Defective shingle product a whole neighborhood of houses got replaced at the 5 year point here in the villages by the.
New roof granule loss.
Major storm events such as hail storms can loosen and or remove the granules.
Loose granules will wash off the roof and pile up in gutters or flow through downspouts to the garden lawn or driveway.
Here s a few possible causes.
However other things can cause this too such as tremendous rains hail branches strong wind storms and exceptionally intense hot and sunny days.
Especially with older roofs foot traffic can cause shingle wear and granule loss.
You can begin this roof condition assessment at the ground before even looking at the roof itself.
Tree branches rubbing on.
A severe storm a strong thunderstorm is going loosen shingle granules and a hail storm is even worse usually also.
Granule loss is the leading instigator of roof replacements as it s the heaviest and most prevalent symptom of a very aged roof.
Granular loss is easily seen via visual inspection but you may not even have to get on the roof to spot the signs.
Over time normal weathering can cause your granules to become looser and eventually fall off.
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.