Why Do Downspout Elbows Keep Clogging?

The gutter looks clean.

But water still backs up.

The problem may be hidden inside the:

Downspout elbow.

An elbow changes the direction of water.

That bend also creates a place where debris can get caught.

What Gets Stuck?

Common material includes:

• Leaves
• Pine needles
• Twigs
• Shingle granules
• Seed pods

One larger piece can lodge in the bend.

Smaller material then collects behind it.

Where Are Elbows Usually Found?

You commonly see them:

• Directly below the gutter outlet
• Around roof overhangs
• Near the bottom of the downspout

Each direction change creates another possible restriction point.

How Can You Tell the Elbow Is Blocked?

Possible clues include:

• Gutter overflow near the outlet
• Very little water leaving the bottom
• Water leaking at downspout joints
• Debris visible inside the opening

Don’t Assume the Gutter Is Too Small

If the same outlet overflows every storm while the rest of the system works, a local blockage may be more likely than a capacity problem.

Clear the drainage path before redesigning the entire system.

Gutter Protection Can Reduce Large Debris

Leaf-guard systems may help reduce how much large organic material enters the gutter.

But every drainage system should still be periodically observed.

A Downspout Only Works if Water Can Make It Around Every Bend.

If one section of your eavestrough repeatedly backs up, Envirotech Exteriors can inspect the outlet, elbows, downspout, and overall drainage path.