How to stop roof runoff from missing the gutter and hitting the deck
Water streaming off the corner of a gabled roof often misses the gutter entirely and trickles down onto a lower deck or patio. Over time, this runoff causes leakage and water damage around the building corners.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1Using half a tube of tar as a diverter
- 2Sticking an L-shaped metal piece to divert water onto the roof
- 3Get an extender piece, a ladder, and a splash guard and do it for 50 bucks or just leave it.
- 4Leave it be and not mess with anything.
- 5Search for a downspout hinge or gutter hinge on Amazon, Home Depot, or Menards to flip the downspout up during yardwork
- 6Find a 3D printable downspout hinge model on Makerworld
In their words
Unedited, most upvoted first, each linked to the thread it came from.
“I'm debating what to do regarding this downspout (see picture). Currently runoff of water from the 2nd floor roof and 1st floor roof just flows down the shingles into gutters. Over the years it has caused some leakage on the corner.”source ↗
“My detached garage has a gutter downspout that goes right into the grass. Mowing around it is super annoying.”source ↗
“What can I do to redirect that water into the gutter vs trickling off onto my covered cedar deck below?”source ↗