Shingle sediment is made up primarily of sand like granules or grit that separate from asphalt shingles and other small matter that sticks to the roof surface and washes into gutters.
Gravel in gutters.
Bottle brush gutter guards stand up inside the gutters and collect debris.
These are good for directing away large debris but they will not catch sand dirt and shingle sediment.
It allows excess water to percolate.
The loss of granules will stop and it s no reason to worry.
You can begin this roof condition assessment at the ground before even looking at the roof itself.
This could be caused by heavy rains or hail that beat on the roof and loosen the granules.
A french drain is a system for eliminating excess water from the soil.
Reverse curve gutter guards are made of a curved piece of thin metal that directs water into the gutters and everything else onto the ground.
You may see an influx of granules in your downspouts after a storm.
It seems to be most prevalent early and later in the shingles life.
Granules naturally separate from shingles over its life.
Granule loss on a new asphalt roof loose mineral granules wash down the roof and will appear in gutters and at the ends of downspouts.
It is common to see granules washed into the gutters and downspouts of your home after a new roof has been installed.
The classic french drain is simple just a trench filled with gravel with sand on top.
If the roof is reported to be new the granules shown in our photo are normal and not a worry.