Granule Loss On Roof Shingles

If you do find a few loose granules in the gutter runoff it s no reason to panic.

Granule loss on roof shingles.

On a blistering hot summer day the temperature of asphalt shingles can approach 160f. These granules stay on the roof for most of the roof s life span. 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.

This thermal expansion and contraction can lead to granule loss and cracking over time. 5 causes of granule loss on asphalt roof shingles 1. However not all granule loss is a concern. Make sure to check your roof shingles for.

To identify granule loss simply walk the perimeter of your home and examine the area around your downspouts. 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. The shingle is more likely to crack bend or splinter once the granules are removed. 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. Granular loss is something homeowners can be made aware of without having to climb on top of their roofs. If the majority of the shingles on your roof are experiencing granule loss a roof replacement is likely not far behind. How to diagnose granular loss.

Granule loss is common after severe weather like hailstorms. You may find evidence of this in your gutters or sometimes in your yard. Normal shingle granule loss means that there has been no single event that has damaged the roof that the quantity of granules lost from or remaining on the shingles is typical for the chronological age of the roof and that thus the wear age of the roof it s remaining life compared with its original warranty or projected roof life is about the same as the roof s chronological age after we factor. Granular loss is easily seen via visual inspection but you may not even have to get on the roof to spot the signs.

In fact it s not uncommon to find a few loose granules in the gutter weeks after the roof is installed. 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 occurs when the embedded granules begin to loosen and fall off the shingle.