Gutter Downspout Pouring Onto Roof

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.

Gutter downspout pouring onto roof. Generally a contractor that drains a gutter onto a lower roof will say that it is an industry standard whereas a contractor that rants against it will say that it s not best building practice. Mount the gutter so that the edge without the downspout is slightly higher than the end with the sleeve. He doesn t respond because he wants to continue. It depends on who you ask this question.

The shingle grit on a shingle s surface can erode under a gutter outlet or downspout. Metal or vinyl downspouts this versatile downspout has a lifetime guarantee. I have asked him to add extension to the downspout along with burying the downspouts on that side with mine. Compatible with 2 in.

Neighbor acknowledged he s negligent in diverting the water away from my house. I did a warranty inspection on a big house in a development. Also a gutter in a dormer that had no downspout but had the back end towards the roof surface open and the water just flows out the back and onto the lower roof. It s getting serious because the ground is fully saturated.

When gutters and downspouts from an upper roof spill out onto a lower roof damage can occur to fiberglass asphalt shingles. Downspouts emptying on lower roof. There is no building code citation that forbids a gutter from draining onto a lower roof. Excessive water pouring onto the roof will cut the life of your roof in half or maybe more.

It s careless water damage with intent to harm. Use the downspout to redirect runoff and help prevent garden erosion and foundation damage. More product details close. Downspout draining to roof with siding damage obvious.

Erosion might be visible in 1 2 years or less or potentially be less severe all depending on the amount and force of water being discharged onto the shingles. Water flooding from this downspout can easily find its way into the roof and wall structures. So it s a matter of what the home inspector or contractor considers acceptable. For example a 30 year roof is going to be lucky to last 15 years under these conditions.

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. Check out these example photos below of shingle damage caused by downspout run off. Many instances of downspouts from upper dormer gutters emptying directly onto the lower roof.