The one thing that pretty much everybody agrees on is that at least there should be a downspout to deliver the water to the lower roof and point it in the right direction.
Upper roof downspout.
Use the downspout to redirect runoff and help prevent garden erosion and foundation damage.
There are alot of variables.
It s fairly easy to install.
If the roof is in a place where leaves or pine needles are prone to collecting consider whether to elevate the downspout pipe above the singles so that debris won t collect under or around it collected debris could cause accelerated deterioration of the shingles.
A hole at the bottom of the gutter or an open gutter end will just splash water around in a heavy rain.
By installing a metal tray under the upper downspout that leads to the lower gutter the water will travel to the lower gutter without hitting the roof.
Metal or vinyl downspouts this versatile downspout has a lifetime guarantee.
When all the water from the upper roof gets collected in the gutters and comes down the downspout it has built up a little speed and force.
Installing a tray under your downspout to protect your roof is another option that may be a good compromise to the homeowner who thinks the above is unsightly.
Water flooding from this downspout can easily find its way into the roof and wall structures.
This durable downspout is maintenance free and has uv stabilizers to help prevent uv light degradation.
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That water washes away shingle grit and eventually damages shingles to the point that they will curl up.
Leaving the gutters off altogether is not usually a good option unless the roof is very very small because the rain dripping off the edge will wear on the roof below.
How severe the slope of that upper roof is and how much surface area it has could affect how much force water exits that upper downspout with.
Simply cut your gutter extender at a 45 degree angle and connect it to your downspout with the zip hinge and 8 screws.
Downspout draining to roof with siding damage obvious.
Compatible with 2 in.