You may see an influx of granules in your downspouts after a storm.
Gravel in gutters.
This could be caused by heavy rains or hail that beat on the roof and loosen the granules.
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.
The loss of granules will stop and it s no reason to worry.
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The classic french drain is simple just a trench filled with gravel with sand on top.
These are good for directing away large debris but they will not catch sand dirt and shingle sediment.
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.
It allows excess water to percolate.
It seems to be most prevalent early and later in the shingles life.
Are you getting roof granules or a sludge in the gutter.
Granules naturally separate from shingles over its life.
You can begin this roof condition assessment at the ground before even looking at the roof itself.
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.
A french drain is a system for eliminating excess water from the soil.
Watch this short video to learn exactly why.