Normal mineral granule loss on a new asphalt shingle roof 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.
Roof shingle granules in gutter.
Asphalt shingles are so heavily coated with these minerals that some fallout is completely normal.
If you see granules in the gutter it might be a sign that you need a new roof so you should not hesitate to call a professional roofing contractor when you see granules shedding from your roof.
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.
To fix broken shingles.
Gather up your pry bar hammer utility knife replacement shingles and some 1 1 4 inch roofing nails.
Some granules are bound to fall off of your shingles every time it rains.
Given the origin of these granules a staple of any asphalt shingle roof your immediate instinct upon finding them should not be to fear for the integrity of your roof.
This is especially true if your roof is brand new.
Collect some shingle granules from the rain gutter and sprinkle over wet sealant to camouflage crack repair.
Why shingles leave granules in your gutters.
After a few storms your new shingles should start losing less granules.
It seems to be most prevalent early and later in the shingles life.
Granules naturally separate from shingles over its life.