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.
Granule loss on roof shingles.
Make sure to check your roof shingles for.
However not all granule loss is a concern.
These granules stay on the roof for most of the roof s life span.
You may find evidence of this in your gutters or sometimes in your yard.
If you do find a few loose granules in the gutter runoff it s no reason to panic.
If a contractor is.
This thermal expansion and contraction can lead to granule loss and cracking over time.
Granular loss is something homeowners can be made aware of without having to climb on top of their roofs.
Granule loss occurs when the embedded granules begin to loosen and fall off the shingle.
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.
Granular loss is easily seen via visual inspection but you may not even have to get on the roof to spot the signs.
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.
When granules come loose they often run through your gutter system with water and pile up on the ground.
In fact it s not uncommon to find a few loose granules in the gutter weeks after the roof is installed.
Let s look at a few causes so that you can determine if you need a roof inspection from a professional.
Granule loss indicates aging of a roof.
How to diagnose granular loss.
To identify granule loss simply walk the perimeter of your home and examine the area around your downspouts.
On a blistering hot summer day the temperature of asphalt shingles can approach 160f.
Granule loss is common after severe weather like hailstorms.
5 causes of granule loss on asphalt roof shingles 1.
Walking on shingles causes some of the granules to fall off your roofing system.
It s important to note that granule loss is a normal part of roofing wear and tear.