Gutter Downspout Pouring Onto Roof

Sometimes gutters get installed so that they drain water away from one section onto the roof.

Gutter downspout pouring onto roof.

Your goals are to get water off the roofs and away from the house as fast as possible. Is it alright for a gutter downspout from an upper roof to empty onto a lower roof. Perhaps your home is two or three stories tall or maybe you have a separate roof for your garage or porch. When gutters and downspouts from an upper roof spill out onto a lower roof damage can occur to fiberglass asphalt shingles.

I have also honestly not had a chance to see how the lower gutter systems on the houses with the extended upper downspouts perform when all that water channeled off the upper roof is dumped. But instead of the water being led away from your home altogether the downspout leads the water directly onto another part of the roof. Monday july 22 2019. Gutter talk lets talk roof gutters and downspouts.

So it s a matter of what the home inspector or contractor considers acceptable. Providing separate downspouts to the ground for upper and lower gutters moves water off the roof even faster. To empty onto the roof surface. Whether it s curved and tweaked so water exiting it flows across the roof pretty smoothly or splashes onto it with some force will also make a difference.

Erosion might be visible in 1 2 years or less or potentially be less severe all depending on the amount. Will concentrated water flow push the gutter off the roof. The shingle grit on a shingle s surface can erode under a gutter outlet or downspout.