major storm events such as hail storms can loosen and or remove the granules. Granule loss is common after severe weather like hailstorms. Granular loss is easily seen via visual inspection but you may not even have to get on the roof to spot the signs.

Look for damage to the shingle butts. However other things can cause this too such as tremendous rains hail branches strong wind storms and exceptionally intense hot and sunny days. Imagine if a quick thunderstorm flares up and cool rain drenches the roof lowering the temperature of the shingles by up to 100 degrees in seconds. Granule loss in a natural path of travel on the roof is usually caused by scuffing from foot traffic.

This roof leak article explains the causes effects of loss of protective mineral granules from roof shingles. To identify granule loss simply walk the perimeter of your home and examine the area around your downspouts. Especially with older roofs foot traffic can cause shingle wear and 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.

These bedroom doors open onto a flat roof. Loose granules will wash off the roof and pile up in gutters or flow through downspouts to the garden lawn or driveway. This way you can have a roofingexpert assess the damage and give you repair or maintenance advice. How to diagnose granular loss.

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. Granule loss indicates aging of a roof. They can combine and speed up the process.