Black or green shingle stains from mold mildew or algae can be unsightly.
How stop roof shingle granuales from blocking downspot.
But it should be just a sprinkling not a dense pile like in the photo above of a shingle roof at midlife with a granule loss problem.
The bottom line is that the micro mesh screen gutter guards did an excellent job of keeping shingle granules out of the gutters because the micro screens were smaller than the smallest granules and debris that washes off the roof surface.
This valley shoots rain in a flume during our frequently heavy downpours.
The shingle grit on a shingle s surface can erode under a gutter outlet or downspout.
Roofers walking on the shingles while installing the roof can t avoid dislodging some of the rock granules.
When gutters and downspouts from an upper roof spill out onto a lower roof damage can occur to fiberglass asphalt shingles.
If left too long they can also eat away at the asphalt granules and begin to compromise your roof s integrity.
When rain hits the strips it produces a solution that runs down the roof and keeps algae moss and fungus from growing.
1 debris clogging up the gutter and or downspout flow.
Install a gutter guard over your gutters if desired.
Leaves shingle granules sticks from broken tree limbs even plastic bags all of them frequently find their way into your gutters.
If the streaks don t bother you or you re not ready to invest in a new roof install zinc or copper strips available at roofing centers along the top course of shingles.
Here our roofing experts tell you how to remove roof shingle stains with a cleaner.
Here s a few possible causes.
Erosion might be visible in 1 2 years or less or potentially be less severe all depending on the amount.
Shingle granule loss defects occur on organic mat or fiberglass mat asphalt roof shingles and depending on the cause and extent of mineral granule loss the loosening of this protective coating can spell the end of life of an asphalt shingle roof or the demise of a mineral granule coated roll roofing roof.
Vinyl and aluminium options are available.
Gently lift your roofing and slide the guard underneath the shingles.
In almost every instance gutter installers take the path of least resistance and shove the gutter right underneath the roof shingles instead.
And thankfully it s relatively easy to fix more on this topic below.
The metal roof forms a valley where one roof meets another.
It s the most common reason for overflowing gutters.
Our gutters and downspouts are oversized and covered with professionally installed mesh guards.
Gutters should be hung where a straight edge laying on your roof shingles can easily extend over the front lip of the gutter this is the proper installment location for the high point of the gutter.
But excess granule loss from a newer roof is unusual.
Power wash your roof to remove moss from the gutter and drainpipe.
