Watch this short video to learn exactly why.
Gravel in gutters.
Once the trench is dug cover the bottom 2 inches with a 1 2 inch gravel.
We have a new asphalt roof.
Buy a nozzle attachment for your leaf blower and push out the debris with forced air.
Dig the trench about 8 inches wide and about 18 inches deep for a house with a standard 3 foot crawl space.
This will save time and leave less of a mess than using a hose.
More likelynallmofmthat gutter debris is from a prior roof tear off or wear and damage.
Notice the gutters were not drainging so i check gutters.
Are you getting roof granules or a sludge in the gutter.
For gutters filled with debris leaves moss etc try doing this.
Have the gutters cleaned out and check their slope.
Granules naturally separate from shingles over its life.
On 2015 09 08 by paul.
I found 2 inches of roof granules roofing nails and pieces of roof tiles in gutter.
It seems to be most prevalent early and later in the shingles life.
Use a power hose to blow out the leaves and dirt.
Complete shopping list diy er s do it yourself recommended gutter guard type and accessories.
If you are seeing huge numbers of granules to the point where it looks like there is gravel in your gutters or coming out of your downspouts you roof might be nearing the end of its useful lifespan.